Should I repair or replace my roof?
Repair when the problem is local and the rest of the roof is sound: a split pipe boot, a lifted section of shingles, a flashing leak at one wall. Replace when damage or wear is spread across the roof, such as hail bruising on several slopes, brittle or curling shingles, repeated leaks in different places or soft decking in more than one spot. The age of the roof and what repairs have already cost push the decision one way or the other.
When a repair is the right call
A roof is a system, and most leaks come from one failed part of it. Rubber pipe boots, flashing where a roof meets a wall or chimney, and a handful of shingles lifted by wind are all repairs, even on an older roof. If the shingles around the problem still lie flat, keep their granules and bend without cracking, the rest of the roof has life left in it.
Repairs also make sense on a roof that is only a few years old, where replacing it would throw away most of its value, and on tile, slate and metal roofs, where individual pieces can be replaced far more easily than the whole roof.
When replacement is the better spend
Asphalt shingle roofs in North Texas commonly last somewhere around fifteen to twenty-five years, with heat and hail wearing them faster than the label suggests. Near the end, the signs are spread across the whole roof: granules washing away, edges curling or cupping, cracks in the tabs, and shingles that snap when lifted. A repair on a roof like that tends to create new leaks next to the patch.
Widespread storm damage is the other case. Hail that has bruised shingles across several slopes cannot be fixed one shingle at a time, and matching new shingles into an old roof rarely looks right. When a covered storm did the damage, insurance often pays for much of the replacement.
The math over a few years
Compare the price of the repair with what is left of the roof. Spending a meaningful share of a replacement’s cost on repairs to a roof that has only a few years left usually means paying twice. So does a series of repairs, each small, on a roof that keeps finding new places to leak.
Selling the house changes it too. Buyers and their inspectors look hard at the roof, and an old roof can cost more at closing than a new one would have.
Related questions
How long does an asphalt shingle roof last in Texas?
Commonly fifteen to twenty-five years, depending on the shingle, the ventilation and how much hail it has taken.
Can I replace just one side of the roof?
Sometimes, but matching the color and wear of the other slopes is difficult, and some carriers will pay for only the damaged slopes.
Does a new roof add value to a house?
It rarely returns its full cost in sale price, but an old roof can lower offers or stall a sale after the buyer’s inspection.
