Metal Roof Insulation Options

The following are the basic choices for metal roof insulation materials.

Metal roof insulation options.

Avoids nails or screws which could penetrate the metal roof and cause leaks. Each area is done independently because each requires a different formula. Higher roof pitches require additional considerations. 280 x 16 4 480 sqft.

Below is how you would determine how much insulation is needed for a 60x80x16 metal building. Metal roof insulation options 1. Use rigid foam insulation to cover wider spans of roof sheathing between joists. Up to 6 r 19 can be used in a single layer appliction.

Both materials make a great physical barrier between the interior building and the metal roof. Rigid foam board is just above the roof deck or an exterior insulation option. 60 x 80 4 800 note. Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels.

Bubble insulation is not reliable. It typically has 3 variations. 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. 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. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. Multiple thicknesses or layers can be combined in a double layer system to achieve high r values. The previous four options are all used beneath the roof.

Since it s self adhering it s an excellent option to insulate awkward shaped areas. Metal roofing insulation is a green solution to reducing your heating and cooling costs. Fire retardant can be added to the mixture. A good metal roofing insulation material should therefore have superior convective and radiant barrier capabilities.

Your roof purlin spacing can vary but 5 on center and 8 inches in depth is common which is the available insulating area. 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. 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. It s one of the most effective options for metal roofing and it s very easy to work with.

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.