Using Tyvek In Attic

Third many side attic knee wall areas are very restrictive in accessiblity and working height.

Using tyvek in attic. 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. There are some electrical wires running through the attic. Tyvek rolls are slippery and large so secure footing is highly recommended when handling them. 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. Dupont tyvek wrap cap screws and 1 1 4 or 2 metal gasketed washers with screws should be used for steel frame construction. Typically this space is 1 2 and will act as a drainage plane if incidental moisture were to penetrate the brick. 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.

22 2010 12 40 a m. Dear barryothanks for your input regarding my idea of putting tyvek over insulation between rafters in my attic. What can i put over the cellulose to keep the dust down poly or tyvek. Eric young concord mass.

Dupont s tyvek attic wrap is basically a type of plastic housewrap with a metallized surface. In other words it doesn t provide much insulation. This makes is extremely difficult to install a rigid thermal barrier over the stud framing. Cover attic insulation with tyvek.

I added a lot of fiberglass insulation to my attic floor and now have nearly 20. Use portable scaffolding not a ladder when covering tyvek over high areas. The side attic in a 1 storey house is a cold zone that is both above and beside warm zones. Make sure to cover the entire wall surface thoroughly or air and water protection could be significantly reduced.

The use of foil faced even fsk materials should never be installed after the cavity insulation has been installed. Overlap the tyvek rolls by at least 6 inches 30 cm. Ideally there would be a vapor barrier between the main floor drywall ceiling and the joists. 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.