Starting at one end of your attic install our ultima foil breathable radiant barrier over across attic floor joists plywood decking or existing insulation.
Installing house wrap in attic.
Perforated house wrap radiant barrier foil 48 wide.
Solid double sided radiant barrier foil 48 wide.
The house wrap should be fixed every 12 to 18 inches with specific stapling nails or nails designed to hold down house wrap material.
The first roll should be plumb with the bottom edge of the wall.
Solid single sided radiant barrier foil 48 wide.
Step by step to roof wall connections that don t leak.
Choose your insulation type.
Installation of house wrap around the window and door openings involves a y cut from corner to corner in the openings.
Perforated house wrap radiant barrier foil 60 wide.
Spray foam insulation 1.
Generally disposable and refillable spray insulation tanks are sold as part of a spray.
Five inches up the wall is good for 4 inch step flashing.
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.
Nails should be at least 1 inch long and spaced 12 to 18 inches on center.
Calculate how much you need.
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.
Before installing determine the insulation material best suited for your home.
If stud marks are printed on your tyvek product line them up with the first stud of your wall.
Make sure you have a suitable space for spray foam.
How to measure your attic.
Extend the house wrap over the footing top at least 2 inches.
Cut the house wrap so that the roof paper can be tucked underneath.
Wrap roof paper up the wall to backup the step flashing.
Get a low pressure sprayer.
Bowa has required.
Choose between open and.
Use staples or nails specifically designed to hold down house wrap material.
Always install a kickout flashing.
Install a drainage provision at the bottom of the external siding material if recommended.
If you want to insulate an area in your crawl space attic or.
Then the loose material is folded through the openings and fastened securely.