15 roofing paper was the original underlayment for everything.
Tar paper roof underlayment.
Synthetic underlayment started gaining popularity in the last decade.
For pricing and availability.
It was easy to use durable and even had alignment lines to help with the shingle installation.
There are better products but hd does not stock them in every store because everyone uses this 15 roofing tar paper.
Ft to the compare list.
Fyi 30 roofing paper is too thick to use as an underlayment and is no better.
Felt paper also referred to as tar paper was the standard underlayment material in roofing for decades.
Roofing felt also known as tar paper serves as both an extra layer of protection between the shingles and the plywood and as a temporary moisture barrier until all the shingles are in place.
Paper mat 5 polymer modified asphalt 2 polymeric asphalt surface 1 polyolefin 1.
Click to add item 15 asphalt felt 3 x 144 roofing underlayment 432 sq.
United roofing gator skin synthetic roof underlayment 42 in x 285 8 ft 1 000 sq ft synthetic roof underlayment.
Sometimes called roofing felt underlayment roofing tar paper or roll roofing this is a layer of protection installed between the roof deck and the roofing shingles.
Some roofers prefer to attach felt underlayment with 1 inch roofing nails or special nails with plastic washers but most codes allow staples which are easier to drive.