Metal Roof Insulation Options

Use rigid foam insulation to cover wider spans of roof sheathing between joists.

Metal roof insulation options.

Each area is done independently because each requires a different formula. Your roof purlin spacing can vary but 5 on center and 8 inches in depth is common which is the available insulating area. Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels. It s one of the most effective options for metal roofing and it s very easy to work with.

60 x 80 4 800 note. Both materials make a great physical barrier between the interior building and the metal roof. Bubble insulation is not reliable. Metal roofing insulation is a green solution to reducing your heating and cooling costs.

The previous four options are all used beneath the roof. Fiberglass batts offer one of the cheapest and easiest ways to insulate metal roofs. Radiant barrier insulation can be used in conjunction with thermal insulation or independently. Spray foam is a large scale version of what comes out of a can.

Factory pre cut white vinyl faced fiber glass blankets are placed in between the metal roof purlins and held in place by steel strapping called banding screwed to the bottom of the purlin. It can be installed on old or new metal roofs without causing disruption or the need for reroofing. Fiberglass batts or glass mineral wool metal roof insulation the most common material used for an insulating metal roof is fiberglass batts or glass mineral wool. Higher roof pitches require additional considerations.

280 x 16 4 480 sqft. 60 60 80 80 280 step 2. Below is how you would determine how much insulation is needed for a 60x80x16 metal building. A good metal roofing insulation material should therefore have superior convective and radiant barrier capabilities.

Rigid foam board is just above the roof deck or an exterior insulation option. We re going to look at the best insulation options for metal garages and steel buildings. The batts are located side to side on the rafter of the roof. Since it s self adhering it s an excellent option to insulate awkward shaped areas.

It typically has 3 variations. Fire retardant can be added to the mixture. Up to 6 r 19 can be used in a single layer appliction. Metal roof insulation options 1.

Avoids nails or screws which could penetrate the metal roof and cause leaks. Multiple thicknesses or layers can be combined in a double layer system to achieve high r values. Fiberglass insulation roll options when choosing metal building insulation there are several thicknesses or r value s to choose from ranging from 2 5 8 r 8 to 9 5 r 30.