Metal roofs have become increasingly popular for roofs of buildings as they have a durability and lightweight compared to roof s of traditional timber and roof tiles or concrete slabs. Their one major disadvantage is that they easily heat up and will make the enclosed space uncomfortable. This problem can be nullified by the use of insulated metal roofing.
Insulation provides a barrier to changes in temperature, and also help to give the roof panel an additional rigidity. There any many ways to insulate metal roofs. Either they can be pre-built into the roofing material or sprayed on, as in the case of spray foam insulation. Insulated metal roof panels will have a layer of insulation of between two sheets of metal. The thickness of the inner metal sheet is generally smaller than the outer metal sheet layer. Using spray foam insulation on an already constructed metal roof also acts to waterproof it.
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