Flat Roof Foam Insulation

Cost of rigid foam board insulation.

Flat roof foam insulation.

It accounts for over 60 of all installs. This is an ideal flat roofing system in arizona as it i. Foam control plus available in 15 25 40 and 60 psi strengths at a lower cost foam control plus has a superior drying potential foam control plus is more vapor permeable to help avoid moisture problems. Touch n seal 4004520015 u2 15 spray closed cell diy foam insulation kit 15 bf.

Touch n seal high density spray foam roof insulation kit 3 0 pcf closed cell foam 120 bf. 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. Silicone coating silicone coating is rolled directly on the 3lb roofing spray foam creating a clean cool to the touch roof which resists ponding water drastically reduces energy bills and increases the. Iso is available in a range of thicknesses that come in increments of 1 inch.

What s left he adds are using spray foam insulation on the underside of the roof sheathing or rigid foam on top of the roof sheathing. Holladay informed west that these options were discussed in a recent gba article insulating low slope residential roofs. Now in the intense 100 degree heat of this summer of 2019 the roof is melting. It has spray foam insulation entirely with 8 joists.

Usually homeowners spend about 25 of the total cost to install a flat roof on high quality insulation. R matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board. There are soffit vents and a ridge vent but then the foam occupies the entire cavity anyhow. The most efficient and best insulation used is rigid foam polyiso.

In august of 2016 i had a relatively flat roof 1 5 in slope per foot built for our 1500 sq ft addition. 5 0 out of 5 stars 3. Roof is pressure washed and cleaned using citrus cleaner and 3lb roofing spray foam is spray applied directly to existing flat roof after. Foam control plus flat roof insulation outperforms xps.

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. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Polyurethane foam roof systems are a fully renewable watertight seamless monolithic roofing system.