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When re- roofing is it best to use ply and felt or just felt?
15 lb felt is all you need.
How thick is 30 pound roofing felt?
15# felt is about .030 and 30# felt is about .062..
Is it common to use a form of Kodak paper underneath hardwood floors?
Most people just put 15-lb roofing felt under it.
How much plywood for a 23 square roof?
When talking roofing materials. A square is considered a 10'x10' area or a 100 square feet. So you have 1,900 square feet. There are two basic types of felt: 15lb and 30lb felt. 15lb felt covers 4 sq= Total needed will be 5 rolls 30lb felt covers 2 sq= Total needed will be 10 rolls (*note, 30lb is more thick and better for your roof.
40 lb is what percent of 75 lb?
53.33%
How many roofing nails in a 5 lb box?
approximately 1000 nails 1-1/4
Which is bigger 40 oz or 4 pound?
4 lb is BIGGER. There are 16 ozs in a pound, so 40 oz = 2.5 lb, which is SMALLER than 4 lb.
What is the difference between 15 pound and 30 pound felt paer for roofing?
the best reason i can think of is the 30lb felt is denser and when applied over and uneven, older pine roof boards or plywood the density would be able to cover blemishes in the sub roof. Splinters from old nail removal, or other slight imperfections. Ice guard as used in freeze areas is also more durable to puncture...The need to lay the 30lb felt with little or no wrinkles also makes for smooth runoff. the use of correct material is important when the pitch of the roof is reduced hope this helps. jerome
What does 40 stone equal to?
40 st = 560 lb
Which is better 15 or 30 pound roof paper?
it depends on the shingles, regelar 3 tab shingles use 15 lb felt, archatectual requires 30 lb felt and sheet metal requires 30 lb felt. but always check on the shingle package and your local building codes for specs
How much is 40 lb in oz?
40 pounds is 640 ounces.
How much does a roll of felt cover?
15 lb. 400 sq. ft. 30 lb. 200 sq. ft.
