Is Chipped Styrofoam Good To Insulate My Attic

If you leave the existing insulation in the attic it interferes with the foam installation.

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. When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room. Cut foam board to fit in between joists. But it s harder and the chances of success are lower.

Nothing unusual about that. Find a diagram of common air leaks here. Some types of thicker foam board insulation are available but they may need to be special ordered. 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.

Place more foam board pieces perpendicular on top of the joists. The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy. Remove all blown in insulation 2. Step 2 install insulation boards.

However in a traditionally insulated attic insulation on the ceiling the attic is vented. I think with his method i can achieve 6 8 inches of foam. Step 3 place caulking and furring strips. Earlier this year i got a question about a home that had spray foam insulation in the attic.

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. Insulating an attic usually means you have a lot of room for insulation and you will need high r value so that is why the cheaper options are more popular blown cellulose or blown fiberglass. Foam board insulation is easy to use and is a great diy way to add some insulation. 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.

Yeah if you do a really good job raking the insulation back you can still do a good job with the foam. Yes using spray foam we have added your attic to the conditioned space. In an attic the eaves are one of the most critical places to get good coverage with the foam. Here s the answer to the question posed in my article title.

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.