How-To - Page 177 of 644

Part 4: Air-Seal and Insulate a Nail-Fin Window in a Wall with Exterior Rigid-Foam Insulation
Spray foam and high-quality sealant bridge all of the gaps between the framing, shims, and window for a durable and energy-efficient installation.
Part 1: Prepare a Rough Opening for a Nail-Fin Window over Housewrap
After installing the water-resistive barrier, cut the window opening and then use bevel siding and tape to create a positive-slope sill.
Part 2: Install a Nail-Fin Window over Housewrap
Use a manufacturer-approved type of sealant to bond the window to the water-resistive barrier before setting, squaring, and fastening the window to the framing.
Part 3: Flash a Nail-Fin Window over Housewrap
Apply and roll strips of a compatible flashing tape up the sides and across the head of the window for a weathertight installation.
Part 4: Air-Seal and Insulate a Nail-Fin Window over Housewrap
Spray foam and high-quality sealant bridge all of the gaps between the framing, shims, and window for a durable and energy-efficient installation.
Part 1: Prepare a Rough Opening for a Nail-Fin Window Over Peel-and-Stick Housewrap
After installing a fully adhered membrane, cut the window opening, fold in the sides, and use bevel siding and tape to create a positive-slope sill.
Part 2: Install a Nail-Fin Window over Peel-and-Stick Housewrap
Use a manufacturer-approved type of sealant to bond the window to the membrane before setting, squaring, and fastening the new window.
Part 3: Flash a Nail-Fin Window over Peel-and-Stick Housewrap
Strips of the same fully adhered membrane are the typical material used to bridge the gap between the window flange and the wall in this assembly.
Part 4: Air-Seal and Insulate a Nail-Fin Window over Peel-and-Stick Housewrap
Spray foam and high-quality sealant bridge all of the gaps between the framing, shims, and window for a durable and energy-efficient installation.
Part 1: Prepare a Rough Opening for a Nail-Fin Window over a Fluid-Applied WRB
Use the liquid WRB and a piece of bevel siding to build a sloped sill before liquid-flashing the entire surface.

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