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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
GAF Roof Installation in Long Beach: What to Know First
GAF roof installation in Long Beach typically runs $8,500 to $22,000 for a full tear-off and re-roof on an average single-family home, with most jobs completing in 3 to 5 working days once materials land. We’re an independent GAF service provider, not a GAF factory store, so our pricing reflects local labor and coastal code requirements rather than a national menu. This page is for Long Beach homeowners who already have GAF shingles or are weighing GAF against Owens Corning and CertainTeed, and want straight answers on cost, timeline, and what actually matters on a marine-layer roof. Call (562) 471-4832 and Dylan Pace or our crew will walk you through it.
How GAF Products Fail – and How We Fix Them
- Timberline HDZ granule loss along the eaves. In Long Beach, the morning marine layer means shingles stay damp longer than they do inland, and GAF’s Timberline HDZ series can shed granules faster on north-facing slopes where moisture sits. Granule loss is an early warning sign: the asphalt below starts oxidizing, then cracks. We catch this during tear-off and re-roofs, and when we re-roof we always add a correctly ventilated deck so the new shingles dry properly.
- Starter strip failures on Timberline UHDZ installations. The wider UHDZ tabs are heavier, and if a previous contractor skipped GAF’s required starter strip along the rake edges, wind-driven rain gets under the first course. We see this all the time on homes north of Ocean Boulevard where gusts come off the water. Our fix: we strip to the deck, inspect the drip edge, and always install the matching GAF starter shingle before the first full course goes down.
- Leak-barrier mistakes around skylights and chimneys. GAF recommends specific ice and water shield placements at penetrations, and on older Long Beach roofs we find installers used the wrong underlayment entirely. The failure shows up as ceiling staining inside the house a year or two after the roof was “new.” We cut all penetration flashing into fresh underlayment, not over it, so water never gets a path under the barrier.
- Misapplied adhesives on Timberline Solar shingles. Long Beach gets enough sun that solar shingles make real sense, but the adhesive bond on GAF’s Timberline Solar requires clean, dry, warm conditions to set. If a crew installed them on a cool, damp morning without cleaning the substrate, the bond never fully cures and panels lift within months. Our crews stage solar shingle work around the marine layer and check bond strength before we call a roof done.
- Ridge cap delamination on steep-slope re-roofs. GAF’s Seal-A-Ridge cap shingles have a flexible but laminated profile. If installed over an uneven ridge beam, they crack along the fold line as the house settles. We level and sister the ridge before capping so the cap lies flat and the sealant actually seals. On Long Beach’s 1920s and 1930s bungalows in Belmont Heights and Rose Park, that prep work is the difference between a 30-year ridge and a five-year leak.
Styles & brands we work with






Our GAF Roof Installation Process
- 1
Call and scheduling. A live person answers at (562) 471-4832. We schedule an assessment, and before Dylan or a crew member pulls into your driveway you’ll have their name and a tracking link showing arrival time. No four-hour windows.
- 2
Roof assessment. Dylan climbs up, photographs everything, and writes out what he sees: deck condition, underlayment, ventilation, flashing, and whether your existing GAF shingles are covered under any remaining manufacturer warranty. You get the assessment in writing.
- 3
Parts and material decision. We price GAF OEM first: Timberline HDZ, UHDZ, or specialty lines like Timberline Solar. Where OEM parts are backordered or priced unreasonably, we tell you before we substitute, and we only use aftermarket materials that meet or exceed GAF spec. Owens Corning and CertainTeed equivalents are available if you’d rather switch brands mid-job.
- 4
Written price. You receive a written, line-item price before any work starts. The number on the page is the number on the invoice. If we find hidden deck damage during tear-off, we stop, send photos, and get your approval before any additional charge.
- 5
Installation. Full tear-off, deck inspection, underlayment, flashing, GAF shingles installed to manufacturer spec, ridge cap, and ventilation. Photos before, during, and after.
- 6
Final walkthrough and guarantee. Dylan walks the roof with you or reviews the photo set, then hands you the 365-Day Done Right Promise in writing. Digital invoice sent by text. That’s The Relay Standard.
See the difference
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AfterWhat GAF Roof Installation Costs in Long Beach
Most Long Beach homes we re-roof with GAF Timberline HDZ fall between $9,000 and $16,000 for a standard 1,200 to 1,800 square foot roof. A simpler one-story bungalow with easy access can land near $8,500. If you’re going with UHDZ or Timberline Solar, expect $18,000 to $26,000 depending on slope and electrical integration. The price moves on four things: roof size and pitch, whether the existing deck passes inspection or needs sheathing replacement, how much flashing and penetration work is required, and whether you want the manufacturer-backed GAF warranty registration. We include tear-off, disposal, underlayment, and the 365-Day Promise in every quote. Call (562) 471-4832 for a written estimate. It’s free, and you’ll have it before anyone climbs a ladder.
Why Long Beach Homeowners Call Crestview Roofing Co Long Beach for GAF Work
Dylan Pace grew up in Los Angeles, learned roofing fundamentals at Los Angeles Trade-Technical College, and has been working Southern California roofs for the better part of two decades. He’s the kind of guy who climbs up, takes photos, and explains every line item on the estimate without being asked twice. The 365-Day Done Right Promise covers every repair and installation for a full year, in writing, and includes a free second visit if anything fails. We answer calls 24/7 with a live person, not a voicemail loop. And while GAF is a workhorse shingle for Long Beach’s coastal conditions, we also install Owens Corning and CertainTeed, so you get an honest comparison, not a brand loyalty pitch. If I wouldn’t put it on my own roof, I’m not putting it on yours.
FAQs
No. GAF warranties are tied to the materials and the installation method, not who installs them. As an independent GAF service provider, we install to manufacturer spec so your material warranty stays intact. Many Long Beach homeowners find our written 365-Day Promise adds a real local safety net that a national warranty can’t match for service speed. Call (562) 471-4832 to discuss warranty registration for your specific GAF product line.
Most tear-off and re-roof jobs with GAF Timberline shingles take 3 to 5 working days in Long Beach. Marine layer mornings can slow adhesive curing on specialty lines like Timberline Solar, so we stage those jobs around weather. You’ll have a written timeline in your estimate before any work starts. Call (562) 471-4832 for scheduling details.
If your GAF shingles are under 10 years old and damage is localized to one slope or a few penetrations, repair usually makes sense and we’ll tell you that. If granule loss is widespread across the eaves, or you have multiple seal failures, replacement becomes the cheaper long-term move. Dylan will show you photos of what he sees either way. Call (562) 471-4832 and we’ll put the assessment in writing.
We install Timberline HDZ, Timberline UHDZ, Timberline Solar, and the full Seal-A-Ridge accessory line. Each has different wind ratings, adhesive requirements, and warranty registrations, and we’ll explain the practical differences for your specific Long Beach roof rather than reading you a spec sheet. Call (562) 471-4832 for a breakdown tailored to your home.
Yes. Every GAF installation and repair is covered for 365 days, in writing, included at no extra cost. If something we installed fails within that year, we correct it at no charge, including a free second visit. You’ll get the promise on paper before you pay a cent. Call (562) 471-4832 and Dylan will walk you through exactly what’s covered.
Written by Dylan Pace, Owner, Crestview Roofing Co Long Beach at Crestview Roofing Co Long Beach, serving Long Beach and nearby areas.