While all foam insulation products are derived from petroleum some of the key differences include water resistance r value per inch compressive strength facings permeability to water vapor and evidently cost.
Rigid foam attic insulation.
Set your store to.
If you re considering turning your attic into conditioned storage or living space it s worth changing tactics to insulate between the rafters and wall joists instead of the floor.
Get free shipping on qualified attic foam board insulation or buy online pick up in store today in the building materials department.
Expanded polystyrene eps extruded polystyrene xps and polyisocyanurate are the most used types of rigid foam insulation.
Superior air sealing performance eliminates energy wasting leaks at the top of the house.
When installing attic insulation it s important to have the right material for each job.
You can use rigid foam panels or do as tom silva does with nearly all houses these days.
Thermasheath rmax thermasheath 3 1 in.
Silverglo rigid foam insulation is durable and waterproof it won t shrink or lose r value over time.
Silverglo has an integral radiant barrier to reflect summer heat out and winter heat back in.
Typical thicknesses range from inch to 2 inches with estimated r values of r 3 for the inch to r 10 for the 2 inch board.
Truck tool rental.
Hire a pro to install spray foam insulation.
It is lightweight and easy to work with.
R 6 polyisocyanurate rigid foam insulation board model 787264 21 78 21 78.