Replacing a Roof in Forest Hill: Timing, Materials and the Deck Underneath
A new roof is a big decision. On a house built decades ago, what is under the shingles matters as much as the shingles you pick.
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Signs it is time for a full replacement
Shingles are curling, cracking or bald across several slopes. See why shingles curl, crack or fall off.
You have repaired the same roof more than once in a short period.
The roof line sags or the decking flexes when walked on.
Large hail left bruises over most of the roof, not a single area.
Daylight shows through the boards in the attic.
Why Forest Hill roofs face this sooner
Half of the homes in Forest Hill were built before 1971, and 72 percent are owner-occupied (U.S. Census Bureau, American Community Survey 2020-2024). Most owners will live under the next roof for years, so the decision is about the long run, not a quick sale.
Hail is the other factor. NOAA's Storm Prediction Center counted 22 reports of hail 1.75 inches or larger within 10 miles of Forest Hill from 2015 through 2024. The largest was 3 inches, on March 16, 2023, and large hail appeared in 5 of those 10 years: 2016, 2018, 2020, 2023 and 2024. A roof that has been through several of those seasons may be worn out even if it is not very old.
Repair or replace: weighing it honestly
A roof does not have to be old to need replacing, and an old roof is not always finished. The question is how much of the surface is still sound. If damage is limited to one slope or a few spots, a repair can make sense. If wear and hail marks are spread across the whole roof, patching tends to chase leaks from one storm to the next.
On older Forest Hill homes, the cost of a repair also has to account for what is underneath. Every repair opens the roof a little. When the decking around it is soft, a full tear-off is often the cleaner fix. Our guide on what happens if you wait too long to replace a roof covers the risks of putting it off.
Material choices for a Forest Hill home
Asphalt shingles
The most common choice. Impact-rated Class 4 shingles, tested to UL 2218, are built to handle hail better than standard ones.
Metal
Long-lasting and light. Compare it in asphalt shingles vs. metal roofing in Texas.
Stone-coated steel
The look of shake or tile with a steel base. It weighs less than tile, which matters on older framing.
Tile and wood shake
Both suit certain home styles. Tile is heavy, so the structure has to be checked first.
What happens on replacement day
Tear-off
The old layers come off down to the deck. On an older home this is the first time anyone sees the boards in years.
Deck repair
Rotten or broken sections are replaced so the new roof has a solid base. The estimate explains how this is handled.
Underlayment and flashing
New underlayment, drip edge and flashing go in. Read why roof underlayment matters.
Shingles and ventilation
The new roof goes on with vents sized for the attic.
Cleanup and walk-through
Nails and debris are picked up and you see the finished work.
Planning the cost
GemSco gives free estimates in writing and financing is available. Discounts are offered for military, first responders and seniors. See roof financing and our guide on how to budget for a roof replacement. If hail caused the damage, start with hail damage roof repair in Forest Hill. More on the service at roof replacement.
Frequently Asked Questions
Can a new roof go over the old shingles?
Some codes allow a second layer, but on an older home it hides the decking you most need to see. A tear-off shows rot, gaps and old repairs so they can be fixed before the new roof goes on. It also keeps the weight on the framing lower. We explain both options in the estimate.
Will my older house need new decking?
Not always. Many decks are sound after decades. Some have soft spots near the eaves, around chimneys or under old leaks. We cannot know until the shingles come off, so the written estimate explains how deck repair is handled if we find damaged boards.
Are Class 4 shingles worth it in Forest Hill?
With 22 reports of 1.75-inch or larger hail within 10 miles from 2015 through 2024, impact resistance is worth weighing. Class 4 shingles are tested to UL 2218. Some insurers treat them differently, so ask your agent how they would affect your policy before you choose.
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