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Use flashing tape to seal around any pipes or vents that penetrate through the foam

Use flashing tape to seal around any pipes or vents that penetrate through the foam
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Use hat channels attached to the steel studs with stainless steel screws through the rigid foam to attach cladding with less thermal bridging

Use hat channels attached to the steel studs with stainless steel screws through the rigid foam to attach cladding with less thermal bridging
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Use only Underwriters Laboratory UL-181 approved tape

Use only Underwriters Laboratory UL-181 approved tape
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Using dry wall clips or a 1x nailer strip to avoid the third stud in corners provides more room for insulation and reduces lumber.

Using dry wall clips or a 1x nailer strip to avoid the third stud in corners provides more room for insulation and reduces lumber.
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Vapor-permeable mineral wool insulation is installed on the exterior side of the sill beam during an exterior wall retrofit to allow the sill beam to dry to the outside

Vapor-permeable mineral wool insulation is installed on the exterior side of the sill beam during an exterior wall retrofit to allow the sill beam to dry to the outside
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Vented crawl space with concrete walls and insulated ceiling

Vented crawl space with concrete walls and insulated ceiling
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Vented crawl space with insulation in the ceiling

Vented crawl space with insulation in the ceiling
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Vented crawlspace foundation insulated under floor joists with rigid foam.

Vented crawlspace foundation insulated under floor joists with rigid foam.
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Vented roof assembly at eave retrofitted with rigid foam, spray foam, and fully adhered membrane to air seal the top of wall-to-roof transition

Vented roof assembly at eave retrofitted with rigid foam, spray foam, and fully adhered membrane to air seal the top of wall-to-roof transition
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Vented roof assembly at rake retrofitted with spray foam and additional insulation installed at the attic floor and extended to the rake edge

Vented roof assembly at rake retrofitted with spray foam and additional insulation installed at the attic floor and extended to the rake edge
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Ventilation control is not obvious

Ventilation control is not obvious
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Ventilation control is not obvious

Ventilation control is not obvious
Case Study:

Veridian Homes: Cold Climate Region 40+% Energy Savings

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Wall Assembly | Madrona Passive House

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Wallingford Passive House | Foundation Details

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Walls Behind Showers and Tubs (1)

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Walls Behind Showers and Tubs (3)

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Walls in cold climates with a Class 3 vapor retarder (latex paint) and a vapor-open continuous insulation like mineral wool allow drying to the interior or the exterior

Walls in cold climates with a Class 3 vapor retarder (latex paint) and a vapor-open continuous insulation like mineral wool allow drying to the interior or the exterior
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Walls in cold climates with a polyethylene vapor barrier interior of the wall cavity should have either no exterior insulation or a vapor-open continuous insulation like mineral wool that allows drying to the exterior

Walls in cold climates with a polyethylene vapor barrier interior of the wall cavity should have either no exterior insulation or a vapor-open continuous insulation like mineral wool that allows drying to the exterior
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Water intrusion

Water intrusion
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Water management details for a roof drain installed along with rigid foam on a flat roof

Water management details for a roof drain installed along with rigid foam on a flat roof
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Waverly Addition Conditioned Crawl Space

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Waverly Home Addition | Exterior Cladding Details

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Well insulated slab

Well insulated slab