30 Lb Asphalt Roofing Felt
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15 type ii no.
30 lb asphalt roofing felt. The best weight for roofing felt is the 30 pound product because it provides thicker and stronger footing for. No 15 felt and no. Thirty pound felt is more thick and stiff than fifteen pound so thirty pound is more resistant to damage during installation and can protect the roof longer if. 30 asphalt saturated felt complying with astm d 226 astm d 4869 or astm d 6757.
Organic dry felt is made from 100 post consumer recycled material. Felt roofing underlayment is typically available in two types. What is roofing felt. 30 saturated felt underlayment is specified for use as an underlayment between the roof deck and the shingles.
Many canadian roofing contractors use general underlays while others do not. It s created by saturating paper or fiberglass mat with asphalt. Oakridge pro30 shingle instructions. Asphalt saturated heavy duty roofing felt is available in 15 and 30 pound weights.
15 pounds per hundred square feet and 30 pounds per hundred square feet. The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection. Felt is commonly sold in either 15 or 30 rolls measuring 36 inches wide. This 30 felt roof deck protection provides a layer of protection between your shingles and roof deck.
Item 656632 model 0903000. Of course it is a bit more technical than that but this is the basic idea behind how felt works. Generally speaking roofing felt is a felt paper that is soaked in asphalt and other water resistant compounds to produce a membrane. Roofing asphalt saturated felt is a blend of cellulose polyester bitumen and asphalt soaked in a waterproofing agent.
It comes in two thicknesses. The felt helps prevent wind driven rain from causing damage to your roof structure and home. 15 astm 4869 type i is an authentic 15 astm 4869 type i is an authentic asphalt saturated organic felt underlayment is used as a breathable secondary weather resistant barrier when applied over the roof deck prior to the installation of the primary roofing product. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events.
Canadian building codes do not require general full roof underlays under roof shingles. Non perforated type i no. For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights. 30 felt type construction helps provide an extra layer of protection between your shingles and your roof deck not included.
The roof felts are asphalt saturated and are manufactured with a high grade organic mat.