Foam Board Metal Roof Insulation

Because of this i often get questions about which type of foam board insulation to use and what r values these products provide.

Foam board metal roof insulation.

Avoids nails or screws which could penetrate the metal roof and cause leaks. Some types of thicker foam board insulation are available but they may need to be special ordered. Beadboard roofing insulation must be dense enough to walk on. Wall insulation foam boards are much less dense than roof boards so be careful when choosing your product.

Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Rigid roof insulation board.

Foam board insulation types. Rmax r matte plus 3 1 2 in. R 3 2 polyisocyanurate rigid foam insulation board r matte plus 3 thermasheath 3 is rigid foam r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board. It s light weight provides ease of handling.

Use rigid foam insulation to cover wider spans of roof sheathing between joists. Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other. I ve written several posts about how to insulation basement walls in which i promote the use of foam board insulation as the first line of defense against moisture and mold. Meps foam board insulation often is called beadboard.

This foam can be used on either the outside or the inside of the sheathing. My concern is for v5 structurally i don t think that i can just lay the battens atop the eps. 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. Metal roofing attached to battens on eps martin i d like to attach 5v metal roofing to battens laid atop 10 of eps which would be on top of the osb sheathing.

Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. The best material for use with metal roof insulation is in the form of foam batting. Foam board insulation is easy to use and is a great diy way to add some insulation. Foil insulation is a radiant barrier and it works by.

There are three basic foam insulation board products on the. 10 tall battens also seems like a bad idea.