Q: Could you enlighten me on re-roofing an older home? Ours has three layers of shingles which will have to be removed. My question is: Should the old nails be pounded through to the surface or should ...

Q. Do you have an opinion on open vs. closed roof valleys? I’ve had six estimates done, and all of the higher estimates cite open valleys (with a metal flashed valley), while the lower estimates cite ...