Flat Roof Insulation Board

2020 insulation cost estimate foam board insulation prices.

Flat roof insulation board.

With solutions ranging from our optim r vacuum insulation panels to our therma range of pir insulation we can provide the best solution for flat roof insulation for roofs with mechanically fixed bonded or torch applied waterproofing systems. We recommend having at least 20 r value worth of material for optimal energy efficiency. You can expect to pay about 55 100 sq ft. Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced.

The rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Flat roof insulation is also used with conventional bur and mechanically or adhesively attached single ply and modified bitumen membranes when field applied cover boards are used. The average cost of flat roof insulation is 0 67 per square foot for 1 inch thick polyiso with 6 r value. Retroplus roof board is an expanded perlite mineral aggregate board.

Foam control plus flat roof insulation. Our range of high and optimum performance flat roof insulation products are suitable for use in a range of flat roofs. While expensive the best insulation is polyiso rigid foam. Here are the best insulation materials along with prices features and r values.

Flat roof insulation installation. For a 1 inch board equivalent of 6 r value. It is top quality and the most cost effective product for your flat roof.