Insulating A Metal Porch Roof

The insulation should fit snugly to prevent air from getting through.

Insulating a metal porch roof.

Ya the new pressure treated wood they took out arsnic and added more copper will eat through any metal. Metal roof insulation increases the temperature of the inside surface of the ceiling. 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. 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.

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. Both materials make a great physical barrier between the interior building and the metal roof. This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass. The batts are located side to side on the rafter of the roof.

The best material for use with metal roof insulation is in the form of foam batting. This foam can be used on either the outside or the inside of the sheathing. 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.

If you re willing to invest some more consider an insulated porch roof. Condensation can cause your ceiling to rot. Thats why people use the ceramic deck screws.