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A foam gasket is installed along the top plates before installing drywall as an air-sealing step to help achieve a quieter, draft-free home.
A layer of rigid foam is sandwiched between two layers of 2x8 lumber in this insulated header over a window.
A metal plate is used to connect top plates to one another
A pumper is used to place the concrete into the foam form walls
Advanced framing details include corners that are constructed with fewer studs or studs aligned so that insulation can be installed in the corner.
Advanced framing details include framing aligned to allow for insulation at interior-exterior wall intersections.
Advanced framing details include insulated headers over windows and doors.
Advanced framing details include minimal framing at windows and doors.
Advanced framing details include using the minimum amount of wall studs permitted by code.
Advanced framing details throughout house including insulated and open headers
Advanced framing details throughout house limit use of lumber
Advanced framing showing open headers
Advanced framing techniques including 2x6 walls spaced at 24 inches on center and ladder blocking at wall intersections allow more space for insulation in the wall cavities while open-web floor joists provide space between floors for ducting.
Advanced framing uses less wall studs
Air seal and insulate double-walls that are half-height or full-height walls used as architectural features in homes.
Air seal the common wall between units in a multi-family structure to minimize air leakage.
Air-sealing tape carefully seals the seams around the window framing.
Attach the interior 2x4 wall to the exterior wall top plate with a flat metal connector plate
Baffles will keep insulation out of the soffit vents and wind out of the insulation in this vented attic.
Balloon-framed walls have no top plate to prevent air flow into wall cavity
Before installing drywall, contractors install two beads of a sprayer-applied elastomeric sealant along framing and top plates to forma a flexible, air-tight seal between the framing and dry wall.
Common wall sheathing not properly fastened or sealed
Connector plate and drywall clips
Construct a double wall consisting of two framed walls forming a wide wall cavity for more insulation in the home’s exterior walls.
Conventional T-post framing detail
Conventional three-stud corners leave a cavity that must be insulated by the framers—not good
Corner framing is placed to allow room in the corners for wall insulation.
Cover the roll of fiberglass batt with spray foam to air seal it in place
Different types of ICF blocks
Double wall with interior air barrier
Double wall with spray foam
Double-wall framing
Each floor of this two-story modular home is constructed in a factory, including the 2x6, 24-inch on-center walls, R-21 fiberglass batt cavity insulation, and rigid exterior foam, housewrap, windows, and trim, then connected on site.
Fill in the hole left by the missing top plate with a rigid air blocking material or rolled batt insulation that is spray foamed in place
Framing is built around the window before exterior rigid foam is installed on the exterior walls around the window.
Gaps at shared common walls can be a significant source of air leakage in multi-family buildings
Gasket installed along entire seam of the modular home marriage joint
Gasket installed at marriage wall connection prior to assembling modules
Gasket installed at marriage wall connection prior to assembling modules
Headers over windows and doors are insulated rather than solid wood.
Headers over windows on non-load-bearing walls are open to allow room for insulation.
ICF forms are filled with the use of a concrete pumper truck
ICFs provide continuous wall insulation from the roof to the footing with very little thermal bridging
Install continuous top plates or blocking at the tops of walls adjacent to conditioned space to minimize air leakage.
Install waterproofing on portions of the ICF that will be below grade
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.
Insulated header made of one piece of plywood aligned with exterior wall, with room for insulation to inside
Insulated header made of two pieces of plywood that sandwich a layer of rigid foam insulation
Insulated headers can be hung with metal hangers instead of jack studs to reduce lumber usage
Insulating sheathing is extended up to the roof rafters and sealed around the framing with spray foam as part of this exterior wall retrofit
Interior non-load bearing walls are 2x4 studs spaced 24-inchon- center, can have non-structural connectors
Interior wall attached with top plate metal connector, drywall clips support drywall, plan view
Interior wall attached with top plate metal connector, drywall clips support drywall, side view
Interior wall post support detail plan view
Interior wall post support detail side view
Key elements of a wall system clad with insulated vinyl siding
Ladder framing detail side view
Ladder framing detail, plan view
Marriage joints between modular home modules at all exterior boundary conditions fully sealed with gasket and foam
Metal straps tie the roof rafters to the top plate for additional resistance to severe storms.
Modified truss to allow for raised ceiling sections for ducts
No gasket installed at marriage wall connection prior to assembly
No gasket installed at marriage wall connection prior to assembly
On top of the ice-and-water shield, the builder installed horizontal beams that were raised 6 inches off the deck to allow room for spray foam insulation.
Raised ceiling duct chase installation technique
Raised-heel roof trusses allow more room at the eaves for attic insulation.
Right – Air barrier is installed between double wall framing
Right – Appropriate door framing installed
Right – Appropriate use of framing members to support double windows and additional cripples for drywall purposes
Right – Approved common assembly installed
Right – Blocking installed and air sealed instead of continuous top plate
Right – Continuous top plate installed
Right – Continuous top plate installed
Right – Flex duct register is mastic sealed to framing
Right – Framing allows corner to be insulated
Right – Framing allows corner to be insulated
Right – Full length 2x6 nailer has been installed to allow space for insulation at wall intersection

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