Using Tyvek In Attic

Eric young concord mass.

Using tyvek in attic.

Third many side attic knee wall areas are very restrictive in accessiblity and working height. In other words it doesn t provide much insulation. 22 2010 12 40 a m. This makes is extremely difficult to install a rigid thermal barrier over the stud framing.

The side attic in a 1 storey house is a cold zone that is both above and beside warm zones. 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. Use portable scaffolding not a ladder when covering tyvek over high areas. Overlap the tyvek rolls by at least 6 inches 30 cm.

However because insulation i removed had the vapor barrier attached we needed to install a new barrier. Cover attic insulation with tyvek. Typically this space is 1 2 and will act as a drainage plane if incidental moisture were to penetrate the brick. 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.

The use of foil faced even fsk materials should never be installed after the cavity insulation has been installed. What can i put over the cellulose to keep the dust down poly or tyvek. 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 would also seal all seams with tape.

Dear barryothanks for your input regarding my idea of putting tyvek over insulation between rafters in my attic. Dupont s tyvek attic wrap is basically a type of plastic housewrap with a metallized surface. Make sure to cover the entire wall surface thoroughly or air and water protection could be significantly reduced. I added a lot of fiberglass insulation to my attic floor and now have nearly 20.

Tyvek rolls are slippery and large so secure footing is highly recommended when handling them. 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. Ideally there would be a vapor barrier between the main floor drywall ceiling and the joists.