Foam Board Metal Roof Insulation

Foil insulation is a radiant barrier and it works by.

Foam board metal roof insulation. 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. Use rigid foam insulation to cover wider spans of roof sheathing between joists. This foam can be used on either the outside or the inside of the sheathing. Rmax r matte plus 3 1 2 in.

Rigid roof insulation board. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency. It s light weight provides ease of handling. 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.

There are three basic foam insulation board products on the. Avoids nails or screws which could penetrate the metal roof and cause leaks. Foam board insulation types. 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.

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. Wall insulation foam boards are much less dense than roof boards so be careful when choosing your product. 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. The best material for use with metal roof insulation is in the form of foam batting.

Meps foam board insulation often is called beadboard. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Beadboard roofing insulation must be dense enough to walk on. Some foam panel insulation is rigid enough to skip the step of installing a plywood sub roof but these materials are.

My concern is for v5 structurally i don t think that i can just lay the battens atop the eps. Some types of thicker foam board insulation are available but they may need to be special ordered. 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. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass.

Foam board insulation is easy to use and is a great diy way to add some insulation. 10 tall battens also seems like a bad idea.