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Presentation:

Tips for Installing a Weather Resistive Barrier

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To ensure a complete air barrier between the garage and the house, the wall between the garage and the house was insulated and air-sealed with four inches of high-density spray foam.

To ensure a complete air barrier between the garage and the house, the wall between the garage and the house was insulated and air-sealed with four inches of high-density spray foam.
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To test house-to-garage airtightness, after connecting the green tubing as shown, connect the red tubing as follows: connect the input tap on channel “A” of the two-channel manometer (2CM) to the reference tap on channel “B” of the 2CM

To test house-to-garage airtightness, after connecting the green tubing as shown, connect the red tubing as follows: connect the input tap on channel “A” of the two-channel manometer (2CM) to the reference tap on channel “B” of the 2CM
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Two layers of high-permeability house wrap are installed to provide a drainage layer between the SIPS and the homes external cladding

Two layers of high-permeability house wrap are installed to provide a drainage layer between the SIPS and the homes external cladding
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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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Typical installation of a double section modular home on a pier and ground anchor foundation

Typical installation of a double section modular home on a pier and ground anchor foundation
Video:

UMN NorthernSTAR: DOE Building America: Exterior Foundation Insulation

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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
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Use a smoke pencil to check for air leaks at SIP panel seams, especially along the ridge beam

Use a smoke pencil to check for air leaks at SIP panel seams, especially along the ridge beam
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Use caulk or spray foam to air-seal all four edges of the blocking material in each joist bay.

Use caulk or spray foam to air-seal all four edges of the blocking material in each joist bay.
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Use caulk, foam or equivalent material to seal gap between partition wall

Use caulk, foam or equivalent material to seal gap between partition wall
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Use caulk, foam, or equivalent material to seal gap between common wall

Use caulk, foam, or equivalent material to seal gap between common wall
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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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Utilities are commonly recessed into cutouts in the foam after concrete has been poured

Utilities are commonly recessed into cutouts in the foam after concrete has been poured
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Vented Attic vs Unvented Cathedral Attic Air Flow

Vented Attic vs Unvented Cathedral Attic Air Flow
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Vinyl frame window

Vinyl frame window
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Wall missing air barrier

Wall missing air barrier
Video:

Wallingford Passive House | Blower Door Test

Video:

Wallingford Passive House | Exterior Assembly Details

Video:

Wallingford Passive House | Exterior Insulation Window Detail

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Walls are being assembled at this SIP house

Walls are being assembled at this SIP house
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Weather resistant barrier is wrapped over the edge from roof to wall sheathing to provide a continuous air barrier at this transition.

Weather resistant barrier is wrapped over the edge from roof to wall sheathing to provide a continuous air barrier at this transition.
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Well insulated slab

Well insulated slab
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When rigid foam insulation is applied to the exterior side of the wall cavity under the cladding, with seams taped and an air gap provided, it acts as a vapor barrier, air barrier, and rain screen.

When rigid foam insulation is applied to the exterior side of the wall cavity under the cladding, with seams taped and an air gap provided, it acts as a vapor barrier, air barrier, and rain screen.