Q. Can a second layer of shingles be added to a single layer of architectural shingles when the latter wear out? It seems the architectural shingles would be too lumpy, necessitating full tear-off ...

Q I have been getting estimates to replace the roof on our home. Some don't want to remove the shingles while others say they will not place new shingles over the old ones. The prices are several ...

Q: We need a new roof. A builder suggested overlaying over the existing layer of shingles. Is it wise to do this? My concern is how would we know about any underlying damage? I would appreciate any ...

MILWAUKEE — A new roof is a big purchase for any homeowner, and there is a cheaper alternative. Instead of tearing it off, some just add another layer of shingles. However, there are downsides to ...

Q: My garage roof has shingles that are worn and weathered. Under what conditions would it be advisable to lay a second layer of shingles over the existing layer? I would assume there are cost savings ...

Q: Our home is 23 years old and has a pitched roof with common shingles. The roof does not leak, but the shingles are starting to curl and are just plain ugly. We have received different opinions on ...

My garage roof has shingles that are worn and weathered. Under what conditions would it be advisable to lay a second layer of shingles over the existing layer? I would assume there are cost savings ...

Q. My garage roof has shingles that are worn and weathered. Under what conditions would it be advisable to lay a second layer of shingles over the existing layer? I would assume there are cost savings ...