Installing Fanfold Insulation On Roof

My house currently has cedar shake which i m removing because it is in poor condition.

Installing fanfold insulation on roof.

If installing closed cell spray foam or other low permeance insulation to the interior it is very important to verify that the roof sheathing and framing are dry e g. It is not the normal insulation type that can be rolled up. It can be touted that foam batting material is the best one to pair with metal roof insulation. If the existing siding is damaged remove it and install tri built fanfold underlayment directly to the substrate.

The easiest and by far the quickest way to install metal roof insulation is with 1 inch staples. I plan on putting vinyl siding. Eps insulation is easy. You can easily go through several sheets of insulation and know that they are secure.

Foam board insulation is easy to use and is a great diy way to add some insulation. Verify that substrate dry and free of foreign material that will damage the fanfold underlayment. Beginning of installation means installer accepts the existing conditions. There are several ways you can do to insulate the metal roof.

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. Overlap seams by about 3 inches. Tips to install metal roof insulation use foam batting. A install tri built fanfold underlayments directly over old siding using galvanized or aluminum roofing nails with nails spaced about 2 feet apart.

It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. 12 15 moisture content or less before installing cavity insulation. R tech ff is ideal in recover applications and is well suited for single ply roof applications that employ mechanically fastened or ballasted tpo pvc epdm and cspe membranes. Benchmark foam s tapered expanded polystyrene eps roofing system provides effective drainage for flat roofs.

Consult local building codes and membrane manufacturers for system requirements. R tech rigid foam fanfold insulation. Another benefit of using staples is that they do not make a large hole when penetrating into the sheathing.