Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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Before
AfterFast, Reliable Roof Installation Across Van Nuys
A full Roof Installation on a Van Nuys ranch house typically runs $9,800 to $18,500 for architectural shingles, while a TPO system on a low-slope section costs $11 to $16 per square foot installed. Those are real numbers for this market, not national averages. We schedule free estimates across Van Nuys week-round, and the estimate itself is written: every material, every line item, every fastener spec, on paper before you sign anything. Call (743) 200-8347 and you’ll speak to a live person who can tell you exactly what happens next.
Van Nuys sits at the thermal core of the San Fernando Valley. Roofs here age differently than they do in Sherman Oaks or Encino. We spec for 110°F summers, Title 24 cool-roof code, and the two-layer cap rule that coastal roofers never have to mention. If you live in Van Nuys, that code difference changes what goes on your roof. This page explains how, and what it costs.
Why Mercer Roofing Is Van Nuys’s Preferred Roof Installation Company
We know Van Nuys roofs by the street they sit on. The ranch homes off Vanowen and Victory, the stucco apartment stock lining Van Nuys Boulevard, the odd 1950s A-frame tucked behind Sepulveda: each roof type fails in its own way, and we’ve torn enough of them apart to know what hides underneath. That matters when the roof you’re looking at may carry two layers of quake-era patchwork that never showed up on a home inspection.
Every technician who steps onto your Van Nuys property is background-checked, identity-verified, and badged under the Threshold Verified standard. Before they arrive, you get their name and photo. At the door, they present a photo ID. That’s not a marketing line; it’s the rule we operate under, every visit, on every job. Grant Whitlock, who leads our crews, enforces that standard on every Van Nuys roof we touch.
The work itself carries a 365-Day Done Right Promise. If something isn’t right within a year, Mercer Roofing makes it right. Written. Included with every job. No fine print about “normal wear” or “acts of God.” A year. Done right. That’s the promise.
TPO Roofing Installation in Van Nuys
TPO Roofing Installation in Van Nuys runs $11 to $16 per square foot installed, and it’s the right membrane for the hundreds of 1960s and 1970s low-slope apartment and commercial sections along Van Nuys Boulevard. TPO is a single-ply thermoplastic membrane, typically white or light gray, that reflects solar heat instead of absorbing it. That reflectance is not a nice-to-have here. Van Nuys falls in California Title 24 Climate Zone 9, which mandates cool-roof performance on re-roofs: a dark built-up roof that simply gets re-coated and re-roofed does not meet code. TPO, properly installed with heat-welded seams, does. We mechanically attach or fully adhere it over a cover board, seal every seam with a hot-air weld, and flash every curb, pipe, and drain with the same membrane.
For a Van Nuys homeowner, TPO is usually the answer when a flat or low-slope section has begun to pond. Ponding water sits, the membrane flexes, and eventually the seams open. It happens fast after an atmospheric-river rain event, and it happens slow every time the Valley heat cycles the membrane. TPO handled both: its welded seams are stronger than the field of the membrane itself, and its reflective surface keeps the roof cooler, which means less thermal cycling and fewer failures.
Low-Slope Code and Membrane Choice
Here’s the uncomfortable truth: a lot of Van Nuys roofs with a slight pitch were never built for shingles at all. Shingles need slope to shed water. Put them on a 1.5:12 or lower pitch, and water backs up behind every overlap. If your garage addition or patio roof is nearly flat, TPO is not an upgrade; it’s the correction. We also see hybrid situations constantly: a steep gable front with a flat rear addition. Those two sections need two different systems, and the bid should show both clearly.
Shingle Roof in Van Nuys
A full Shingle Roof tear-off and re-install on a typical Van Nuys ranch runs $9,800 to $18,500, with architectural shingles being the standard spec we write for most single-story homes. The range is wide for a reason: roof size, number of layers coming off, decking condition once the old roof is gone, and whether you’re in a Title 24 cool-roof compliance situation all move the number. The tear-off is usually the hidden line item. Decades of re-roofing without full tear-offs have left layered assemblies all over Van Nuys, and LADBS’s two-layer cap rule means we cannot add a third layer even if you wanted to. The old layers come off, every time, if there are already two up there.
In Van Nuys, the shingle itself has a harder life than the manufacturer’s rating would suggest. Asphalt shingles here reach 160 – 170°F surface temperatures on 105°F days. Granules shed. Shingles cup. UV cycles bake the asphalt until it loses flexibility. South- and west-facing slopes take the worst of it. When we write a Van Nuys shingle spec, we’re not quoting a national chart. We’re quoting what actually survives in this heat. That means reflective granule surfaces where code requires, ice and water shield in the valleys, stainless ring-shank fasteners, and proper ridge venting.
Architectural Shingles and Tear-Off Reality
Architectural shingles are not just thicker. They’re built with a heavier base mat, which means they hold their shape longer under the Valley heat than three-tab shingles do. Three-tabs are cheaper up front, but they have a thinner mat and a flatter surface area that cups fast at 170°F. We write architectural as the default spec for Van Nuys because the premium over three-tab usually amounts to $1,500 to $3,500 on a typical ranch, and the performance gap is not small. The bigger cost on most Van Nuys jobs is the tear-off. Removing one layer is standard. Removing two, plus a layer of quake-era tar patching, is slow and labor-intensive. That’s where bids from out-of-town roofers get light: they quote the shingle, and they’re quiet about what’s underneath until the decking is open and the change order appears. We write the tear-off into the bid, in dollars, before the first nail is pulled.
Trusted Brands We Service in Van Nuys
We install and repair shingles from GAF, CertainTeed, and Owens Corning, and we stock local inventory for Van Nuys jobs so material delays don’t stall your schedule. GAF’s architectural lines hold up well under Valley UV. CertainTeed’s reflective granule offerings help meet the cool-roof code without sacrificing color options. Owens Corning’s Duration series is another solid choice for the south- and west-facing slopes that take the most heat. We’ll show you samples, explain the differences in plain English, and write the brand you choose into the contract. We don’t swap brands mid-job, and we don’t substitute a lower-spec product to shave cost.
Common Roof Installation Problems We See in Van Nuys Homes
- Quake-era patchwork that hides real damage. The 1994 Northridge earthquake epicenter was in Reseda, directly adjacent to Van Nuys. Emergency repairs done in 1994 – 1996 are now 28 – 30 years old and aging out all at once. A street-level look at a roof from that cohort tells you almost nothing: the surface shingles can look fine while the flashing at penetrations is rusted through and the valley metal beneath is patched with tar.
- Layered assemblies that violate the two-layer cap rule. Van Nuys has decades of re-roofs stacked up. LADBS permits a maximum of two shingle layers. If your home has two already, a full tear-off is mandatory before any new roof goes on. Inspectors flag this constantly, and some homeowners learn about it only after a bid comes back. We check the layer count during the estimate, not after the contract is signed.
- Low-slope sections that pond and fail. The 1960s and 1970s stucco apartment stock along Van Nuys Boulevard, plus countless flat garage and addition roofs across the neighborhood, shed water poorly by design. Shingle a near-flat section and you get leaks under every overlap. Those sections are TPO territory, and retrofitting them correctly means removing the failed roofing, not coating over it.
- Attic heat that cooks the sheathing. Van Nuys attics can hit 140°F in July. Without proper ridge or gable venting, that heat radiates through the decking and bakes the shingles from below, reducing lifespan from both sides. Most roofs here are under-vented. We add ventilation to the scope when the existing setup can’t move enough air.
Pricing for Roof Installation in Van Nuys, CA
Here’s what we see on real Van Nuys bids, as of this writing. Architectural shingle tear-off and re-install on a standard 1,500 to 2,000 square foot ranch: $9,800 to $18,500. Larger two-story homes or steep-cut roofs push higher. TPO on a low-slope garage or apartment section: $11 to $16 per square foot installed. Full tear-off of two existing layers adds $2,500 to $5,000 depending on size and how much decking survives. Decking replacement, when needed, runs $2 to $4 per square foot. Every bid we write is a written line-item price. No allowances. No “market rate at time of install.” You see every dollar before work starts. Call (743) 200-8347 for a free estimate, and you’ll get the same written format.
We Also Serve Cities Near Van Nuys
Our crews handle Roof Installation in Van Nuys daily, and we also serve Sherman Oaks, Studio City, North Hollywood, and Encino from the same Van Nuys-based scheduling. The heat and the housing stock change as you cross the 405, and we spec accordingly.
Serving Van Nuys, CA - Our Local Coverage Area
We’re based in the Van Nuys area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roof Installation in Van Nuys
You can’t, because LADBS’s two-layer cap rule applies across Van Nuys, and it’s enforced when permits are pulled. Your cousin in Santa Monica may have slipped one through before enforcement tightened, or may have a roof that started with a single layer. In Van Nuys, the rule is clear: two layers maximum. If your home already has two, the old layers come off, full tear-off, and the permit will not be issued otherwise. This is one of the most common cost surprises we explain on Van Nuys estimates. Call (743) 200-8347 and we’ll check your layer count before you commit to anything.
The cool roof requirement comes from California Title 24 Climate Zone 9, which Van Nuys falls in. Re-roofs must meet a minimum solar-reflectance standard. That is a mandatory code item, not an upgrade. What it changes in the bid: the shingle spec. We select reflective granule surfaces, sometimes a higher-grade underlayment, and in some assemblies stainless fasteners. The material premium is real but modest, typically $800 to $2,000 on a ranch, and it buys a roof that actually sheds heat instead of baking. We write the compliant spec into every Van Nuys bid, in writing, so there’s no surprise at the permit counter.
You often cannot tell from the ground. The quake patchwork was done fast, in volume, across 1994 – 1996. The common failure is rusted valley metal and failed flashing at penetrations, concealed under shingles that still look okay. We find it by looking at the roof’s history, the age of the visible surface, and the condition of the drip edge where it exits the eaves. On a 1952 ranch near Van Nuys Boulevard, we tore off two layers and found the original decking sound but the drip edge rusted through and every valley tar-patched. The visible roof looked fine. A free inspection will tell you what’s actually up there. Call (743) 200-8347.
We nail architectural shingles with stainless ring-shank fasteners, and we flash penetrations with corrosion-resistant metal, not painted steel. Why here: Van Nuys heat cycles a roof aggressively, and the Valley’s occasional atmospheric-river rain dumps water fast. Galvanized fasteners rust out years early in that cycling. Painted steel valley metal fails at the seams. Stainless ring-shank nails hold through heat expansion and contraction. Better flashing keeps the water where it belongs: off the decking. We write the fastener spec into every Van Nuys bid. It is not an upgrade we offer; it’s the baseline we install.
If the pitch is below about 3:12, TPO is the correct answer, not a preference. Shingles on a near-flat section will leak at the overlaps because water pools instead of running off. For flat or very low-slope sections, TPO with heat-welded seams is what we install, and it also helps you meet the Title 24 cool-roof code, since the membrane is naturally reflective. We see a lot of Van Nuys homes with a steep front gable and a flat rear addition. The answer is a hybrid: shingles on the slope, TPO on the flat, both written into the same bid. Call (743) 200-8347 for an exact quote on your roof’s sections.
Ready to Talk About Your Van Nuys Roof?
You’ll get a written price before any work starts. You’ll know who’s coming to your door, with a photo and a badge, before they arrive. And if the work isn’t right within 365 days, we’ll make it right. That’s the Mercer Roofing standard for every Van Nuys roof. Call (743) 200-8347 today to schedule your free estimate.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Van Nuys with written pricing and the 365-Day Done Right Promise.