15 Lb Felt Paper Vs Synthetic
Long ago a 15 role actually weighed 15 pounds but over the years that has changed.
15 lb felt paper vs synthetic. Installed on top of the decking but under the shingles underlayment is in place to keep any water that gets past the shingles. Some thinner products are actually cheaper than felt but dale walton a product manager at certainteed warns against going too thin. This means that 100 square feet of the felt weighs 15 pounds.
The cost of the thinner synthetics right now is comparable to a high quality 15 pound felt but still more expensive than the cheaper felt. Felt 15 pound 5 cents per square foot. The lowest thickness is 15 pound felt.
Tar paper comes in two different weights or thicknesses. It s created by saturating paper or fiberglass mat with asphalt. A rough estimate per square foot is.
This weight of tar paper may tear and tends to create holes around the roofing nails. The 30 pound roofing felt stays intact whereas 15 pound tar paper may not. No 15 felt and no.
Felt 30 pound 10 cents per square foot. According to dyami plotke a manager at roof services in islip n y. Thicker synthetics cost about 30 40 more.
Of course it is a bit more technical than that but this is the basic idea behind how felt works. Synthetic underlayment for your roof. Syn thetic underlayments cost more than twice as much as 15 felt usually between 11 and 15 per sq.
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