Installing Rigid Insulation Under Metal Roof

Start at the bottom of the roof and place the first piece of rigid foam insulation against the metal flashing starting at the center line.

Installing rigid insulation under metal roof.

Lay and attach plywood or osb oriented strand board to the exterior. The easiest and by far the quickest way to install metal roof insulation is with 1 inch staples. Avoids nails or screws which could penetrate the metal roof and cause leaks. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive.

It is not the normal insulation type that can be rolled up. Nail it around the edges with roofing nails. Use 2 1 2 inch deck screws to drive the furring strips into the foam and the wood framing beyond. Insulating with spray foam insulation.

Attach a weather proofing or vapor resistant sheet of material over the plywood. You can easily go through several sheets of insulation and know that they are secure. Measure the roof area and. Putting an insulation layer could help you to stay away from this issue.

There are several ways you can do to insulate the metal roof. The furring strips should run vertically from floor to ceiling or from eaves to rafters if you are installing them on a sloped ceiling. Use rigid foam insulation to cover wider spans of roof sheathing between joists. Tips to install metal roof insulation use foam batting.

Install 1 by 3 furring strips over the insulation panels on top of each stud. Remove the existing roof if you have one.