Insulating A Metal Porch Roof

The foil will reflect the heat from the roof and the foam will keep any cool air down you will also be able to keep the airspace which is absolutely essential with the steel roofing.

Insulating a metal porch roof.

This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass. Condensation can cause your ceiling to rot. If you re willing to invest some more consider an insulated porch roof. This foam can be used on either the outside or the inside of the sheathing.

The best material for use with metal roof insulation is in the form of foam batting. Thats why people use the ceramic deck screws. 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. The batts are located side to side on the rafter of the roof.

Lay the plywood perpendicular to the roof joists and fasten it in place using galvanized or stainless steel roofing nails. Ya the new pressure treated wood they took out arsnic and added more copper will eat through any metal. Both materials make a great physical barrier between the interior building and the metal roof. The insulation should fit snugly to prevent air from getting through.

This in turn prevents moisture condensation on the metal roof. Insulating a new metal roof step 1 install plywood or oriented strand board osb to act as structural roof sheathing. Large foam insulation sheets can be nailed directly against the floor above or held in place by chicken wire or other metal elements with the facing against the underfloor.