Reflective Insulation Under Metal Roof

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Reflective insulation under metal roof.

Some types of metal. Attach furring material onto the metal roof. Both materials make a great physical barrier between the interior building and the metal roof. Begin at the gable and start unrolling the first row from the ridge to eave on top of the furring material.

Cut panels on 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. Fiberglass batts or glass mineral wool metal roof insulation. The batts are located side to side on the rafter of the roof.

Leave gaps between panels. Make all cuts to the foam panels on the roof for more accurate cuts and quicker placement. Reflectix insulation products are a technologically advanced insulation material ideal for new construction or retrofit applications in commercial industrial metal and post frame buildings. 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.

Measure roof dimensions and pre cut the insulation as needed. This reduces the need to go up and down the ladder for tools pieces of insulation and making measurements. The most common material used for an insulating metal roof is fiberglass batts or glass mineral wool. 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.

Before doing any work with the metal roof insulation you should have it brought up onto the roof.