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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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To test house-to-garage airtightness, first set up the blower door kit with the smart manometer in the blower door

To test house-to-garage airtightness, first set up the blower door kit with the smart manometer in the blower door
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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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Two manometers are used when pressure testing the airtightness of the walls separating the house from an attached garage

Two manometers are used when pressure testing the airtightness of the walls separating the house from an attached garage
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Typical Concrete Tile Roofs in Florida

Typical Concrete Tile Roofs in Florida
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Typical roof truss top chord bracing

Typical roof truss top chord bracing
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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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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition

Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition
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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
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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
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Using roof and wall materials with a high Solar Reflectance Index (SRI) will reduce heat gains.

Using roof and wall materials with a high Solar Reflectance Index (SRI) will reduce heat gains.
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Vented Attic vs Unvented Cathedral Attic Air Flow

Vented Attic vs Unvented Cathedral Attic Air Flow
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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 air inlet is too close to exhaust outlet

Ventilation air inlet is too close to exhaust outlet
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Ventilation air inlet is too close to exhaust outlet

Ventilation air inlet is too close to exhaust outlet
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Ventilation air inlets located ≥10 ft. of stretched-string distance from known contamination sources such as stack, vent, exhaust hood, or vehicle exhaust

Ventilation air inlets located ≥10 ft. of stretched-string distance from known contamination sources such as stack, vent, exhaust hood, or vehicle exhaust
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Ventilation inlet is greater than 10 ft. from known contamination source

Ventilation inlet is greater than 10 ft. from known contamination source
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Ventilation inlet is greater than 10 ft. from known contamination source

Ventilation inlet is greater than 10 ft. from known contamination source
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Ventilation inlet is too close to exhaust outlets and does not extend at least 2 ft. above the roof deck

Ventilation inlet is too close to exhaust outlets and does not extend at least 2 ft. above the roof deck
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Vinyl and aluminum soffit panels can blow away in high winds if not properly connected.

Vinyl and aluminum soffit panels can blow away in high winds if not properly connected.
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Wall Bracing V: Building Wood Framed Structures for High Wind Resistance

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Wall Bracing: Satisfy the code with strong, resilient, fully sheathed walls