Using Tyvek In Attic

The side attic in a 1 storey house is a cold zone that is both above and beside warm zones.

Using tyvek in attic.

Cover attic insulation with tyvek. Use portable scaffolding not a ladder when covering tyvek over high areas. 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.

This makes is extremely difficult to install a rigid thermal barrier over the stud framing. The use of foil faced even fsk materials should never be installed after the cavity insulation has been installed. Ideally there would be a vapor barrier between the main floor drywall ceiling and the joists. 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. 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. Dupont tyvek wrap cap screws and 1 1 4 or 2 metal gasketed washers with screws should be used for steel frame construction.

There are some electrical wires running through the attic. 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. 22 2010 12 40 a m. I added a lot of fiberglass insulation to my attic floor and now have nearly 20.

Dear barryothanks for your input regarding my idea of putting tyvek over insulation between rafters in my attic. Eric young concord mass. Tyvek rolls are slippery and large so secure footing is highly recommended when handling them. Make sure to cover the entire wall surface thoroughly or air and water protection could be significantly reduced.

Overlap the tyvek rolls by at least 6 inches 30 cm. 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 would also seal all seams with tape. 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.