21.   Or, they are putting new shingles on roofs termed hopeless, from excessive damage or plain old age.

22.   Once you reach the maximum number of layers, you must remove one or all of the old layers before installing new shingles.

23.   Q. I am having my house re-roofed with new shingles, and I am getting a difference of opinion among roofers.

24.   Q. I had old shingles removed from my roof and new shingles installed.

25.   Roofers can put up new shingles with old flashing.

26.   Rip up the old shingles, replace the decking and patch in some new shingles.

27.   Shingles can be stripped and new shingles applied any time of the year, as long as it is not deluging rain or working up to a blizzard.

28.   Spread a liberal coat of roofing cement under the shingle, then slide a new shingle under the old one and on top of the layer of cement.

29.   Space the nails in shingles about a foot apart so each new shingle has four nails.

30.   Stage Right, the main theater, Haimes hinted, might also be willing to put up a new shingle for the right donor.