Polyisocyanurate Roof Insulation Cost Per Square Foot

The most common is polyiso polyisocyanurate.

Polyisocyanurate roof insulation cost per square foot.

Free online polyisocyanurate insulation cost guide breaks down fair prices in your area. It ranges from 1 50 to 3 50 per square foot. In my case i use 5 inches 30 r of polyiso so my cost per foot is 1 60 per square foot. Input project size product quality and labor type to get polyisocyanurate insulation material pricing and installation cost estimates.

High quality rigid foam insulation that is properly installed will greatly improve ventilation eliminate drastic temperature fluctuations inside the home and protect from leaks. Polyiso is unique in that the r value increases with the thickness of the foam so three inches of polyiso has a higher r value per inch than two inches. Polyisocyanurate insulation board per inch of thickness. Get 2020 r30 insulation price options and installation cost ranges.

Polyiso has a high r value per inch compared to other insulation products. Cost per foot for insulation 0 32 per square foot for 1 inch thickness 6 r. Apa the engineered wood association. 1 inch 6 r value thickness of polyiso rigid foam insulation costs 45 50 per 100 sq ft.

Free online r30 insulation cost guide breaks down fair prices in your area. Simply enter your zip code and the square footage next click update and you will see a breakdown on what it should cost to have rigid foam insulation installed in your home example. Get 2020 polyisocyanurate insulation price options and installation cost ranges. If you want to have actual insulation it will cost you a pretty penny.

Benefits of polyisocyanurate insulation. Plywood roof sheathing 15 32 inch thick approximate weight. Fiber board has very little insulating value. Insulation cover board per inch of thickness.

Additionally i use roofing 7 screws 220 for a box of 1000 and double 1 3 strapping about 250 for whole house. Less common is fiberboard a roofing underlayment with some insulation value expanded polystyrene eps and extruded polystyrene xps. A 10 x 10 area equal 100 square feet. R value 6 0 per inch absorbs less than 1 of water far less than any other rigid insulation.

Highest r value per inch of any insulation product. So if you need 18 r value you will need 3 inches of iso which comes out to 135 150 per 100 sq ft. Polystyrene eps insulation board. There are various types from which to choose.

For roofs with heavier foot traffic opting to add in a layer of 100 psi hd coverboard is a great way to strengthen the rigid insulation.