How To Install Insulation Under Existing Metal Roofing

Install by using staples.

How to install insulation under existing metal roofing.

It can lie down perfectly under the metal roofing without having to deal with the hassle. Insert 3 inch galvanized screws through the fastening plates. Attach a weather proofing or vapor resistant sheet of material over the plywood. Use a drill to drive.

Using staples will allow you to install the insulation easily and quickly. Position the fastening plates over the insulation board. Insert a plate every 2 square feet of insulation board. 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.

Lay and attach plywood or osb oriented strand board to the exterior. Remove the existing roof if you have one. Lay the plywood perpendicular to the roof joists and fasten it in place using galvanized or stainless steel roofing nails. Enter fiberglass insulation a common relatively inexpensive easy to use product.

If you plan to insulate your metal roof with fiberglass go ahead but follow smart installation procedures. In this case simply lay the insulation between the purlins. One of the more popular methods of placing metal roofing on a home is to lay down purlins across the existing shingles. How do i insulate a metal shed roof with rigid foam.