Rigid Foam Board Under Metal Roof

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.

Rigid foam board under metal roof.

Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. It will help you to eliminate problems that may come when the house becomes extremely cold in the winter and terribly hot in the summer. 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. Use rigid foam insulation to cover wider spans of roof sheathing between joists.

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. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Avoids nails or screws which could penetrate the metal roof and cause leaks. Installing metal roof insulation is not a difficult.

It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. Eps is used under roofing over foundation walls and beneath siding. Rigid foam boards come in different material compositions varying thicknesses and different. 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.

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. Spray foam generally outperforms batt and blanket but loose fill and rigid board are good options too.