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May 27, 2025

5 Common Roofing Mistakes Homeowners Make, and How to Avoid Them

Most expensive roof problems we see did not start expensive. They started with one of these five mistakes.

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1. Skipping inspections

Many homeowners only think about the roof when it leaks. By then water has usually been getting into the decking and insulation for a while. In North Texas, where hail can damage a roof without leaving anything visible from the ground, skipping inspections can also mean missing the window to file an insurance claim.

Instead: have the roof inspected once a year and after any significant hail or wind.

2. DIY roof repairs

Climbing on the roof is risky, especially on steep pitches or in summer heat. And a patch done wrong can channel water into the house, void the shingle warranty, or make storm damage hard to prove to an insurer.

Instead: keep your DIY to what you can do from the ground and the attic, like cleaning gutters, watching for stains and checking the attic with a flashlight. Leave work on the roof to a roofer.

3. Hiring the cheapest bid

A low bid often means something is being skipped: reusing old flashing and vent boots, leaving out leak barrier in the valleys, or shingling over the old roof instead of tearing it off. Those shortcuts show up as leaks a few years later.

Instead: compare bids item by item. Ask whether flashing and vent boots are being replaced, what underlayment is used, what decking replacement costs, and what the workmanship warranty covers.

4. Ignoring attic ventilation

A hot, poorly ventilated attic bakes shingles from underneath and traps moisture that rots the decking. It can also void a manufacturer's shingle warranty. It is easy to overlook because you never see it.

Instead: ask your roofer to check that intake vents at the soffits and exhaust vents near the ridge are balanced and not blocked by insulation. Fix it when you replace the roof.

5. Waiting on small signs

A few granules in the gutter, a small stain in a closet ceiling, one shingle in the yard. Each one is easy to put off. Each one can mean water is starting to get in.

Instead: treat small signs as a reason to get an inspection, not a reason to wait and see.

Bonus: not reading your warranty

Roof warranties come in two parts. The manufacturer covers defects in the shingles. The contractor covers installation. Many homeowners do not know what either covers, or that some manufacturer warranties require registration or proper ventilation to stay valid. Get both in writing and keep them with your house records.

Avoiding all five

A roofer you can call, an inspection once a year and after storms, and small problems fixed early cover most of it. We are in Justin and inspect roofs across DFW for free. Call (855) 741-ROOF.

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