Look up close to them and see how much sand they have, you aren't supposed to be able to see the bottom layer which is made of black tar. So if you can see tar anywhere than they are probably pretty old.
Asphalt shingles typically last between and 15 and 30 years. It varies depending on the quality of your asphalt shingles
form_title= Asphalt Shingles form_header= Put a new roof on your home with asphalt shingles. What color shingles do you need? *= _ [50] What size shingles do you need?*= _ [50] Are you replacing a whole roof?*= () Yes () No How old is the roof?*= _ [50]
26 shingles in a bundle of three tab asphalt shingles
To determine how many asphalt shingles are needed for 160 square feet, you first need to know that a standard bundle of asphalt shingles typically covers about 33.3 square feet. Therefore, to cover 160 square feet, you would divide 160 by 33.3, which equals approximately 4.8 bundles. Since you can't purchase a fraction of a bundle, you would need to buy 5 bundles of asphalt shingles to ensure complete coverage.
or fiberglass ? Depends where you live, determines what shingles to use.
everything burns.
Depends on the shingle. Is it a 25 year or fifty year. Asphalt or fiberglass?
Yes.
All shingles fade after time
Perhaps, but not guaranteed. Tile is generally much heavier than asphalt or "composition" shingles. If you're concerned, have a roofing contractor to evaluate your roof.
An inexperienced handyman.
Most asphalt shingles have a strict nailing schedule so the shingles are secure but don't leak. I have included a link to an illustration for an asphalt shingle nailing schedule below.