11.   How can I make the new shingles look like the old?

12.   How much should the new shingles be exposed?

13.   If you glue it, slather roofing cement in the space, and slide the new shingle into place.

14.   If you nail it, nail right at the top of each slot in the new shingle, then slather roofing cement on each nail head.

15.   I would suggest, though, that when you put up the new shingles, put up corner boards, too.

16.   If an old roof is basically sound, roof replacement is usually done by nailing new shingles over the old ones.

17.   Is there any way to change the color without having to put up new shingles?

18.   Make sure the new shingle is the same size as the old.

19.   New solar shingles are made of a composite metal material covered with a laminate.

20.   On a retrofit, the insulation is installed under new shingles or clapboards.