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Wrong – Conventional T-post detail is extremely difficult to insulate and usually doesn't happen

Wrong – Conventional T-post detail is extremely difficult to insulate and usually doesn't happen

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Impact Resistance of Advanced Framed Wall Systems with Insulating Sheathing as the Primary Sheathing, RR-0603

Reference

Research study describing the impact resistance performance of advanced framed wall systems with insulating sheathing as the primary sheathing from wind blown debris.

Conventional three-stud corners leave a cavity that must be insulated by the framers—not good

Conventional three-stud corners leave a cavity that must be insulated by the framers—not good

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Conventional three-stud corner leaves a cavity that must be insulated by the framers—not good.

Conventional three-stud corner leaves a cavity that must be insulated by the framers—not good.

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Right – A layer of sealant covers the wood-to-foam layer seams in the insulated header.

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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.

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Insulated headers can be hung with metal hangers instead of jack studs to reduce lumber usage

Insulated headers can be hung with metal hangers instead of jack studs to reduce lumber usage

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Wrong - Insulation beneath window is compressed and there are more support studs than necessary to left of window.

Wrong - Insulation beneath window is compressed and there are more support studs than necessary to left of window.

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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

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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.

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

Case Study

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

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

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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

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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

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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.

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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

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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

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A layer of rigid foam is sandwiched between two layers of 2x8 lumber in this insulated header over a window.

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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

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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

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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.

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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

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Ladder blocking where exterior walls intersect interior walls provides more space for insulation and reduces thermal bridging.

Ladder blocking where exterior walls intersect interior walls provides more space for insulation and reduces thermal bridging.

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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 corners that are constructed with fewer studs or studs aligned so that insulation can be installed in the corner.

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Air seal and insulate double-walls that are half-height or full-height walls used as architectural features in homes.

Air seal and insulate double-walls that are half-height or full-height walls used as architectural features in homes.

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Construct a double wall consisting of two framed walls forming a wide wall cavity for more insulation in the home’s exterior walls.

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Right – This three studs in this corner are positioned to allow insulation against more of the exterior wall than standard three-stud corners.

Right – This three studs in this corner are positioned to allow insulation against more of the exterior wall than standard three-stud corners.

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The rim joists and top plates are air sealed and insulated with open-cell spray foam while the walls are filled with blown fiberglass.

The rim joists and top plates are air sealed and insulated with open-cell spray foam while the walls are filled with blown fiberglass.

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This home is framed with post-and-beam construction and 7-inch wall cavities that will be filled with blown-in fiberglass insulation.

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The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.

The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.

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