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Cladding Attachment Solutions for Exterior Insulated Commercial Walls, RDH Technical Bulletin No. 011

Author(s)

Finch Graham,

Higgins James

Organization(s)

RDH

Publication Date

December, 2015

Article describing correct ways to attach rigid insulation to the exterior of commercial and residential buildings.

Measure Guideline: Wall Air Sealing and Insulation Methods in Existing Homes - An Overview of Opportunity and Process

Author(s)

Stephenson R,

Roberts David

Organization(s)

NAHB Research Center Industry Partnership,

National Renewable Energy Laboratory,

NREL,

U.S. Department of Energy,

DOE

Publication Date

September, 2012

Document providing renovators and retrofit contractors an overview of considerations when including wall air sealing and insulation in an energy retrofit project.

Air barrier at garage band joist - 1 inch rigid insulation with 1x3 wood furring

Air barrier at garage band joist - 1 inch rigid insulation with 2x2 wood furring

Air barrier at garage band joist - 1 1/2 inch rigid insulation with 2x4 sleepers

Headers over windows on non-load-bearing walls are open to allow room for insulation.

Headers over windows on non-load-bearing walls are open to allow room for insulation.

Right - Ladder blocking allows insulation to be installed in exterior walls at interior-exterior wall intersections.

Right - Ladder blocking allows insulation to be installed in exterior walls at interior-exterior wall intersections.

Publication Date

Fri, 12/31/2021 - 12:00

Unfaced batt and blown fiberglass wall insulation are installed to RESENET Grade 1 standards with no gaps or voids.

Unfaced batt and blown fiberglass wall insulation are installed to RESENET Grade 1 standards with no gaps or voids.

Right - Walls and ceilings shared by the garage and living space must be air sealed and insulated.

Right - Walls and ceilings shared by the garage and living space must be air sealed and insulated.

Wrong - Rigid insulation blocking is installed but not air-sealed with spray foam around edges.

Wrong - Rigid insulation blocking is installed but not air-sealed with spray foam around edges.

2021 IECC Climate Zone 4C: Vented Attic, 2x4 Wall, Interior Insulated Basement

Publication Date

Sat, 01/13/2024 - 12:00

2021 IECC Climate Zone 5A: Vented Attic, 2x4 Wall, Interior Insulated Basement

Publication Date

Mon, 01/15/2024 - 12:00

2021 IECC Climate Zone 5B: Vented Attic, 2x4 Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5C: Vented Attic, 2x4 Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 6A: Vented Attic, 2x4 Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 6B: Vented Attic, 2x4 Wall, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

2021 IECC Climate Zone 4C: Vented Attic, Strapped 2x6, Interior Insulated Basement

Publication Date

Mon, 01/15/2024 - 12:00

2021 IECC Climate Zone 5B: Vented Attic, Strapped 2x6, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5A: Vented Attic, Strapped 2x6, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5C: Vented Attic, Strapped 2x6, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 6A: Vented Attic, Strapped 2x6, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

2021 IECC Climate Zones 7 and 8: Vented Attic, Strapped 2x6, Interior Insulated Basement

Publication Date

Thu, 01/25/2024 - 12:00

2021 IECC Climate Zone 6B: Vented Attic, Strapped 2x6, Interior Insulated Basement

Publication Date

Thu, 01/25/2024 - 12:00

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

Publication Date

Wed, 01/17/2024 - 12:00

The missing top plate in a kneewall was covered with lumber and rigid foam insulation and then sealed with spray foam

The missing top plate in a kneewall was covered with lumber and rigid foam insulation and then sealed with spray foam

2021 IECC Climate Zone 5: Vented Attic, 2x4 Wall, Interior Insulated Basement

2021 IECC Climate Zone 5: Vented Attic, 2x4 Wall, Interior Insulated Basement

Publication Date

Thu, 10/19/2023 - 12:00

Advanced framing details include framing aligned to allow for insulation at interior-exterior wall intersections.

Advanced framing details include framing aligned to allow for insulation at interior-exterior wall intersections.

Publication Date

Fri, 10/28/2011 - 12:00

Frame, insulate, and air seal the walls of the skylight shaft as you would an exterior wall

Frame, insulate, and air seal the walls of the skylight shaft as you would an exterior wall

Publication Date

Sat, 01/01/2005 - 12:00

Right - This concrete basement wall has exterior rigid insulation and comprehensive moisture management details.

Right - This concrete basement wall has exterior rigid insulation and comprehensive moisture management details.

Publication Date

Tue, 09/01/2020 - 12:00

Rigid foam insulation is installed on the garage side of the shared garage wall and roof of an existing home

Rigid foam insulation is installed on the garage side of the shared garage wall and roof of an existing home

Publication Date

Mon, 07/01/2013 - 12:00

Technology Solutions Case Study: Retrofit Measures for Embedded Wood Members in Insulated Mass Masonry Walls

Author(s)

Building Science Corporation

Organization(s)

BSC

Publication Date

October, 2015

Case study describing retrofit measures for embedded wood members in insulated mass masonry walls.

Right – Raised heel trusses allow for full-height insulation over exterior wall top plates.

Right – Raised heel trusses allow for full-height insulation over exterior wall top plates.

Publication Date

Fri, 12/31/2021 - 12:00

Concrete is being poured into the wall forms made by the rigid foam insulated concrete form blocks.

Concrete is being poured into the wall forms made by the rigid foam insulated concrete form blocks.

This home’s 2x6 advanced framed walls are insulated and air sealed with 3 inches of closed-cell spray foam.

This home’s 2x6 advanced framed walls are insulated and air sealed with 3 inches of closed-cell spray foam.

Sheets of phase-change material are installed over the cellulose insulation to help even out interior temperatures.

The wall behind the fireplace is an exterior wall and requires a thermal barrier that is continuous with the rest of the wall’s insulation

The wall behind the fireplace is an exterior wall and requires a thermal barrier that is continuous with the rest of the wall’s insulation

Right - Closed-cell spray foam insulation fills the wall cavities of the exterior walls in this home retrofit

Right - Closed-cell spray foam insulation fills the wall cavities of the exterior walls in this home retrofit

The wall’s concrete blocks are filled with foam and covered with an interior continuous thermal blanket of rigid foam insulation.

The wall’s concrete blocks are filled with foam and covered with an interior continuous thermal blanket of rigid foam insulation.

Right – All insulated sheathing boards are installed according to the manufacturer’s recommended fastening schedule and taping specifications

Right – All insulated sheathing boards are installed according to the manufacturer’s recommended fastening schedule and taping specifications

2021 IECC Climate Zone 6: Vented Cathedral ceiling, 2x6 Wall, interior Insulated Basement

2021 IECC Climate Zone 6: Vented Cathedral ceiling, 2x6 Wall, interior Insulated Basement

Publication Date

Thu, 10/19/2023 - 12:00

2021 IECC Climate Zone 5: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

2021 IECC Climate Zone 5: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

Publication Date

Thu, 10/19/2023 - 12:00

2021 IECC Climate Zone 4C: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

Publication Date

Sat, 01/13/2024 - 12:00

2021 IECC Climate Zone 4C: Vented Attic, Exterior Double Wall, Interior Insulated Basement

Publication Date

Mon, 01/15/2024 - 12:00

2021 IECC Climate Zone 5A: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5A: Vented Attic, Exterior Double Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5B: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5B: Vented Attic, Exterior Double Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5C: Vented Attic, Exterior Double Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 6A: Vented Attic, Exterior Double Wall, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

2021 IECC Climate Zone 6B: Vented Attic, Exterior Double Wall, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

2021 IECC Climate Zones 7 and 8: Vented Attic, Exterior Double Wall, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

2021 IECC Climate Zone 4C: Vented Attic, Interior Double Wall, Interior Insulated Basement

Publication Date

Mon, 01/15/2024 - 12:00

2021 IECC Climate Zone 5A: Vented Attic, Interior Double Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5B: Vented Attic, Interior Double Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 5C: Vented Attic, Interior Double Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 6B: Vented Attic, Interior Double Wall, Interior Insulated Basement

Publication Date

Thu, 01/25/2024 - 12:00

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

Publication Date

Thu, 01/25/2024 - 12:00

2021 IECC Climate Zone 5C: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

Publication Date

Tue, 01/16/2024 - 12:00

2021 IECC Climate Zone 6A: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

2021 IECC Climate Zone 6A: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

2021 IECC Climate Zones 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

2021 IECC Climate Zone 6B: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

Wrong - Wall cavities behind shower are not completely filled with insulation and are lacking the solid interior air barrier.

Wrong - Wall cavities behind shower are not completely filled with insulation and are lacking the solid interior air barrier.

Publication Date

Sat, 04/10/2021 - 12:00

Siding has been removed so cellulose insulation can be dense-packed into the exterior walls of this home

Siding has been removed so cellulose insulation can be dense-packed into the exterior walls of this home

Ice dams formed by melting of snow on roofs can affect roofs, walls, ceilings, siding, and insulation.

Ice dams formed by melting of snow on roofs can affect roofs, walls, ceilings, siding, and insulation.

Publication Date

Mon, 02/04/2013 - 12:00

Right – Full length 2x6 nailer has been installed to allow space for insulation at wall intersection

Right – Full length 2x6 nailer has been installed to allow space for insulation at wall intersection

Publication Date

Fri, 10/28/2011 - 12:00

Example of the advanced framing technique, double-stud wall cavity, which will later be filled with blown insulation

Example of the advanced framing technique, double-stud wall cavity, which will later be filled with blown insulation

Publication Date

Thu, 01/01/2015 - 12:00

Advanced framing details throughout house limit use of lumber and makes space for bonus insulation.

Advanced framing details throughout house limit use of lumber and makes space for bonus insulation.

Publication Date

Thu, 02/16/2012 - 12:00

Right – Rigid air barrier installed between double-wall assembly. Inside cavity will be insulated

Right – Rigid air barrier installed between double-wall assembly. Inside cavity will be insulated

Publication Date

Fri, 10/28/2011 - 12:00

ICFs provide continuous wall insulation from the roof to the footing with very little thermal bridging

ICFs provide continuous wall insulation from the roof to the footing with very little thermal bridging

Publication Date

Thu, 01/01/2009 - 12:00

Clean taping areas and install 3" tape on vertical joint of upper insulation overlapping the horizontal joint

Clean taping areas and install 3" tape on vertical joint of upper insulation overlapping the horizontal joint

Publication Date

Mon, 09/01/2014 - 12:00

Standard Specification for Flat Wall Insulating Concrete Form (ICF) Systems, ASTM E2634-18(2022)

Author(s)

ASTM International

Organization(s)

ASTM

Publication Date

October, 2022

A specification covering the application of Insulating Concrete Forms (ICFs) that act as permanent formwork for cast-in-place reinforced concrete beams & walls which was published in the year 2022 and is available for preview and purchase at the reference link.

Right – Spray foam completely fills the wall cavities, providing a thorough layer of insulation behind electrical boxes.

Right – Spray foam completely fills the wall cavities, providing a thorough layer of insulation behind electrical boxes.

Publication Date

Mon, 09/30/2019 - 12:00

Extension boxes of plywood built around the windows on this wall retrofit will be flush with the outer layer of exterior rigid insulation

Extension boxes of plywood built around the windows on this wall retrofit will be flush with the outer layer of exterior rigid insulation

Publication Date

Fri, 08/13/2021 - 12:00

In two-story homes, the air barrier separating the wall insulation from the porch attic is sometimes missing

In two-story homes, the air barrier separating the wall insulation from the porch attic is sometimes missing

The home’s first-floor walls are constructed of insulated precast concrete panels that are set in place on a gravel bed.

The home’s first-floor walls are constructed of insulated precast concrete panels that are set in place on a gravel bed.

2021 IECC Climate Zone 4C: Vented Attic, 2x4 Wall, Interior Insulated Basement (with notes)

2021 IECC Climate Zone 4C: Vented Attic, 2x4 Wall, Interior Insulated Basement (with notes)

Publication Date

Thu, 10/19/2023 - 12:00

2021 IECC Climate Zone 6A:Vented Attic, Interior Double Wall, Interior Insulated Basement

Publication Date

Wed, 01/17/2024 - 12:00

Right-Wall-insulating sheathing is extended up to roof rafters and sealed around the framing with spray foam

Right-Wall-insulating sheathing is extended up to roof rafters and sealed around the framing with spray foam

Wrong – If the insulated sheathing will serve as an air barrier and drainage plane, any cuts and seams must be taped or sealed.

Wrong – If the insulated sheathing will serve as an air barrier and drainage plane, any cuts and seams must be taped or sealed.

Special molded corners provide continuous insulation layer at the corners to improve structural strength and minimize thermal bridging

Special molded corners provide continuous insulation layer at the corners to improve structural strength and minimize thermal bridging

Publication Date

Sun, 01/01/2012 - 12:00

Building America Existing Home Case Study: Insulated Siding Retrofit in a Cold Climate, New Paltz, New York

Author(s)

Florida Solar Energy Center

Organization(s)

BA-PIRC,

FSEC

Publication Date

April, 2015

Case study describing the application of insulated siding on an existing home.

2021 IECC Climate Zone 5: Vented Attic, 2x4 Wall, Interior Insulated Basement (with notes)

2021 IECC Climate Zone 5: Vented Attic, 2x4 Wall, Interior Insulated Basement (with notes)

Publication Date

Thu, 10/26/2023 - 12:00

Rigid foam insulation applied to the crawlspace walls, allowing a 3-in. pest control inspection strip at the top

Publication Date

Tue, 01/01/2013 - 12:00

Tape the joint between the top insulation sheet and the Z-flashing with 2" wide tape to improve air tightness

Tape the joint between the top insulation sheet and the Z-flashing with 2" wide tape to improve air tightness

Publication Date

Mon, 09/01/2014 - 12:00

Wrong – Insulation does not fill entire cavity nor is there an air barrier present between the double wall

Wrong – Insulation does not fill entire cavity nor is there an air barrier present between the double wall

Publication Date

Fri, 10/28/2011 - 12:00

Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

Publication Date

Tue, 12/01/2009 - 12:00

Right – The flashing is properly installed to create a complete drainage system with continuous rigid insulation sheathing/siding

Right – The flashing is properly installed to create a complete drainage system with continuous rigid insulation sheathing/siding

Publication Date

Tue, 02/01/2011 - 12:00

Rigid foam insulated sheathing placed exterior to house wrap, interior to house wrap, or take the place of the house wrap

Publication Date

Mon, 10/01/2007 - 12:00

Right – Mineral wool batt insulation is cut to fit snuggly and to fully fill wall cavities with minimal voids and gaps.

Right – Mineral wool batt insulation is cut to fit snuggly and to fully fill wall cavities with minimal voids and gaps.

Publication Date

Fri, 12/31/2021 - 12:00

Insulated splines consisting of boards layered with rigid foam minimize energy loss at joints between the SIP wall panels.

Insulated splines consisting of boards layered with rigid foam minimize energy loss at joints between the SIP wall panels.

Right - Precast concrete basement walls come to the site with integrated rigid foam insulation and steel-faced concrete studs.

Right - Precast concrete basement walls come to the site with integrated rigid foam insulation and steel-faced concrete studs.

Right - Spray foam fills the walls and rim joists to air seal and insulate while caulk seals the framing joints.

Right - Spray foam fills the walls and rim joists to air seal and insulate while caulk seals the framing joints.

Publication Date

Mon, 09/30/2019 - 12:00

Insulating sheathing is extended up to the roof rafters and sealed around the framing with spray foam as part of this exterior wall retrofit

Insulating sheathing is extended up to the roof rafters and sealed around the framing with spray foam as part of this exterior wall retrofit

2021 IECC Climate Zone 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement (with notes)

2021 IECC Climate Zone 7 and 8: Vented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement (with notes)

Publication Date

Thu, 10/19/2023 - 12:00

2021 IECC Climate Zone 6: Vented Cathedral ceiling, 2x6 Wall, interior Insulated Basement (with notes)

2021 IECC Climate Zone 6: Vented Cathedral ceiling, 2x6 Wall, interior Insulated Basement (with notes)

Publication Date

Thu, 10/19/2023 - 12:00

2021 IECC Climate Zone 4C: Vented Attic, Exterior Double Wall, Interior Insulated Basement (with notes)

2021 IECC Climate Zone 4C: Vented Attic, Exterior Double Wall, Interior Insulated Basement (with notes)

Publication Date

Thu, 10/19/2023 - 12:00

The walls and floors of this modular home were constructed in a factory and are brought to the site already insulated and ready for quick assembly.

The walls and floors of this modular home were constructed in a factory and are brought to the site already insulated and ready for quick assembly.

2021 IECC Window Detail: Framed Wall with Rigid Insulation and Siding (Wood, Fiber Cement, Aluminum or Vinyl)

2021 IECC Window Detail: Framed Wall with Rigid Insulation and Siding (Wood, Fiber Cement, Aluminum or Vinyl)

Publication Date

Tue, 03/26/2024 - 12:00

If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation

This farmhouse was retrofit by removing the existing siding and adding taped insulated sheathing and battens before installing new siding

This farmhouse was retrofit by removing the existing siding and adding taped insulated sheathing and battens before installing new siding