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Image:

Traditional roof trusses pinch insulation where the roof meets the walls.

Traditional roof trusses pinch insulation where the roof meets the walls.
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Trunk to duct connections are only mechanically fastened and not sealed

Trunk to duct connections are only mechanically fastened and not sealed
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Trunk to duct connections are properly insulated and have been sealed with mastic

Trunk to duct connections are properly insulated and have been sealed with mastic
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Tubular pipe insulation sleeves come with a precut seam

Tubular pipe insulation sleeves come with a precut seam
CAD File:

Turned down concrete slab - 1 1/2 inch rigid insulation

Preview Image
Turned down concrete slab - 1 1/2 inch rigid insulation
CAD File:

Turned down concrete slab - 1 inch rigid insulation

Preview Image
Turned down concrete slab - 1 inch rigid insulation
CAD File:

Turned down concrete slab - 3/4 inch rigid insulation

Preview Image
Turned down concrete slab - 3/4 inch rigid insulation
Image:

Two layers of XPS are installed with staggered seams over a liquid-applied membrane on the structural sheathing

Two layers of XPS are installed with staggered seams over a liquid-applied membrane on the structural sheathing
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Two pieces of flex duct are spliced together with a metal sleeve, nylon draw bands, mastic, metal tape, and more mastic

Two pieces of flex duct are spliced together with a metal sleeve, nylon draw bands, mastic, metal tape, and more mastic
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Two-stud corner using drywall clips; detail shows nail placement for exterior trim

Two-stud corner using drywall clips; detail shows nail placement for exterior trim
Image:

Two-stud corners with drywall clips use the least wood and give the best thermal performance

Two-stud corners with drywall clips use the least wood and give the best thermal performance
Video:

UMN NorthernSTAR: DOE Building America: Exterior Foundation Insulation

Image:

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.
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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.
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Unfaced batt insulation completely fills the wall cavities.

Unfaced batt insulation completely fills the wall cavities.
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Unfaced fiberglass batt insulation is installed to completely fill the wall cavities and is sliced to fit around wiring, piping, and other obstructions in the wall cavities

Unfaced fiberglass batt insulation is installed to completely fill the wall cavities and is sliced to fit around wiring, piping, and other obstructions in the wall cavities
Image:

Unvented air-sealed crawlspace is insulated along the perimeter walls with rigid foam

Unvented air-sealed crawlspace is insulated along the perimeter walls with rigid foam
Video:

Unvented Attic Insulation (1)

Video:

Unvented Attic Insulation (2)

Image:

Unvented crawl space with interior insulation - designed for termite resistance in heavily infested areas

Unvented crawl space with interior insulation - designed for termite resistance in heavily infested areas
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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper
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Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition

Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition
Image:

Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic

Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic
Presentation:

Upgrading Below Grade Spaces

Upgrading Below Grade Spaces