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Z flashing is installed behind the rigid foam and metal lathe that goes behind the stucco siding to protect the transition between the wall sheathing and the exterior foundation insulation.

Z flashing is installed behind the rigid foam and metal lathe that goes behind the stucco siding to protect the transition between the wall sheathing and the exterior foundation insulation.

Continuous rigid insulation coupled with thin (1/4-inch) spacer strips that provide drainage behind the wall cladding without increasing the fire risk of the assembly.

Continuous rigid insulation coupled with thin (1/4-inch) spacer strips that provide drainage behind the wall cladding without increasing the fire risk of the assembly.

Publication Date

Mon, 06/28/2021 - 12:00

Right – The floor and wall system on this open-foundation home use rigid foam rather than fibrous cavity insulation to reduce risk of water damage.

Publication Date

Wed, 09/01/2021 - 12:00

Retrofit of cantilevered wall showing details at the outside corner for installing air sealing and rigid foam insulation in the wall and closed-cell spray foam in the overhanging floor

Retrofit of cantilevered wall showing details at the outside corner for installing air sealing and rigid foam insulation in the wall and closed-cell spray foam in the overhanging floor

Right – The HVAC unit installed in the insulated attic uses a heat pump to provide heating and cooling while also providing dehumidification and fresh air ventilation.

Right – The HVAC unit installed in the insulated attic uses a heat pump to provide heating and cooling while also providing dehumidification and fresh air ventilation.

Publication Date

Thu, 09/30/2021 - 12:00

FEMA recommends techniques like open lower wall cavities with exterior rigid foam insulation and paperless drywall for flood-resistant, dryable wall interiors.

FEMA recommends techniques like open lower wall cavities with exterior rigid foam insulation and paperless drywall for flood-resistant, dryable wall interiors.

Publication Date

Thu, 09/01/2011 - 12:00

Side view showing air-sealing and rigid foam insulation is installed over existing wall and ceiling under a room above, then covered with new gypsum board.

Side view showing air-sealing and rigid foam insulation is installed over existing wall and ceiling under a room above, then covered with new gypsum board.

Publication Date

Mon, 07/01/2013 - 12:00

Wrong - Tub or shower floor is not insulated and air-sealed with a solid barrier material between the floor joists and the tub. Plumbing pipes shouldn't be located in a cantilever.

Wrong - Tub or shower floor is not insulated and air-sealed with a solid barrier material between the floor joists and the tub. Plumbing pipes shouldn't be located in a cantilever.

Publication Date

Wed, 07/07/2021 - 12:00

Seal the drywall to top-plate seams and the lower edge of baffles to the top plate to prevent the air coming from soffit vents from flowing under baffles into insulation.

Seal the drywall to top-plate seams and the lower edge of baffles to the top plate to prevent the air coming from soffit vents from flowing under baffles into insulation.

Publication Date

Mon, 02/01/2010 - 12:00

HVAC ducts can be encapsulated in 3 inches of closed-cell spray foam, then buried in R-49 of blown fiberglass insulation after the ceiling drywall is installed in the vented attic.

HVAC ducts can be encapsulated in 3 inches of closed-cell spray foam, then buried in R-49 of blown fiberglass insulation after the ceiling drywall is installed in the vented attic.

The floor slab is completely insulated with ICF foundation walls and R-20 (3 inches) of closed-cell foam that is sprayed directly onto the ground before pouring the slab.

The basement slab is wrapped in a blanket of insulation including R-27 of closed-cell spray foam under the slab and R-22 ICF blocks wrapping the slab edges.

The basement slab is wrapped in a blanket of insulation including R-27 of closed-cell spray foam under the slab and R-22 ICF blocks wrapping the slab edges.

Wrong - Craft faced batt insulation is not cut to fit around wiring and eletrical boxes and is squished into corners forming voids which could encourage cold spots in wall.

Publication Date

Fri, 01/17/2014 - 12:00

ICF foundation walls wrap the floor slab in R-22 of insulation while the entire space under the slab is covered with 4.3 inches of closed-cell spray foam.

ICF foundation walls wrap the floor slab in R-22 of insulation while the entire space under the slab is covered with 4.3 inches of closed-cell spray foam.

This vaulted ceiling has 7 inches of closed-cell spray foam plus an R-22 unfaced mineral wool batt for a total attic insulation value of R-68.

This vaulted ceiling has 7 inches of closed-cell spray foam plus an R-22 unfaced mineral wool batt for a total attic insulation value of R-68.

Wrong – Don’t use nails to fasten poly vapor barrier around flex ducts; it will allow moist air to reach the ducts where it could condense and ruin the insulation.

Wrong – Don’t use nails to fasten poly vapor barrier around flex ducts; it will allow moist air to reach the ducts where it could condense and ruin the insulation.

Publication Date

Tue, 04/13/2021 - 12:00

Installing ladder blocking at interior-exterior wall intersections rather than three solid studs in the exterior wall as the supporting surface allows room for insulation in the exterior wall.

Right – Two inches of rigid foam was installed on the ground before pouring the basement floor slab while precast, pre-insulated concrete panels comprise the basement walls.

Right – Two inches of rigid foam was installed on the ground before pouring the basement floor slab while precast, pre-insulated concrete panels comprise the basement walls.

Publication Date

Thu, 09/30/2021 - 12:00

Right- This concrete block home in the hot-humid climate is insulated on the interior with rigid EPS foam; all framing uses mold- and termite-resistant borate-treated lumber.

Right- This concrete block home in the hot-humid climate is insulated on the interior with rigid EPS foam; all framing uses mold- and termite-resistant borate-treated lumber.

Publication Date

Thu, 09/30/2021 - 12:00

Right - New flashing has been installed to complete the air and water control layers at the window openings of this wall retrofit that includes insulating the wall cavities with spray foam

Right - New flashing has been installed to complete the air and water control layers at the window openings of this wall retrofit that includes insulating the wall cavities with spray foam

2021 IECC Climate Zones 7 and 8: Vented Attic, 2x4 Wall, Interior Insulated Basement

7

Right - This unvented crawlspace is insulated along interior walls with rigid foam and air-sealed by covering the floor with vapor retarder that is sealed to the rigid foam which is taped at the seams.

Publication Date

Sat, 01/01/2011 - 12:00

The mechanical curb for a skylight is integrated with the water management and air control layers on a flat roof retrofitted to include new above-deck rigid foam insulation

The mechanical curb for a skylight is integrated with the water management and air control layers on a flat roof retrofitted to include new above-deck rigid foam insulation

Publication Date

Fri, 05/01/2015 - 12:00

Right – A gap separates the two wall layers in this double-stud wall assembly allowing room for insulation to stop thermal bridging between the inner and outer wall

Right – A gap separates the two wall layers in this double-stud wall assembly allowing room for insulation to stop thermal bridging between the inner and outer wall

Window attachments like insulated blinds, solar screens, and low-e storm windows provide many benefits including heating and cooling savings at a low first cost

Window attachments like insulated blinds, solar screens, and low-e storm windows provide many benefits including heating and cooling savings at a low first cost

Publication Date

Mon, 01/01/2024 - 12:00

Window coverings like insulated blinds, cellular shades, sun-blocking roller shades, and low-e storm windows can provide heating and cooling energy savings

Window coverings like insulated blinds, cellular shades, sun-blocking roller shades, and low-e storm windows can provide heating and cooling energy savings

Publication Date

Mon, 01/01/2024 - 12:00

Above the 20 inches of blown cellulose ultra-efficient attic insulation, Near Zero Maine installed a walkway in the attic to provide easy access to electric wiring.

Above the 20 inches of blown cellulose ultra-efficient attic insulation, Near Zero Maine installed a walkway in the attic to provide easy access to electric wiring.

Publication Date

Wed, 01/01/2014 - 12:00

Ultra-efficient, R-9, triple-pane windows have insulated wood frames, argon gas between the panes, and low-emissivity coatings to slow heat transfer.

Ultra-efficient, R-9, triple-pane windows have insulated wood frames, argon gas between the panes, and low-emissivity coatings to slow heat transfer.

In warm-humid climates, do not install Class 1 vapor retarders on the interior side of air-permeable insulation in above-grade walls, except at shower and tub walls.

Retrofit of cantilevered wall with beam showing details at the outside corner for installing air sealing and rigid foam insulation plus water control membrane in the wall and overhanging floor

Retrofit of cantilevered wall with beam showing details at the outside corner for installing air sealing and rigid foam insulation plus water control membrane in the wall and overhanging floor

Publication Date

Mon, 07/01/2013 - 12:00

Side view showing how the existing garage wall and ceiling are air-sealed prior to installing rigid foam insulation on the garage side of the shared wall of an existing home.

Side view showing how the existing garage wall and ceiling are air-sealed prior to installing rigid foam insulation on the garage side of the shared wall of an existing home.

Publication Date

Mon, 07/01/2013 - 12:00

The 2x4 wall studs are staggered along the 2x6 sill plate providing space to weave insulation around each stud to stop thermal bridging through the wall.

The 2x4 wall studs are staggered along the 2x6 sill plate providing space to weave insulation around each stud to stop thermal bridging through the wall.

With balconies in multifamily buildings, it is important to establish correct structural attachment while also providing insulation in a way that minimizes thermal bridging where the balcony attaches to the building

With balconies in multifamily buildings, it is important to establish correct structural attachment while also providing insulation in a way that minimizes thermal bridging where the balcony attaches to the building

Publication Date

Sat, 06/01/2024 - 12:00

This drawing shows key head details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

This drawing shows key head details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key jamb details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

This drawing shows key jamb details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key sill details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

This drawing shows key sill details for a window installation using a fluid-applied flashing on a wall with a mechanically attached water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

Install a sealed enclosure over a non-IC rated recessed light fixture to air-seal the can and to prevent insulation from touching the recessed can light.

Install a sealed enclosure over a non-IC rated recessed light fixture to air-seal the can and to prevent insulation from touching the recessed can light.

Cold Climate Foundation Retrofit Energy Savings: The Simulated Energy and Experimental Hygrothermal Performance of Cold Climate Foundation Wall Insulation Retrofit Measures - Phase I, Energy Simulation

Author(s)

Goldberg Louise F,

Steigauf Brianna

Organization(s)

NothernSTAR,

University of Minnesota,

UMN,

U.S. Department of Energy,

DOE

Publication Date

April, 2013

Research study describing an experimental and theoretical investigation of the energy and hygrothermal performance of retrofit foundation insulation systems in climate zones 6 and 7.

Between the ICF foundation walls, the builder sprayed closed-cell spray foam directly onto the gravel base to provide a vapor barrier and continuous layer of insulation under the slab.

Publication Date

Thu, 01/01/2015 - 12:00

Underneath the roof sheathing and two exterior layers of rigid foam, the builder stapled netting to the underside of the rafters and filled the roof cavities of the unvented attic with blown-in fiberglass insulation.

Underneath the roof sheathing and two exterior layers of rigid foam, the builder stapled netting to the underside of the rafters and filled the roof cavities of the unvented attic with blown-in fiberglass insulation.

Right - XPS foam insulation is attached to the existing exterior wall with wood furring strips that serve as a nail base for the siding and are installed vertically to allow for drainage and drying behind the siding

Right - XPS foam insulation is attached to the existing exterior wall with wood furring strips that serve as a nail base for the siding and are installed vertically to allow for drainage and drying behind the siding

Extruded polystyrene (XPS) rigid foam is taped at the seams to provides a continuous air and weather-resistant barrier so no house wrap is needed; it also provides a continuous layer of insulation.

Extruded polystyrene (XPS) rigid foam is taped at the seams to provides a continuous air and weather-resistant barrier so no house wrap is needed; it also provides a continuous layer of insulation.

The unvented attic is insulated along the underside of the roof deck with 7 inches (R-49) of closed-cell spray foam, providing vaulted ceilings and a conditioned knee wall space for ducting.

The unvented attic is insulated along the underside of the roof deck with 7 inches (R-49) of closed-cell spray foam, providing vaulted ceilings and a conditioned knee wall space for ducting.

Right – This National Fenestration Rating Council (NFRC) label shows the insulation U-Factor, solar heat gain coefficient, visible transmittance, and condensation resistance for this triple-pane window.

Right – This National Fenestration Rating Council (NFRC) label shows the insulation U-Factor, solar heat gain coefficient, visible transmittance, and condensation resistance for this triple-pane window.

Publication Date

Thu, 09/30/2021 - 12:00

Roofing paper protects the top of the new plywood parapet while the base of the parapet is air sealed with spray foam and fibrous insulation is installed in the rafter cavities in this flat roof retrofit

Roofing paper protects the top of the new plywood parapet while the base of the parapet is air sealed with spray foam and fibrous insulation is installed in the rafter cavities in this flat roof retrofit

Concrete is poured into the rigid foam shell of the insulated concrete form (ICF) walls; a plastic water barrier has already been installed to protect the below-grade wall surfaces.

Concrete is poured into the rigid foam shell of the insulated concrete form (ICF) walls; a plastic water barrier has already been installed to protect the below-grade wall surfaces.

Infrared thermography during depressurization testing reveals air leakage at corner of spray foam-insulated room where wood-to-wood seams in framing were not air sealed

Water-proof materials cover the exterior side of crawlspace windows in a crawlspace retrofit, while foil-faced rigid foams seals and insulates the inside face of the openings

Water-proof materials cover the exterior side of crawlspace windows in a crawlspace retrofit, while foil-faced rigid foams seals and insulates the inside face of the openings

Publication Date

Mon, 09/01/2014 - 12:00

Standard Practice for the Installation of Mounting Flange Windows into Walls Utilizing Foam Plastic Insulating Sheathing (FPIS) with a Separate Water-Resistive Barrier (WRB), FMA/AAMA/WDMA 500-16

Author(s)

Fenestration Manufacturers Association,

American Architectural Manufacturers Association,

Window & Door Manufacturers Association

Organization(s)

FMA,

AAMA,

WDMA

Publication Date

April, 2016

Guide describing the installation of windows in walls that have foam plastic insulating; guide provides several methods for attaching, supporting, and flashing windows in walls with rigid foam sheathing. (Note: The link only goes to the table of contents for the guide, the full guide can be...

Even with R-30 of insulation in the wall, its overall R-value is R-5 if it has single-pane windows; triple-pane windows bring that up to R-16

Publication Date

Mon, 01/01/2024 - 12:00

Triple-Pane windows can be used as a tradeoff for continuous wall insulation or stricter air sealing targets when showing compliance with the 2021 IECC using the UA path

Publication Date

Mon, 01/01/2024 - 12:00

Rigid insulation and air-sealing can be used to thermally isolate garages from multifamily row houses/town houses with basement foundations in IECC Climate Zones 3 or higher.

Rigid insulation and air-sealing can be used to thermally isolate garages from multifamily row houses/town houses with basement foundations in IECC Climate Zones 3 or higher.

Publication Date

Sat, 09/14/2024 - 12:00

Furring strips provide a mounting surface for siding over the smart house wrap membrane which serves as a drainage plane over cork insulation installed on the exterior of this home.

Furring strips provide a mounting surface for siding over the smart house wrap membrane which serves as a drainage plane over cork insulation installed on the exterior of this home.

Publication Date

Wed, 12/29/2021 - 12:00

Pipe insulation helps retain heat in the pipes which provide hot water from the air-to-water heat pump for domestic hot water and space heating.

This drawing shows key head details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

This drawing shows key head details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key sill details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

This drawing shows key sill details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

This drawing shows key jamb details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

This drawing shows key jamb details for an “outie” window installation using a fluid-applied flashing on a wall with a fluid-applied water and air control layer and continuous insulation

Publication Date

Mon, 07/15/2024 - 12:00

Right – Closed-cell spray foam insulation in the shared wall between the garage and living space helps to air-seal the wall and protect occupants from garage pollutants.

Right – Closed-cell spray foam insulation in the shared wall between the garage and living space helps to air-seal the wall and protect occupants from garage pollutants.

This wall assembly for above-grade garage walls uses cavity insulation and should only be used in IECC Climate Zones 4 or lower due to the risk of condensation on the interior surface of the concrete wall.

This wall assembly for above-grade garage walls uses cavity insulation and should only be used in IECC Climate Zones 4 or lower due to the risk of condensation on the interior surface of the concrete wall.

Publication Date

Tue, 09/17/2024 - 12:00

Side and plan views of window-to-wall interface in masonry wall retrofit including three layers of rigid foam exterior insulation, box extensions, and flashing around new windows.

Side and plan views of window-to-wall interface in masonry wall retrofit including three layers of rigid foam exterior insulation, box extensions, and flashing around new windows.

Publication Date

Fri, 08/13/2021 - 12:00

Masonry wall interior retrofit with parge coat, fluid-applied water control layer, wood-framed wall with cavity insulation, smart vapor barrier, and wood or metal service cavity

Masonry wall interior retrofit with parge coat, fluid-applied water control layer, wood-framed wall with cavity insulation, smart vapor barrier, and wood or metal service cavity

Publication Date

Fri, 08/13/2021 - 12:00

The foundation walls are ICF block providing two continuous layers (R-23) of insulation around the slab, which will sit on an additional 4 inches (R-20) of low-VOC EPS foam.

The foundation walls are ICF block providing two continuous layers (R-23) of insulation around the slab, which will sit on an additional 4 inches (R-20) of low-VOC EPS foam.

To attach the flex duct to a main trunk duct or any other connection, the flex duct is pulled over the connecting collar at least 2 inches past the raised bead, then the insulation is pulled back

To attach the flex duct to a main trunk duct or any other connection, the flex duct is pulled over the connecting collar at least 2 inches past the raised bead, then the insulation is pulled back

Ladder blocking where interior and exterior walls intersect uses less wood and provides more room for insulation than stacking studs in the exterior wall to nail the interior wall to.

Ladder blocking where interior and exterior walls intersect uses less wood and provides more room for insulation than stacking studs in the exterior wall to nail the interior wall to.

Advanced framing details include open headers and reduced framing around windows and two-stud corners to allow more room for insulation in the wall cavities while reducing lumber costs.

Advanced framing details include open headers and reduced framing around windows and two-stud corners to allow more room for insulation in the wall cavities while reducing lumber costs.

Publication Date

Thu, 09/01/2011 - 12:00

Right – Structural insulated sheathing can provide racking strength (lateral load resistance), and serve as an air barrier and thermal barrier if installed according to manufacturer’s specifications with taped, sealed seams

Right – Structural insulated sheathing can provide racking strength (lateral load resistance), and serve as an air barrier and thermal barrier if installed according to manufacturer’s specifications with taped, sealed seams

Right - This new sealed attic has 5.5 inches (R-20) of spray foam insulation along the underside of the roof deck providing a conditioned attic space for the heating and cooling ducts.

Right - This new sealed attic has 5.5 inches (R-20) of spray foam insulation along the underside of the roof deck providing a conditioned attic space for the heating and cooling ducts.

Brick veneer framed wall supported by a concrete slab-on-grade foundation with a turn-down footing insulated on its top surface, showing anchorage of the wall to the foundation for seismic resistance

Brick veneer framed wall supported by a concrete slab-on-grade foundation with a turn-down footing insulated on its top surface, showing anchorage of the wall to the foundation for seismic resistance

Publication Date

Tue, 08/24/2021 - 12:00

Multi-layer honeycomb cellular shades such as these can provide summertime energy savings by blocking and reflecting solar heat, as well as wintertime energy savings by providing added insulation.

Publication Date

Thu, 10/01/2015 - 12:00

Retrofit an existing roof by installing rigid foam, new moisture and air control layers, new sheathing, and new cladding plus cavity insulation in the roof rafters to create an unvented attic

Retrofit an existing roof by installing rigid foam, new moisture and air control layers, new sheathing, and new cladding plus cavity insulation in the roof rafters to create an unvented attic

Publication Date

Mon, 07/01/2013 - 12:00

For homes built on an open foundation, provide a continuous air barrier by sealing all joints between the rigid insulation, floor support beams, rim joist, and bottom wall plate

For homes built on an open foundation, provide a continuous air barrier by sealing all joints between the rigid insulation, floor support beams, rim joist, and bottom wall plate

Publication Date

Sat, 01/01/2022 - 12:00

Closed-cell spray foam insulates the floor above an open foundation; a protection board made of fiber cement is screwed in place under the floor joists to keep out pests

Closed-cell spray foam insulates the floor above an open foundation; a protection board made of fiber cement is screwed in place under the floor joists to keep out pests

Publication Date

Sat, 01/01/2022 - 12:00

The floor of the sealed insulated crawlspace is covered with a heavy plastic vapor-barrier sheathing that is taped at all seams and around the foundation piers to prevent water vapor from moving into the crawlspace.

The floor of the sealed insulated crawlspace is covered with a heavy plastic vapor-barrier sheathing that is taped at all seams and around the foundation piers to prevent water vapor from moving into the crawlspace.

Publication Date

Thu, 08/17/2023 - 12:00

Wrong - The basement blanket insulation is loosely attached to the interior of the basement wall, does not cover the entire wall, is not sealed at the edges, and is not installed over rigid foam that covers the entire surface of the foundation walls.

Wrong - The basement blanket insulation is loosely attached to the interior of the basement wall, does not cover the entire wall, is not sealed at the edges, and is not installed over rigid foam that covers the entire surface of the foundation walls.

Publication Date

Fri, 01/01/2021 - 12:00

Right – The walls of this home were constructed with “insulated studs” fashioned on site by adding 2-inch-thick strips of rigid foam to the inside face of 2x4 studs then topping that with a plywood nailing surface. The rigid foam provides a thermal break for each stud and provides more room for blown in insulation.

Right – The walls of this home were constructed with “insulated studs” fashioned on site by adding 2-inch-thick strips of rigid foam to the inside face of 2x4 studs then topping that with a plywood nailing surface.

Publication Date

Thu, 09/30/2021 - 12:00

Right - Foil-faced polyisocyanurate insulating rigid foam sheathing is installed below the floor framing of this house built on piers; however, the seams should be sealed with metal taped and the plumbing elevated and protected.

Right - Foil-faced polyisocyanurate insulating rigid foam sheathing is installed below the floor framing of this house built on piers; however, the seams should be sealed with metal taped and the plumbing elevated and protected.

Publication Date

Fri, 09/18/2009 - 12:00

Wrong: Closed-cell spray foam roof insulation was not thick enough to meet IRC levels so the foam surface is colder than the dew point of the interior air and condensation formed on surface of the foam

Wrong: Closed-cell spray foam roof insulation was not thick enough to meet IRC levels so the foam surface is colder than the dew point of the interior air and condensation formed on surface of the foam

Publication Date

Sun, 12/01/2013 - 12:00

Closed-cell spray foam insulates the floor above a vented crawlspace; a protection board made of fiber cement is screwed in place under the floor joists to keep out pests

Publication Date

Sat, 01/15/2022 - 12:00

Right - This crawlspace, which is insulated on the floor, has a complete vapor barrier over the floor and up the walls that is sealed at all seams and termite inspection gap at the top of the vapor retarder.

Right - This crawlspace, which is insulated on the floor, has a complete vapor barrier over the floor and up the walls that is sealed at all seams and termite inspection gap at the top of the vapor retarder.

Publication Date

Sat, 01/01/2005 - 12:00

Existing low-slope (“flat”) roof and brick masonry walls with a new fully adhered air barrier membrane plus polyisocyanurate rigid foam insulation and a roofing membrane water control layer

Existing low-slope (“flat”) roof and brick masonry walls with a new fully adhered air barrier membrane plus polyisocyanurate rigid foam insulation and a roofing membrane water control layer

Publication Date

Fri, 05/01/2015 - 12:00

Right - Additional potential locations for slab-on-grade insulation include (a) under the slab and outside the perimeter with optional underground moisture block, (b) under the whole foundation, or (c) on top of the slab.

Right - Additional potential locations for slab-on-grade insulation include (a) under the slab and outside the perimeter with optional underground moisture block, (b) under the whole foundation, or (c) on top of the slab.

Publication Date

Tue, 01/01/2013 - 12:00

Joints between SIP panels can be connected with solid lumber splines or SIP panel pieces. SIP panel pieces help to ensure a continuous layer of insulation across the building shell.

Joints between SIP panels can be connected with solid lumber splines or SIP panel pieces. SIP panel pieces help to ensure a continuous layer of insulation across the building shell.

This home’s double-wall structure consists of two 2x4 walls set two inches apart, then sheathed on the exterior and netted on the interior to create a 9.5-inch wall cavity that is filled with blown fiberglass insulation.

This home’s double-wall structure consists of two 2x4 walls set two inches apart, then sheathed on the exterior and netted on the interior to create a 9.5-inch wall cavity that is filled with blown fiberglass insulation.

The builder laid down a 4-inch base of aggregate rock, then covered that with a plastic vapor barrier that is taped at all seams and around all penetrations before installing the rigid foam under-slab insulation.

The builder laid down a 4-inch base of aggregate rock, then covered that with a plastic vapor barrier that is taped at all seams and around all penetrations before installing the rigid foam under-slab insulation.

The main trunk line of the ducts runs within an insulated duct chase installed in a notch designed into the roof trusses that runs the length of the home to provide supply air directly to most of the home’s ceiling registers.

The main trunk line of the ducts runs within an insulated duct chase installed in a notch designed into the roof trusses that runs the length of the home to provide supply air directly to most of the home’s ceiling registers.

A dormer with an openable window (not shown) can provide access to the roof if flood waters rise too high and too quickly; the dormer should be properly insulated, flashed, and air sealed

A dormer with an openable window (not shown) can provide access to the roof if flood waters rise too high and too quickly; the dormer should be properly insulated, flashed, and air sealed

Right – Workers lay radiant floor loops over the concrete reinforcement which is laid over a heavy vapor barrier installed over the sub-slab insulation before the slab is poured.

Right – Workers lay radiant floor loops over the concrete reinforcement which is laid over a heavy vapor barrier installed over the sub-slab insulation before the slab is poured.

Publication Date

Thu, 09/30/2021 - 12:00

This roof is hurricane proofed with a coated insulated OSB deck sheathing that is caulked and taped at all seams with a water-resistant tape, then fully covered with a peel-and-stick membrane, and asphalt shingles.

This roof is hurricane proofed with a coated insulated OSB deck sheathing that is caulked and taped at all seams with a water-resistant tape, then fully covered with a peel-and-stick membrane, and asphalt shingles.

Clifton View Homes employs a SIP precision construction system consisting of structural insulated panels that come to the site precut for quick assembly, providing a continuous thermal blanket around the home.

Clifton View Homes employs a SIP precision construction system consisting of structural insulated panels that come to the site precut for quick assembly, providing a continuous thermal blanket around the home.

When rigid foam insulation is applied to the exterior side of the wall cavity under the cladding, with seams taped and an air gap provided, it acts as a vapor barrier, air barrier, and rain screen.

When rigid foam insulation is applied to the exterior side of the wall cavity under the cladding, with seams taped and an air gap provided, it acts as a vapor barrier, air barrier, and rain screen.

Publication Date

Thu, 09/01/2011 - 12:00

Right – Foil-faced insulation was added after the crawlspace was dried and sealed by diverting water runoff, sealing off crawlspace windows and vents, and adding sump pumps and exhaust fan ventilation

Right – Foil-faced insulation was added after the crawlspace was dried and sealed by diverting water runoff, sealing off crawlspace windows and vents, and adding sump pumps and exhaust fan ventilation

Publication Date

Mon, 09/01/2014 - 12:00

Insulating the exterior and garage-side faces of the garage plaza deck can reduce thermal bridging. If the garage is heated or partially heated, the spray foam on the garage side of the plaza deck should extend to perimeter of garage.

Insulating the exterior and garage-side faces of the garage plaza deck can reduce thermal bridging. If the garage is heated or partially heated, the spray foam on the garage side of the plaza deck should extend to perimeter of garage.

Publication Date

Tue, 09/17/2024 - 12:00

Assembly can be used in IECC CZ 3 and above to thermally isolate garages in multifamily row houses with slab foundations. For unheated garages, it is unnecessary to insulate wall between garage and exterior of slab or slab underneath garage.

Publication Date

Sat, 09/14/2024 - 12:00

Existing flat roof and wood-framed walls are retrofitted with a new fully adhered air barrier membrane plus polyisocyanurate rigid foam insulation and a roofing membrane water control layer

Existing flat roof and wood-framed walls are retrofitted with a new fully adhered air barrier membrane plus polyisocyanurate rigid foam insulation and a roofing membrane water control layer

Publication Date

Fri, 05/01/2015 - 12:00

This Kalamazoo Habitat for Humanity affiliate installs one layer of foam exterior of the studs and a second layer in between the staggered studs which are set only 2 inches apart to simplify the installation of additional fiberglass batt insulation.

This Kalamazoo Habitat for Humanity affiliate installs one layer of foam exterior of the studs and a second layer in between the staggered studs which are set only 2 inches apart to simplify the installation of additional fiberglass batt insulation.

The energy-saving double wall construction uses two side-by-side stud walls, providing an extra-thick wall cavity that can be filled with more than twice as much insulation as a 2x6 wall.

The energy-saving double wall construction uses two side-by-side stud walls, providing an extra-thick wall cavity that can be filled with more than twice as much insulation as a 2x6 wall.

Masonry wall interior retrofit with parge coat, fluid-applied water control layer, rigid mineral wool, wood-framed wall with cavity insulation, smart vapor barrier, and wood or metal service cavity

Masonry wall interior retrofit with parge coat, fluid-applied water control layer, rigid mineral wool, wood-framed wall with cavity insulation, smart vapor barrier, and wood or metal service cavity

Publication Date

Fri, 08/13/2021 - 12:00

Pier foundations, hurricane strapping, borate- and pressure-treated lumber, and high-density spray foam insulation help protect this New Orleans home from costal flooding and storms (Source: Green Coast Enterprises).

Pier foundations, hurricane strapping, borate- and pressure-treated lumber, and high-density spray foam insulation help protect this New Orleans home from costal flooding and storms (Source: Green Coast Enterprises).

Publication Date

Thu, 09/01/2011 - 12:00

A dimpled plastic water barrier protects the insulated concrete form basement walls and carries any ground water down the walls to the footing drain to minimize the opportunity for water intrusion and frost heave.

A dimpled plastic water barrier protects the insulated concrete form basement walls and carries any ground water down the walls to the footing drain to minimize the opportunity for water intrusion and frost heave.

Publication Date

Mon, 01/01/2018 - 12:00

This basement is insulated on the exterior with rigid foam over dampproofing, with granular backfill and footing drains to facilitate drainage away from the foundation, a termite shield to protect from pests, and cellular PVC to protect the rigid foam.

This basement is insulated on the exterior with rigid foam over dampproofing, with granular backfill and footing drains to facilitate drainage away from the foundation, a termite shield to protect from pests, and cellular PVC to protect the rigid foam.

Publication Date

Mon, 03/01/2021 - 12:00