Installing House Wrap In Attic
Get a low pressure sprayer.
Installing house wrap in attic. Installation of house wrap around the window and door openings involves a y cut from corner to corner in the openings. Check pipes and vents. Always install a kickout flashing. Extend the house wrap over the footing top at least 2 inches.
Solid single sided radiant barrier foil 48 wide. Use a stick 1 4 furring strip with nail in the end works well to help push the barrier into the tight spaces of your attic. Choose your insulation type. Choose between open and.
Nails should be at least 1 inch long and spaced 12 to 18 inches on center. How to measure your attic. The first roll should be plumb with the bottom edge of the wall. Wrap roof paper up the wall to backup the step flashing.
Five inches up the wall is good for 4 inch step flashing. This makes is extremely difficult to install a rigid thermal barrier over the stud framing. Spray foam insulation 1. Generally disposable and refillable spray insulation tanks are sold as part of a spray.
Then the loose material is folded through the openings and fastened securely. Cut the house wrap so that the roof paper can be tucked underneath. Before installing determine the insulation material best suited for your home. Use staples or nails specifically designed to hold down house wrap material.
Perforated house wrap radiant barrier foil 48 wide. Bowa has required. Perforated house wrap radiant barrier foil 60 wide. Step by step to roof wall connections that don t leak.
Begin by placing an edge of tyvek at one end of the wall leaving a 6 12 inch 15 30 cm overlap over the corner. Calculate how much you need. I suggest installing horizontally stacked r 19 unfaced fiberglass batt insulation across the back side anchored to the studs and then covered from roof deck to joist top with house wrap material this material does not have to be air thight. If stud marks are printed on your tyvek product line them up with the first stud of your wall.
Install a drainage provision at the bottom of the external siding material if recommended. Starting at one end of your attic install our ultima foil breathable radiant barrier over across attic floor joists plywood decking or existing insulation. The house wrap should be fixed every 12 to 18 inches with specific stapling nails or nails designed to hold down house wrap material.