Foam Board Metal Roof Insulation

Beadboard roofing insulation must be dense enough to walk on.

Foam board metal roof insulation.

This foam can be used on either the outside or the inside of the sheathing. At legacy service we can help you determine the right one. Meps foam board insulation often is called beadboard. 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.

Wall insulation foam boards are much less dense than roof boards so be careful when choosing your product. Spray foam generally outperforms batt and blanket but loose fill and rigid board are good options too. 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. Some foam panel insulation is rigid enough to skip the step of installing a plywood sub roof but these materials are.

Some types of thicker foam board insulation are available but they may need to be special ordered. 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.

The best material for use with metal roof insulation is in the form of foam batting. After the adhesive dries completely under the foam insulation apply seaming tape over all joints between the boards. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass.

Foil insulation is a radiant barrier and it works by. 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.