Foam Insulation Board For Metal Roof

It s available in two types.

Foam insulation board for metal roof.

In order to add moisture barrier under metal roof you can spray the undersides of the roof by using a thick layer of polyurethane spray foam. Start at the bottom of the roof and place the first piece of rigid foam insulation against the metal flashing starting at the center line. Flat roof insulation installation the rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Cut each sheet to the desired size using a utility knife then fasten it in place using staples or adhesive.

Another option is double bubble insulation. Polyurethane spray foam metal roof insulation. Foil insulation is a radiant barrier and it works by. Avoids nails or screws which could penetrate the metal roof and cause leaks.

Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch. R matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation r matte plus 3 thermasheath 3 is rigid foam plastic thermal insulation board composed of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer. Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced. Use rigid foam insulation to cover wider spans of roof sheathing between joists.

It will help you to eliminate problems that may come when the house becomes extremely cold in the winter and terribly hot in the summer. 10 tall battens also seems like a bad idea. Vincent i live in a 100 year old adobe in northern utah and i installed a system of exactly what you describe except i put the roofing felt over the poly iso insulation and the metal roof is a modified standing seam from metal sales that has small corrugations that let a small amount of air to flow under the panel. My concern is for v5 structurally i don t think that i can just lay the battens atop the eps.

Some foam panel insulation is rigid enough to skip the step of installing a plywood sub roof but these materials are expensive and have weight load restrictions which can be an important consideration for roofs where snow can accumulate. Metal roofing attached to battens on eps martin i d like to attach 5v metal roofing to battens laid atop 10 of eps which would be on top of the osb sheathing. Closed cell spray foam which usually costs 1 to 1 50 per board foot and open cell spray foam which is within 0 44 to 0 65 per board foot.