When a roof-over can be considered
One existing layer, no sagging or soft spots, flashing that can be renewed properly, and a structure comfortably carrying the extra weight. It saves the tear-off and disposal cost today, which is its main appeal. A contractor still needs to check the deck from the attic and confirm what your city allows before promising it.
What a roof-over hides
- Rotten or cracked decking stays hidden and keeps rotting under two layers
- Old flashing problems get buried instead of fixed
- New shingles follow every bump of the old roof and can wear unevenly
- The added layer traps more heat, which matters in a Texas summer
- Manufacturer warranties may be reduced for roof-over installations
It also complicates the next replacement: two layers cost more to remove, and most codes will not allow a third.
Our honest recommendation for Huntsville homes
For a home you plan to keep, tear-off plus a deck inspection is money spent where it counts, as explained on our old roof replacement page. A roof-over can make sense as a shorter-term fix on a sound deck, as long as you choose it with open eyes. Compare both in writing using our repair vs. replacement guide.
Related: Old Roof Replacement Roof Repair or Replacement Roof Replacement in Huntsville, TX