Insulating Tin Roofs

Polyurethane spray foam metal roof insulation.

Insulating tin roofs.

Lay the plywood perpendicular to the roof joists and. You can install fiberglass insulation against the metal roof and prevent moisture problems if you cover it with a vapor barrier. However it will add cost for the roofing. Layer building paper over the sheathing to help protect against moisture and leaks.

This foam can be used on either the outside or the inside of the sheathing. Insulating your metal roof will not only reduce the energy demands of your home but it will save the earth and reduce global warming. The best material for use with metal roof insulation is in the form of foam batting. Install plywood or oriented strand board osb to act as structural roof sheathing.

Overlap each sheet. Metal roof insulation will keep your home warm in the winter cool in the summer and significantly reduce your utility costs. Lay the insulation loosely over the purlin or truss structure the horizontal framework of beams helping to support the roof. You can always make an intricate fiberglass insulation system.

Step 2 pull the insulation so that it extends over the top plate of the wall. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass. Some homeowners choose to use unfaced fiberglass insulation batts. The panel attachment in combination with the purlin or truss structure will secure the insulation.