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Tamko Roof Installation in Los Angeles: What to Know First
We install Tamko roofing systems throughout Los Angeles as an independent Tamko service provider, and most full installations wrap up in two to five working days depending on roof size, pitch, and decking condition. Expect to pay between $9,800 and $24,000 for a complete Tamko tear-off and re-roof on a typical Los Angeles home, with the final number set by square footage, layers to remove, and which Tamko line you choose. If you’re in Highland Park, Encino, or anywhere across the LA basin and want a straight number before anyone climbs a ladder, call (213) 521-8272 for a free written estimate.
This page is for homeowners who already have Tamko shingles on their roof, or who are weighing Tamko against other brands for a new installation. We’ll walk through the Tamko lines we see most often in Los Angeles, how they fail, what we do differently on a Tamko job, and what you should expect to pay. No brand evangelism here, just what 25 years of roofing across this city has taught us.
How Tamko Products Fail – and How We Fix Them
- Heritage series granule loss after wildfire seasons. Los Angeles sees enough ember drift and ash buildup that Tamko Heritage shingles on homes near the foothills (La Cañada, Tujunga, parts of the 2 corridor) sometimes show premature granule shedding as early as year six or seven. The cause is usually ash acidity eating at the granule seal, not a manufacturing defect. Before we install a new Tamko roof, we inspect the existing deck and underlayment for heat damage; if we’re re-roofing over an older Tamko system, we always replace the underlayment rather than layer over it.
- Elite Glass-Seal cracking at the nail line on steep pitches. Tamko Elite Glass-Seal shingles perform fine on the gentle slopes common in the Valley, but on steep hillside homes in Silver Lake and Mount Washington we occasionally see nail-line cracking when the original installer over-drove fasteners. That’s an installation failure, not a Tamko failure. Our fix on a new Tamko installation is the same every time: hand-driven or torque-limited fasteners at the prescribed depth, and we check the manufacturer’s fastener pattern before nailing a single shingle.
- Lamarite slate composite warping near the coast. Tamko Lamarite synthetic slate and shake look sharp, but sustained salt fog in Venice, Playa del Rey, and San Pedro can accelerate edge curl if the product was originally installed with non-stainless fasteners. When we install Lamarite within three miles of the coast, we use marine-grade stainless fasteners and we call that out in writing on the estimate so the warranty stays intact.
- Titan XT sealant strip separation in high-heat summers. Los Angeles roof surfaces routinely hit 140 to 150 degrees in July and August, especially on south-facing exposures in Woodland Hills and Sherman Oaks. Tamko Titan XT’s sealant strip can de-bond early if the shingles were installed in cold weather without proper thermal activation. We install Tamko in weather conditions that let the sealant set correctly, and we verify seal on a sample section before we load in the bulk of the material.
- MetalWorks stone-coated steel corrosion at the cut edges. Tamko MetalWorks panels are popular in fire-prone zones, but cut edges exposed to Los Angeles’s winter rain and morning marine layer can show surface corrosion within a few seasons if sealant wasn’t applied to the cuts. On every MetalWorks installation we make, we touch up every cut edge with Tamko-approved sealant before the panel goes down. It takes an extra hour and it’s why our MetalWorks roofs in the hills look right at year five.
Styles & brands we work with






Our Tamko Roof Installation Process
- 1
The roof walk and written price. We go up, measure, photograph, and check the deck from the attic side where we can. You get a written line-item price before anything is ordered. No work starts without it.
- 2
Parts decision: OEM vs. quality aftermarket. For Tamko roofs under warranty, we use Tamko-manufactured ridge caps, hip shingles, and starter strips so the warranty terms hold. For out-of-warranty Tamko systems, we’ll tell you honestly if an aftermarket vent boot or lead jack saves money without cutting corners, and we’ll put that choice in writing.
- 3
Deck and underlayment prep. We replace rotted or delaminated deck sections, sweep and clean the deck surface, and install new synthetic or felt underlayment. Los Angeles code requires specific underlayment for the wildfire urban interface zones, and we know which neighborhoods that applies to.
- 4
The Tamko installation. Shingles go on per Tamko’s published fastener pattern and the Los Angeles Department of Building and Safety requirements for the exposure. We stagger seams, set flashing, and install drip edge at the eaves and rakes. Every vent, penetration, and valley gets hand-detailed.
- 5
Cleanup and nail sweep. We run magnetic nail rollers across the yard, the driveway, and the surrounding walkways. Our techs walk the property line with you before we load the truck.
- 6
The 365-Day Done Right Promise. Every Tamko installation we complete carries our written 365-day guarantee. If something isn’t right within that year, we come back and make it right.
See the difference
Before
After
Before
After
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AfterWhat Tamko Roof Installation Costs in Los Angeles
| Tamko Roof Installation Scenario | Typical Los Angeles Price Range |
|---|---|
| Heritage series, single-story ranch, 1,500 sq ft, single layer tear-off | $9,800 – $13,500 |
| Elite Glass-Seal, two-story home, 2,200 sq ft, two layers to remove | $14,000 – $19,000 |
| Lamarite synthetic slate or shake, 1,800 sq ft, steep roof | $18,500 – $27,000 |
| MetalWorks stone-coated steel, 2,000 sq ft | $22,000 – $34,000 |
| Deck repairs, underlayment replacement, gutter or flashing work | Added to base roof cost or billed at $65 – $90 per deck board |
What moves the price: number of existing layers, roof pitch (anything over a 7:12 takes staging and more labor), deck condition under the old shingles, and whether the home sits in a wildfire-urban-interface zone that requires a specific underlayment assembly. Call (213) 521-8272 and we’ll send a technician to walk the roof, measure, and give you a written number. No change orders down the road.
Why Los Angeles Homeowners Call Mercer Roofing Co Los Angeles for Tamko Work
Before our technician arrives, you’ll get their name and photo sent to you. They’ll be in a clean uniform with a photo ID badge at the door. That’s the Threshold Verified standard, and it’s the same on every call we run in Los Angeles. If you’re home with young kids, or if opening the door to a contractor you’ve never met feels like a leap of faith, that badge and that photo are the difference.
We also work with GAF, Owens Corning, and CertainTeed systems alongside Tamko, so when a Los Angeles homeowner calls about a Tamko roof, our advice isn’t tethered to one brand. If your Tamko roof has a few more seasons and needs a repair instead of a replacement, we’ll tell you that. If a patch of flashing is doing the real damage and the shingles are fine, we’ll quote the flashing. Grant Whitlock started Mercer Roofing Co Los Angeles with a simple rule: tell the homeowner the truth about their roof and the price follows. A roof should be the last thing on your mind, let’s keep it that way.
FAQs
No, as long as the installation follows Tamko’s published fastener pattern, underlayment requirements, and accessory specs. As an independent Tamko service provider, we install to those specifications and keep a photo record of the underlayment and flashing work so you have documentation if a warranty question ever comes up. Call (213) 521-8272 and we’ll walk you through what that documentation looks like.
Most Tamko roof installations in Los Angeles take two to five working days from tear-off to final nail sweep, depending on roof size, pitch, and how many old layers need to come off. Weather interruptions are rare in Los Angeles except for the winter rain weeks, and we plan around those. Call (213) 521-8272 for a schedule estimate on your specific roof.
Often yes, if the shingles themselves are intact and the problem is a flashing failure, nail pop, or a localized leak around a vent or valley. We’ll tell you honestly if a patch will hold or if the roof is reaching the end of its useful life, and the written estimate will show both options. Call (213) 521-8272 to get a straight answer either way.
Yes, both apply. Every Tamko roof installation we complete in Los Angeles carries our written 365-day guarantee, and every project starts with a written line-item price before any work begins. No verbal estimates, no invoice surprises. Call (213) 521-8272 to schedule the roof walk and get your written number.
Tamko distribution to Los Angeles roofing suppliers is generally steady, but specific lines like Lamarite or MetalWorks in non-stock colors can take one to two weeks to arrive. We order early, confirm lead times before we schedule the tear-off, and never start a roof we can’t finish that same week. Call (213) 521-8272 and we’ll check current supply for the Tamko line you’re considering.
Written by Grant Whitlock, Owner, Mercer Roofing Co at Mercer Roofing Co Los Angeles, serving Los Angeles and nearby areas.