Rigid Foam Board Under Metal Roof

Eps is used under roofing over foundation walls and beneath siding.

Rigid foam board under metal roof.

Insulating a metal shed roof with rigid foam can be done one of three ways by laying the board prior to applying the roof by removing the existing roof and installing new foam board or by insulating the existing metal roof from the inside. Basically speaking ignoring sub insulated roofs which are a special case with rigid foam board insulation directly under the metal roofing the roofing needs proper support to be able to handle snow ice loads wind loads and walking on during installation cleaning and maintenance. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive.

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. Use rigid foam insulation to cover wider spans of roof sheathing between joists. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Installing metal roof insulation is not a difficult.

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. 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. To help with energy conservation and noise pollution many office buildings and homes use metal roof insulation as a way to cut down on these issues. Polyurethane spray foam metal roof insulation in order to add moisture barrier under metal roof you can spray the undersides of the roof by using a thick layer of polyurethane spray foam.

The metal roof has been a very popular roofing material for some time but people have just started using insulation within the roofing system as a means to block out sound and keep heat in. Spray foam generally outperforms batt and blanket but loose fill and rigid board are good options too.