Plastic Felt For Roofing

In our industry there are two main varieties of underlayment.
Plastic felt for roofing. Plastic round cap roofing nail 3 000 pack 11 x 1 1 2 in. Roofing felt also known as tar paper provides a protective underlayment over the roof deck and beneath the shingles. Electro galvanized steel roofing nails 30 lb pack 14 x 1 3 4 in. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events.
Is felt really that important and what is roofing felt anyway. When to use roof underlayment no matter what type of asphalt shingle you are using whether traditional or more robust styles such as under premium designer architectural and performance shingles it is recommended to use a underlayment. No 15 felt and no. Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage.
12 x 1 in. Use a construction stapler or a hammer. 5 penny stainless steel shake shingle nail 5 lbs. Felt paper also referred to as tar paper was the standard underlayment material in roofing for decades.
It was easy to use durable and even had alignment lines to help with the shingle installation. It also offers fire resistance required for home construction. Put fasteners at least every 8 inches. Roll out about 10 feet of felt and fasten with staples or roofing nails with plastic washer heads.
Item 169827 model 5003002. Felt roofing underlayment is typically available in two types. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. Pack 14 x 1 1 2 in 4d stainless steel shake shingle nail 5lbs pack price.
Item 656632 model 0903000. Having a layer of roof felt will block the resin preventing it from staining or compromising your roof shingles.