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Right – Every seam and nail hole in these garage-to-house walls is sealed with tape.
Right – The building felt is installed on all exterior walls and provides a complete drainage system
Right – The foundation of this ICF home was constructed of ICFs that were set in place on a gravel bed, then 3.5 inches (R-36) of closed-cell spray foam was sprayed directly onto the gravel, providing an effective air, vapor, and thermal barrier.
Right – The rigid insulation covers all exterior walls and all seams are taped to provide a complete drainage system
Right – The seams are taped on the coated OSB sheathing of this home to provide a complete air barrier.
Right – The water-resistant barrier covers the entire house and the seams are taped to provide a complete drainage system
Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.
Right – This foil-faced foam sheathing has taped seams and proper flashing details so it can serve as a drainage plane.
Right – Vertical and horizontal furring strips are installed over a breathable membrane weather resistant barrier to create an air gap and drainage plane behind the wood siding that will be installed next.
Right – Wind baffle installation maintains necessary code clearance between baffle and roof deck
Right – Wood-to-sheathing joints are caulked so the sheathing can provide an air barrier for the home.
Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall
Roof decking has adhered radiant barrier that is perforated, in addition to the nail holes
Roofing paper protects the top of the new plywood parapet while the base of the parapet is air sealed with spray foam and fibrous insulation is installed in the rafter cavities in this flat roof retrofit
Stucco is installed over rigid insulation, which is installed over a drainage plane consisting of a drainage gap and building wrap layer over the sheathing
The “institutional” perfect wall works in all climate zones; water, air, vapor, and thermal control layers are exterior of the sheathing, assembly allows drying to interior and exterior
The air tightness of the garage-to-house air barrier can be tested with a blower door kit and two manometers
The air tightness of the house-garage air barrier can be tested using a CFM50 test that is first run with the garage door to outdoors closed
The air tightness of the house-garage air barrier can be tested using a CFM50 test that is run first with the garage door to outdoors closed and then with the overhead garage door to outdoors open
The attic knee walls were constructed from 2x6s and insulated with R-19 batt, backed with 1 inch of XPS foam board with taped joints to provide a solid air barrier over the insulated surfaces.
The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation
The base of the plywood parapet is air sealed with spray foam and fibrous insulation is installed in the rafter cavities in this flat roof retrofit
The black coating on these walls is a liquid-applied asphalt-based air and moisture barrier.
The builder in this very cold climate installed three layers of unfaced mineral wool batt in the double wall with a code-required vapor barrier between the middle and inner layers of wall insulation that is taped to barriers in the ceiling and floor.
The drywall above the chase extends beyond adjoining top plates for a continuous air barrier
The floor cavities under this attic kneewall are completely open to the unconditioned attic space and a prime target for wind washing
The foil-faced insulation behind this fireplace provides an air barrier and thermal shield.
The home is sheathed with rigid foam insulation and all seams and holes are taped to provide a continuous air barrier.
The I-joist is continuous along the shared wall and serves as a natural air barrier between the garage and the house