Interior Rigid Foam Insulation

Rigid foam insulation tends to have a low to moderate r value per dollar compared to fiberglass.
Interior rigid foam insulation. R 5 scored square edge rigid foam board insulation sheathing model 20we view the owens corning exterior insulation. Owens corning foamular 150 1 in. Creates a finished appearance. When insulating interior basement walls in a finished basement use our styrofoam brand insulation.
However not all rigid foam insulation packs are created equal. This foam board insulation is available with straight or tongue and groove edges to help limit air movement. Most packs of rigid foam feature a higher r value per inch than cellulose fiberglass or cotton. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses.
Rigid foam insulation creates a solid barrier between the inside and outside of your house acting as an obstacle in the way of heat and cold transfer. Rigid foam insulation is the best thing since sliced bread. Step 1 inspect interior walls for any problem. 0 56 in x 4 ft x 8 ft.
A 1 1 2 inch thick sheet of rigid foam insulation has a r value of 7 5. Per square foot of r value rigid foam board insulation costs about twice as much as fiberglass. Interior insulation with rigid foam. Rigid foam r value.
0 56 in x 4 ft x 8 ft 1 unfaced polystyrene foam board insulation item 511270 model 100000050497. In installing the rigid foam insulation on an interior wall inspect the walls beforehand. Kingspan insulation r 3 common. Rmax r matte plus 3 1 2 in.
Styrofoam brand insulation is a rigid insulation that can be placed directly on walls framing and drywall. With the time and space saved it s worth its weight in well rigid foam. Check for any moisture problem on the interior walls and apply a waterproof paint on the affected area to resolve this. It s made of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer.
It s thin effective has a great r value and acts as a vapor barrier.