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Roof-wall flashing details.

Roof-wall flashing details.
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Roofing material and slope

Roofing material and slope
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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

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

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

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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Saturated ground water

Saturated ground water
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Schematic of exterior insulated roof assembly

Schematic of exterior insulated roof assembly
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Seal the roof deck as follows: Sweep roof decking, tape seams, and cover underlayment or roofing felt as shown.

Seal the roof deck as follows: Sweep roof decking, tape seams, and cover underlayment or roofing felt as shown.
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Sealing direct roof penetrations—final steps

Sealing direct roof penetrations—final steps
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Sealing direct roof penetrations—first steps

Sealing direct roof penetrations—first steps
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Sealing structural penetrations at roof wall intersections

Sealing structural penetrations at roof wall intersections
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Secure Shingle Tabs

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Seismic & Wind Design Considerations for Wood Framed Structures

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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

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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Shear Wall Anchor connectors

Shear Wall Anchor connectors
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Sheathing is removed from a flat roof to retrofit with air sealing, insulation, and water control layers

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

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.

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.

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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SIPschool's SIP Installation Basics: The Most Important Joint in the SIP Envelope

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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

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.

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

Sloped roof with cavity spray foam insulation, strapping, and gypsum board thermal barrier
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Snow and ice buildup over doorways can be a source of injury for occupants.

Snow and ice buildup over doorways can be a source of injury for occupants.