For example, if you had a batch file called stuff.bat and you typed stuff a b c d at the command prompt, the letters a, b, c, and d would be assigned to the variables %1, %2, %3, and %4, respectively.
Fiberglass shingles generally have a longer life expectancy than do asphalt shingles. Properly installed tiled roofs have a normal useful life of 20-30 years or longer, but individual pieces can become cracked or broken or the nails rust out.
Once you move, the warranty is null and void to the new owner. Nothing in the 30-year shingles has changed so they will not last a lifetime, you can take that to the bank. They will last 30 years at best. The 20-year shingles are the old school shingles you saw on your Grandmaâs house back in the 50s. They are called 3-tab shingles because they have 3 tabs for each shingle.