Showing results 401 - 450 of 688
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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 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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Seams in the ICF block are sealed so the EPS foam surface can serve as the drainage plane; no house wrap is needed.
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Section view of duct or pipe penetration through exterior wall showing flashing and air sealing details
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Section view of electric box installation in exterior wall showing flashing and air sealing details
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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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Showering accounts for 1.2 trillion gallons of water per year in the United States.
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Shrubs, trees, and herbs create a tight network of roots and stems that bind the soil and slow the flow of water down hillsides.
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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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Soil types include sand, silt, and clay- the more sand, the more quickly the soil drains.
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Some species of native prairie plants have much deeper root systems than Kentucky blue grass, increasing the ability of those plants to retain and filter stormwater
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Spray foam extends down the foundation wall to the slab, which has been retrofitted by adding dimple plastic drainage mat and rigid foam insulation.
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Spray foam extends down the inside of the foundation wall to the uninsulated slab; because the wall lacked exterior perimeter drainage, the slab was cut and an interior footing drain was installed.
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Spray foam insulation extends down the foundation wall to the slab, which has been retrofitted by cutting the slab to install drainage mat against the wall and a new perimeter footing drain, along with rigid foam plastic above the slab.
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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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Step and kickout flashing should be installed at all roof-wall intersections to protect the wall and divert rainwater runoff into a gutter.
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Stone mulch provides a pervious walking surface while retaining moisture and minimizing erosion.
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Strips of roofing membrane are used to flash around a skylight on a flat roof retrofit
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Swales are trapezoidal channels dug to receive storm-water overflow, with specific vegetation planted to improve aesthetics, filter stormwater runoff, and prevent erosion.
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Swales are troughs that collect site stormwater and filter it with vegetation, soil, and gravel layers.
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Tape horizontal joint with minimum 3" wide tape placing tape offset high on the joint, adhearing to the upper sheet without wrinkles
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Tape the joint between the top insulation sheet and the Z-flashing with 2" wide tape to improve air tightness
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