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GAF GLASS PLY 4 5SQUARE/ROLL
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|Type||GLAS PLY 4, PLY|
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GAFGLAS® Ply 4 roofing felt is constructed with a strong glass fiber mat that is coated with the finest quality asphaIt, and is designed with optimum porosity to assure a sound, watertight membrane.
GAFGLAS Ply 4 is used as a ply felt in the construction of built-up roofs. It is designed for use in all climate zones and is appropriate for use as a base sheet, as a ply felt, and in the construction of flashing membranes.