Metal Roof Insulation Options

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

Metal roof insulation options. A good metal roofing insulation material should therefore have superior convective and radiant barrier capabilities. Metal roofing insulation is a green solution to reducing your heating and cooling costs. Spray foam is a large scale version of what comes out of a can. Bubble insulation is not reliable.

It typically has 3 variations. Rigid foam board is just above the roof deck or an exterior insulation option. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. Both materials make a great physical barrier between the interior building and the metal roof.

Metal roof insulation options 1. Avoids nails or screws which could penetrate the metal roof and cause leaks. 60 x 80 4 800 note. Your roof purlin spacing can vary but 5 on center and 8 inches in depth is common which is the available insulating area.

Since it s self adhering it s an excellent option to insulate awkward shaped areas. We re going to look at the best insulation options for metal garages and steel buildings. It s one of the most effective options for metal roofing and it s very easy to work with. 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.

Multiple thicknesses or layers can be combined in a double layer system to achieve high r values. Fiberglass batts offer one of the cheapest and easiest ways to insulate metal roofs. The batts are located side to side on the rafter of the roof. Up to 6 r 19 can be used in a single layer appliction.

It can be installed on old or new metal roofs without causing disruption or the need for reroofing. Fire retardant can be added to the mixture. 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. Radiant barrier insulation can be used in conjunction with thermal insulation or independently.

Each area is done independently because each requires a different formula. 280 x 16 4 480 sqft. Higher roof pitches require additional considerations. Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels.

Use rigid foam insulation to cover wider spans of roof sheathing between joists. Below is how you would determine how much insulation is needed for a 60x80x16 metal building. 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.