The two most common types of insulation fiberglass batts and blown in cellulose loose fill are vulnerable to attic water damage in two specific ways.
Water insulation roof.
Expanded polystyrene or xps extruded polystyrene or eps and polyisocyanurate or polyiso are the three main types of rigid closed cell insulation materials.
Low water absorption capacity 10 lightweight 3 closed cell foam structure direct contact allowed to pvc single ply membrane suitable for adhered roof systems suitable for ballasted roof systems suitable for green roof systems suitable for use with liquid applied membranes lam 4 insulation boards with rebated edges.
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Loss of insulating value.
Waterproof rigid insulation is used on roofs.
Introducing a stone wool roofing insulation and coverboard in one.
Adding protection in this way can diminish energy waste by 25 45.
Insulation and cover boards.
Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other.
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Rigid roof insulation board.
Insulation in the attic is often the first victim when roof leaks occur or when plumbing pipes routed through the attic leak.
This translates to about a five to ten percent decrease in your electricity bill due to the energy used to heat water alone.
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Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house.
By including a layer of stone wool insulation within your roof system your building will benefit in more ways than one.
Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.
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Each type is used in a variety of applications and under conditions where resistance to water and moisture is critical.
Roofing products commercial roofing products insulation and cover boards.