How To Install Insulation Under A Metal Roof

Follow the instructional guide to adhere to proper standards.

How to install insulation under a metal roof.

Install rigid foam insulation over the entire surface of the roof. Cover the sheets with duct tape but don t go overboard. Overlap seams by about 3 inches. It serves as a moisture barrier as well as a slip sheet.

Install with staples the easiest and by far the quickest way to install metal roof insulation is with 1 inch staples. You can easily go through several sheets of insulation and know that they are secure. Use your neoprene washer head screws to secure the metal to the sheathing. Place the sheets close together but don t let them overlap.

Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. Overlap each sheet. This type of underlayment is critical to a quality roof installation. Space the screws about 12 in 30 cm apart down the entire piece of metal.

Using staples will allow you to install the insulation easily and quickly. 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. Take care the first piece is aligned precisely perpendicular square to the edge. It can lie down perfectly under the metal roofing without having to deal with the hassle.

Lay the plywood perpendicular to the roof joists and. How to insulate a metal roof hunker. Install by using staples. Install plywood or oriented strand board osb to act as structural roof sheathing.

But it is important to make sure that the paper liner is installed correctly between the sheathing and the insulation to prevent mold and mildew. Once again this is used on cold roof construction. Lay the metal roof panels over the insulation. To install foil insulation roll it out parallel to the ridge and cut it with a utility knife starting at the drip edge and working your way up.

Make sure the product is designed to be used under metal. According to the manufacturer s instructions install the metal roofing panels over the insulation. Layer building paper over the sheathing to help protect against moisture and leaks. Leave at least 1 8 inch in between gaps to provide breathable space and avoid moisture.