Roofing Services in Duarte, CA
Roof repairs, full replacements, storm damage, gutters, metal roofing, flat roofs. Duarte Roofing & Maintenance covers it all in Duarte. Licensed, insured, manufacturer-certified.
Roof Replacement
We replace roofs. It's what we do more than anything else. Our Duarte crews average 15-20 complete tear-off and replacements per month. That kind of volume means we've seen every situation: steep pitches, multiple layers, rotted decking, improper ventilation from the last guy. We fix all of it and install a roof system that's warranted for decades.
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Roof Repair
Missing shingles from wind damage expose the underlayment to UV degradation. If the underlayment is compromised, water intrusion follows the next rain. We don't just replace the missing shingle. We pull back surrounding courses, inspect the underlayment for UV damage and nail holes, replace compromised sections, and weave new CertainTeed Landmark or IKO Cambridge shingles into the existing field. Proper repair, not a patch.
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Storm Damage Repair
After every major storm in Duarte, out-of-town companies flood the area offering free inspections. They're not all bad, but many are. We're local, we're licensed, and we'll be here to honor the warranty. Storm chasers won't be.
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New Roof Installation
We handle new construction from permits through final inspection. Our Duarte office coordinates with your builder on scheduling, material delivery, and inspection timing. Typical install time is 1-3 days depending on size and complexity.
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Metal Roofing
Metal roofing works on pitches as low as 3:12 for standing seam and as low as 1:12 with specific underlayment and sealant requirements. Steep pitches look incredible in metal. We help you choose the right panel profile, material, and color for your Duarte home.
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Shingle Roofing
Architectural shingles are what we install on 90% of Duarte homes. They're thicker, heavier, and more wind-resistant than the old 3-tab flat shingles. They also look dramatically better. Dimensional profiles that mimic wood shake or slate. Standard architectural shingles carry a 30-year warranty. Premium versions go to 50.
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Flat Roofing
TPO single-ply membrane in 60-mil or 80-mil thickness, fully adhered or mechanically attached over minimum R-25 polyiso insulation. Hot-air welded seams tested with a probe at every joint. We install per NRCA and manufacturer specifications with tapered ISO insulation creating minimum 1/4" per foot positive drainage. Ponding water is the number one cause of flat roof failure in Duarte. Tapered insulation eliminates it. FM 4473 rated systems available for hail-prone areas. Fully warranted by Carlisle, Firestone, or GAF.
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Commercial Roofing
We install Carlisle SynTec and Firestone TPO membrane systems in 60-mil and 80-mil thickness over minimum R-25 polyiso insulation (more in climate zones requiring it). Seams hot-air welded at 900°F+ and tested with a seam probe. Fully adhered systems for wind uplift zones per FM I-90 or I-120. Mechanically attached for re-roofs over existing insulation. NRCA member, trained per manufacturer specifications.
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Gutter Installation
Clogged gutters cause fascia rot, soffit damage, and foundation erosion from concentrated water runoff. That's not a marketing scare tactic. We see the damage on every other gutter replacement in Duarte. Properly sized gutters with adequate downspout capacity move water away from the house. We calculate capacity using rainfall intensity data for Duarte: roof area x pitch factor x rainfall rate in inches per hour. Standard 5" K-style handles 5,520 square feet of effective roof area.
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Roof Inspection
Commercial and flat roof inspections include infrared moisture scanning with Flir E8 thermal cameras. Trapped moisture in the insulation layer shows as temperature differentials on the thermal image. No need to cut core samples everywhere. We identify wet zones, then core sample the suspect areas to confirm. This approach gives you a precise repair scope at a fraction of the cost of exploratory tear-offs.
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Emergency Roof Repair
We don't charge extra for emergency tarp jobs. The tarping cost is rolled into the permanent repair price. If you need us at midnight during a storm, the price is the same as a Tuesday afternoon.
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Skylight Installation
We install three types of skylights: fixed (sealed, just for light), vented (opens for airflow. Great for bathrooms and kitchens), and tubular (flexible tube through the attic. For tight spaces where a standard skylight won't fit). Each serves a different purpose.
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