Metal Roof Insulation Options

Avoids nails or screws which could penetrate the metal roof and cause leaks.

Metal roof insulation options.

The previous four options are all used beneath the roof. Spray foam is a large scale version of what comes out of a can. Both materials make a great physical barrier between the interior building and the metal roof. 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.

Multiple thicknesses or layers can be combined in a double layer system to achieve high r values. 60 x 80 4 800 note. 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.

Bubble insulation is not reliable. Metal roofing insulation is a green solution to reducing your heating and cooling costs. 280 x 16 4 480 sqft. Each area is done independently because each requires a different formula.

It s one of the most effective options for metal roofing and it s very easy to work with. Up to 6 r 19 can be used in a single layer appliction. The following are the basic choices for metal roof insulation materials. Since it s self adhering it s an excellent option to insulate awkward shaped areas.

Higher roof pitches require additional considerations. Radiant barrier insulation can be used in conjunction with thermal insulation or independently. Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels. Fire retardant can be added to the mixture.

A good metal roofing insulation material should therefore have superior convective and radiant barrier capabilities. 60 60 80 80 280 step 2. Metal roof insulation options 1. Below is how you would determine how much insulation is needed for a 60x80x16 metal building.

Fiberglass batts offer one of the cheapest and easiest ways to insulate metal roofs. We re going to look at the best insulation options for metal garages and steel buildings. Your roof purlin spacing can vary but 5 on center and 8 inches in depth is common which is the available insulating area. Use rigid foam insulation to cover wider spans of roof sheathing between joists.

Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive. It typically has 3 variations. 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.