Metal Roof Insulation Options

The batts are located side to side on the rafter of the roof.

Metal roof insulation options.

Rigid foam board is just above the roof deck or an exterior insulation option. Radiant barrier insulation can be used in conjunction with thermal insulation or independently. Up to 6 r 19 can be used in a single layer appliction. Use rigid foam insulation to cover wider spans of roof sheathing between joists.

Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels. 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. The previous four options are all used beneath the roof. 60 x 80 4 800 note.

Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. 60 60 80 80 280 step 2. Bubble insulation is not reliable. Both materials make a great physical barrier between the interior building and the metal roof.

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. Spray foam is a large scale version of what comes out of a can. It s one of the most effective options for metal roofing and it s very easy to work with. Avoids nails or screws which could penetrate the metal roof and cause leaks.

Higher roof pitches require additional considerations. Each area is done independently because each requires a different formula. Multiple thicknesses or layers can be combined in a double layer system to achieve high r values. We re going to look at the best insulation options for metal garages and steel buildings.

Metal roof insulation options 1. Since it s self adhering it s an excellent option to insulate awkward shaped areas. Below is how you would determine how much insulation is needed for a 60x80x16 metal building. It typically has 3 variations.

Fire retardant can be added to the mixture. It can be installed on old or new metal roofs without causing disruption or the need for reroofing. Metal roofing insulation is a green solution to reducing your heating and cooling costs. 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.

A good metal roofing insulation material should therefore have superior convective and radiant barrier capabilities. 280 x 16 4 480 sqft. Very economical and effective when installed correctly batt and blanket insulation is processed made from mineral fiber typically of fiberglass or rock wool and may include a radiant barrier blocking the best for metal buildings.