Not every problem on a 25- or 30-year-old roof means a new one. A handful of lost tabs, a cracked pipe collar or a lifted ridge cap is a half-day repair, and the honest question is whether the rest of the roof is worth repairing around.
If water is already showing on a ceiling, start with leak repair; the stain and the entry point are rarely in the same place.
The city's handout sets the line by area: a permit is required for re-roof work exceeding 25% of the roof area.
Individual replacement shingles have to carry at least a Class C rating, and unpackaged seconds are not permitted on any job.
Source: City of Plano Building Inspections, “Re-Roof Residential Permit Requirements,” form revised September 16, 2016. Confirm current requirements with the city before work starts.
So a true repair normally sits under the permit threshold, and a “repair” that keeps growing across a slope can cross it. A contractor who works in Plano will tell you which side of the line the job is on before starting, not after.
Old shingles have to bend to let a new one slide in. If they snap, each repair makes two more.
Bare, shiny patches mean the weathering layer is spent. A patch fixes one spot on a roof that is failing everywhere.
At that point the money is better put toward a replacement, and an inspection will say so in writing.
A buyer's inspector or an insurer will look at the whole roof, not the patch. Better to know first what they will see.
Close, rarely exact. Shingles fade, and a product line from the 1990s may no longer be made. On a back slope that seldom matters; on the front it is worth asking to see a sample against the roof first.
The city's handout requires a re-roof permit when work exceeds 25% of the roof area. A repair below that is normally outside it. The contractor confirms for the specific job, and Plano Building Inspections answers the question directly at 972-941-7140.
Call (972) 526-0131 and describe what you can see from the ground. An active leak is treated as urgent; a cosmetic problem is scheduled.
Describe it over the phone or in the form, with the build year if you know it.
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