HAL #15 Perforated Felt, 36"

2_22601644
$0.00 / ROLL
Number 15 Perforated Felt is an asphalt roofing felt made of a specially formulated organic sheet which has been fully saturated with waterproofing asphalt. This sheet is perforated with small holes to permit release of vapours caused by hot asphalt during mopping-in as a ply in built-up roofing (BUR) systems. This felt is pre-conditioned to lay flat and remain stable during and after installation. Number 15 Perforated Felt is designed to be used as a ply sheet in hot-applied BUR roofing. It may also be used as a general purpose construction felt or as a cover sheet for curing fresh concrete where a controlled drying rate is required.
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