Is Chipped Styrofoam Good To Insulate My Attic

Step 2 install insulation boards.

Is chipped styrofoam good to insulate my attic.

It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Find a diagram of common air leaks here. Foam board insulation is easy to use and is a great diy way to add some insulation. Yeah if you do a really good job raking the insulation back you can still do a good job with the foam.

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. Yes using spray foam we have added your attic to the conditioned space. When we seal the attic with spray foam it s as tight as a butter tub. In an attic the eaves are one of the most critical places to get good coverage with the foam.

I think with his method i can achieve 6 8 inches of foam. 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. Place more foam board pieces perpendicular on top of the joists. The superattic system utilizes proprietary silverglo rigid foam insulation panels to fully seal and insulate the attic directly beneath the roof rafters and directly inside the gable ends.

Step 3 place caulking and furring strips. But it s harder and the chances of success are lower. Nothing unusual about that. However in a traditionally insulated attic insulation on the ceiling the attic is vented.

Use spray foam to seal the foam between the joists this will both insulate and create my air barrier for this portion of the attic. Some types of thicker foam board insulation are available but they may need to be special ordered. Cut foam board to fit in between joists. That styrofoam insulation will work but it is not cheap per r value however it gives you a great r value per inch.

Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless. Earlier this year i got a question about a home that had spray foam insulation in the attic. When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room. If you leave the existing insulation in the attic it interferes with the foam installation.

Here s the answer to the question posed in my article title.