Foam Board Metal Roof Insulation

Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch.

Foam board metal roof insulation.

Some foam panel insulation is rigid enough to skip the step of installing a plywood sub roof but these materials are. Beadboard roofing insulation must be dense enough to walk on. At legacy service we can help you determine the right one. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass.

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. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Foam board insulation is easy to use and is a great diy way to add some insulation. Spray foam generally outperforms batt and blanket but loose fill and rigid board are good options too.

Rigid board made from fiberglass would be the best option for roofs and basements as the high insulation rating allows it to insulate the home better than say loose fill or batt and blanket. Foil insulation is a radiant barrier and it works by. This foam can be used on either the outside or the inside of the sheathing. If desired you can apply silicone caulk between the joints instead of using seaming tape.

Meps foam board insulation often is called beadboard. The best insulation for a metal roof whether it s a standing seam a corrugated metal roof or a metal roof over shingles depends on your preferences. You can also use silicone caulk or expanding spray foam as the adhesive to secure the rigid foam to the metal. Rmax r matte plus 3 1 2 in.

After the adhesive dries completely under the foam insulation apply seaming tape over all joints between the boards. R 3 2 polyisocyanurate rigid foam insulation board r matte plus 3 thermasheath 3 is rigid foam r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board.