Installing House Wrap In Attic

Wrap roof paper up the wall to backup the step flashing.

Installing house wrap in attic.

Before installing determine the insulation material best suited for your home. 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. The first roll should be plumb with the bottom edge of the wall. Choose between open and.

Starting at one end of your attic install our ultima foil breathable radiant barrier over across attic floor joists plywood decking or existing insulation. Then the loose material is folded through the openings and fastened securely. If stud marks are printed on your tyvek product line them up with the first stud of your wall. Nails should be at least 1 inch long and spaced 12 to 18 inches on center.

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. Extend the house wrap over the footing top at least 2 inches. Get a low pressure sprayer. Always install a kickout flashing.

How to measure your attic. Check pipes and vents. The house wrap should be fixed every 12 to 18 inches with specific stapling nails or nails designed to hold down house wrap material. Use staples or nails specifically designed to hold down house wrap material.

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. If you want to insulate an area in your crawl space attic or. Perforated house wrap radiant barrier foil 48 wide.

Solid double sided radiant barrier foil 48 wide. Installation of house wrap around the window and door openings involves a y cut from corner to corner in the openings. 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. Make sure you have a suitable space for spray foam.

Generally disposable and refillable spray insulation tanks are sold as part of a spray. Cut the house wrap so that the roof paper can be tucked underneath. Calculate how much you need. Install a drainage provision at the bottom of the external siding material if recommended.

Spray foam insulation 1. Solid single sided radiant barrier foil 48 wide. Choose your insulation type.