It provides r values that range from 3 6 to 4 2 per inch.
Type 3 type 4 rigid insulation.
Falls in the middle of the three types of rigid foam insulation in both cost and r value used most in walls or below grade applications recyclable and at about r 5 per inch costs around 42 per sq.
R 15 scored squared edge rigid foam board insulation sheathing.
For a 1 in thick 4 8 panel comes unfaced or with a number of different plastic facings.
It has high water resistance and an r value of 0 88 25 mm 5 0 per inch of thickness.
Sticky mesh heavy duty.
Foamular 250 3 in.
R 3 graphite radiant barrier wall insulation kit 9 sheets kit multipurpose high density insulation kit r10 2 3 8 in.
Also called styrofoam insulation this is the least expensive material.
When using rigid insulation in residential and commercial properties the most common boards used would be polyiso polyisocyanurate eps or xps each type of insulation board are very different and carry different r values and compressive strength.
Each type comes with unique advantages.