Installing Styrofoam In Attic

Roof attic insulation of foam baffles ventilate insulate cold hot air youtube.

Installing styrofoam in attic.

Use furring strips nailed into the sides of the rafters so that you have something to fasten the board to. 2 snap a chalk line between the length measurements. You first install a very large amount of non permeable foam insulation it the rafters above your head in region 5 r 20 of insulation in order to prevent condensation seal it with spray foam and then attach an ignition barrier such as rock wool or drywall beneath the foam. A brief snippet of how and why i used rigid foam insulation for some areas of the tiny house.

Your board must leave at least inch gap between the board and the roof. Install foam boards with the foil side facing you. A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents. Nothing unusual about that.

Earlier this year i got a question about a home that had spray foam insulation in the attic. Roof attic insulation of foam baffles ventilate insulate cold hot air. When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room. Foam insulation boards can be attached to concrete walls as well and in such a case care should be taken not to chip the cement.

Measure the length and width between two rafters in your attic and transfer the measurements to a 4 ft by 8 ft of rigid foam insulation board.