Using Tyvek In Attic

This makes is extremely difficult to install a rigid thermal barrier over the stud framing.

Using tyvek in attic.

Third many side attic knee wall areas are very restrictive in accessiblity and working height. Dear barryothanks for your input regarding my idea of putting tyvek over insulation between rafters in my attic. The side attic in a 1 storey house is a cold zone that is both above and beside warm zones. The use of foil faced even fsk materials should never be installed after the cavity insulation has been installed.

Cover attic insulation with tyvek. In other words it doesn t provide much insulation. Ideally there would be a vapor barrier between the main floor drywall ceiling and the joists. Overlap the tyvek rolls by at least 6 inches 30 cm.

There are some electrical wires running through the attic. Make sure to cover the entire wall surface thoroughly or air and water protection could be significantly reduced. However because insulation i removed had the vapor barrier attached we needed to install a new barrier. When installed adjacent to an air space the attic wrap will probably raise the r value of the air space from about r 1 to about r 2.

I had not really been clear about the differences between an air infiltration barrier tyvek and a vapor barrier paper on insulation which i assume is basically kraft paper i plan to leave the paper on but cover it with tyvek. I am now wondering if i could get a more thorough seal by simple laying tyvek house wrap over the existing fiberglass and sealing the perimeter to the top plate all around the house. To attach tyvek in wood frame construction use dupont tyvek wrap cap nails dupont tyvek wrap cap staples other cap staples for the stinger cap stapler. Question blown in cellulose insulation in my attic floor is dusty and i d like to use part of the attic for storage putting plywood on the floor where needed.

Whether using dupont tyvek homewrap tyvek commercialwrap or dupont tyvek stuccowrap under brick it is important to follow brick manufacturer s guidelines regarding the use of an air space between the brick veneer and sheathing. What can i put over the cellulose to keep the dust down poly or tyvek. Eric young concord mass. I added a lot of fiberglass insulation to my attic floor and now have nearly 20.

22 2010 12 40 a m. I would also seal all seams with tape. Dupont s tyvek attic wrap is basically a type of plastic housewrap with a metallized surface. Dupont tyvek wrap cap screws and 1 1 4 or 2 metal gasketed washers with screws should be used for steel frame construction.