New Roofs for Pasadena Homes: Timing, Materials and Process
Replacing a roof is not something you do often. These notes help Pasadena owners decide when it is time and what a good replacement includes.
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Signs the roof has reached its end
Curling or cupped shingles
Edges turning up or centers sinking mean the shingles have lost their flexibility.
Bald patches
Large areas with no granules leave the asphalt exposed to the sun.
Repeated leaks
When new leaks appear after each storm, the roof is failing in many spots at once.
Sagging lines
A wavy roofline can point to soft decking or problems in the framing below.
Light in the attic
Daylight through the boards means water can get in the same way.
Granules everywhere
Heavy granule loss in gutters shows the shingles are wearing out fast. See what happens if you wait too long to replace a roof.
The Pasadena picture
Half of the homes in Pasadena were built before 1977 (U.S. Census Bureau, American Community Survey 2020-2024). Many have been reroofed, but some carry two layers of shingles, which hides the condition of the deck. A full tear-off lets the crew see and replace bad boards instead of covering them again. It also gives a chance to fix attic ventilation, which affects how long the new shingles last.
Hail is part of the decision too. NOAA's Storm Prediction Center counted 7 hail reports of 1.75 inches within 10 miles of Pasadena from 2015 through 2024, spread across 2019, 2023 and 2024. The largest stones were 1.75 inches, first reported on May 9, 2019. A roof that has been through more than one of those years may have damage that is not obvious from the street.
About 54 percent of Pasadena homes are owner-occupied (same Census source). For owners, a replacement also matters at resale. Our article on whether a new roof increases home value in Texas looks at that question.
What a complete estimate should list
Tear-off of all existing layers and disposal.
Replacement of damaged decking, priced per sheet or per area.
Underlayment type and where ice and water barrier goes, if used.
Drip edge, valley metal and flashing at walls and chimneys.
Ventilation: ridge vents, intake vents or both.
Shingle brand and line. GemSco is an elite contractor for Owens Corning and GAF.
Cleanup and magnetic sweep for nails. Compare bids with how to compare roofing estimates after storm damage.
From signed estimate to finished roof
Material order
Shingles, underlayment and flashing are ordered for your roof's measurements.
Prep
Yard, driveway and landscaping are protected.
Tear-off and deck repair
Old roofing comes off, and soft or broken boards are replaced.
Install
Underlayment, flashing, shingles, ridge and vents go on in order.
Walkthrough
The roof and yard are checked with you before the job is closed. Any questions about the work are answered on the spot.
Coastal coverage and paying for the job
Pasadena is mainly in Harris County. Only the part of the city east of State Highway 146 falls inside the TWIA catastrophe area. If your home is there and carries TWIA coverage, roof work generally needs windstorm inspection and a WPI-8 certificate from the Texas Department of Insurance.
Financing is available, and GemSco offers discounts for military, first responders and seniors. See roof financing and roofing in Pasadena. Estimates are free.
Frequently Asked Questions
Can new shingles go over the old ones?
In some cases codes allow a second layer, but it hides the deck and adds weight. On older Pasadena homes, a full tear-off is usually the better choice because it lets the crew find and replace soft boards. It also gives the new shingles a flat surface to seal against.
What is the best time of year to replace a roof?
Spring and fall are popular because the weather is milder, but roofs are replaced all year in Texas. Rain delays and summer heat affect scheduling more than the calendar itself. Our guide to the best time of year to replace a roof in Texas explains the trade-offs.
Do I need a WPI-8 if I live in Pasadena?
Only if your home is in the part of Pasadena east of State Highway 146 and you have TWIA coverage, or plan to. The rest of the city is outside the TWIA catastrophe area. If you are not sure which side you are on, check with your insurance agent.
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