Reflective Insulation Under Metal Roof

Attach furring material onto the metal roof.

Reflective insulation under metal roof.

You can install fiberglass insulation against the metal roof and prevent moisture problems if you cover it with a vapor barrier. Water trapped between fiberglass insulation and the exterior of a building will also cause mold fungus growth rust and oxidation conditions that will degrade the metal and shorten the service of the structure. The reflective side of the insulation should be facing the open air space. Some types of metal.

Fiberglass batts or glass mineral wool metal roof insulation. Cut panels on roof. Begin at the gable and start unrolling the first row from the ridge to eave on top of the furring material. The batts are located side to side on the rafter of the roof.

Foil insulation is a radiant barrier and it works by reflecting heat from the metal but for it to do its job there has to be a layer of air between the roofing and the foil. The most common material used for an insulating metal roof is fiberglass batts or glass mineral wool. Our products are recognized for their thermal performance easy installation versatility and price. Under metal roof insulation that loses r value due to moisture once fiberglass insulation gets wet and it will get wet due to condensation it will lose r value.

This reduces the need to go up and down the ladder for tools pieces of insulation and making measurements. Make all cuts to the foam panels on the roof for more accurate cuts and quicker placement. Leave gaps between panels. Reflectix insulation products are a technologically advanced insulation material ideal for new construction or retrofit applications in commercial industrial metal and post frame buildings.

Some homeowners choose to use unfaced fiberglass insulation batts.