Showing results 401 - 450 of 578
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Roof dormer is braced with steel connectors and strapping to increase its resistance to uplift
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Roof-mounted solar panels shade the roof below them (left), significantly reducing the roof’s surface temperature (thermal image on the right - yellow region under the panels is cooler than the red and white region on the exposed portion of the roof)
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Roofing membrane is installed over polyisocyanurate rigid foam insulation and insulation cover board that has been cut to fit around locations for blocking for the PV system rack
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Roofing nails should be driven in straight and flush, not overdriven, underdriven, or angled
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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
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Seal the roof deck as follows: Sweep roof decking, tape seams, and cover underlayment or roofing felt as shown.
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Self-adhering bituminous membrane covers the entire roof of this cold climate home, a practice common under metal roofs and also on complicated roofs
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Sheathing is removed from a flat roof to retrofit with air sealing, insulation, and water control layers
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Side by side comparisons of standard roofing colors (top row) and cool colors (bottom row) shows that solar reflectance (R) can be reduced significantly using special coatings with almost no change to the color
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Side view showing air-sealing and rigid foam insulation is installed over existing wall and ceiling under a room above, then covered with new gypsum board.
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Side view showing how the existing garage wall and ceiling are air-sealed prior to installing rigid foam insulation on the garage side of the shared wall of an existing home.
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Sleepers (tapered wood furring strips) are installed over the existing board sheathing to slope the new sheathing toward the drain in this flat roof retrofit
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Sloped roof with cavity spray foam insulation sprayed on underside of roof deck and covered with sprayed-on thermal or ignition barrier coating.
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Sloped roof with cavity spray foam insulation, strapping, and gypsum board thermal barrier
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Soffits can be secured by caulking to the wall, sealing between each soffit panel and the wall channel, and screwing the wall channel to the soffit panels.
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Solar panels can be hooked up to batteries to provide emergency power during outages and to help meet daily power needs after the sun goes down
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Some builders use cantilevered trusses to get full height insulation over the exterior wall.
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Sources of heat gain in a house include solar gains, infiltration, conduction through walls and roof, occupants, and internal equipment
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Sources of heat gain in a house include solar gains, infiltration, conduction through walls and roof, occupants, and internal equipment
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Spray foam adhesive provides an extra water resistant layer to the joints and seams on the inside of attics.
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Spray foam insulation is applied along the underside of the roof deck to provide a conditioned and non-vented attic space for ducts and air handlers.
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Spray foam insulation was installed on the underside of the roof deck and on gable end attic walls to create an unvented attic
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Step 1. Apply roof underlayment over roof deck and up the sidewall over the rigid foam insulation
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Step 2. Install shingle starter strip then kick-out diverter as first piece of step flashing.
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Step 3. Place the first shingle and the next section of sidewall flashing over upper edge of diverter
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Step 4. Install remaining sidewall flashing, appropriate counter flashing, and shingles
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Step 5. Apply self-adhesive flashing over top edge of the wall flashing, diverter, and rigid foam insulation
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Step and kick-out flashing at all roof-wall intersections extending ≥ 4 in. on wall surface above roof deck and integrated with drainage plane above
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Strengthen an existing roof by applying two-part spray-applied polyurethane foam adhesive to all sheathing and framing joints from the underside of the roof
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Strips of roofing membrane are used to flash around a skylight on a flat roof retrofit
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Strong wind passing over a sloped roof cause positive pressure on windward side and negative pressure on leeward side and at vortices above windward eave
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The asymmetrical design of this home offers a large uninterrupted south-facing roof plane for solar photovoltaic and solar thermal panels.
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The attic is sealed and insulated along the underside of the roof deck with 5.5 inches of polyurethane spray foam, providing conditioned space for the HVAC system.