A Rowan company - serving Long Beach, CA

Wellborn Roofing Nationwide

Every visit starts with

Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled

Your dream remodel for as low as $199/month*on approved credit; ask for current terms
Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Wellborn Roofing: The Long Beach Owner’s Guide

Wellborn-compatible roofing parts in Long Beach typically run $400-$1,800 installed for standard repairs, and we stock the common Wellborn membrane, flashing, and vent configurations on our trucks. Most homeowners notice the failure during our dry summers when attic heat peaks, or after a Santa Ana wind event when lifted sections reveal brittle underlayment. The telltale sign is usually a water stain on the ceiling that tracks back to a failed penetration seal or a section of membrane that has outlived its UV exposure rating.

Call (424) 567-7009

Which Wellborn Models This Applies To

Wellborn’s roofing line breaks into three series that matter for parts matching: the Classic Series (discontinued 2014-2019), the Pro-Grade Series (2019-present), and the limited Coastal Shield line engineered for salt-air markets. The Classic Series used a 40-mil TPO membrane with proprietary heat-welded seams; the Pro-Grade shifted to 60-mil reinforced TPO with a wider 6-inch weld zone. The Coastal Shield line, which we see on several Long Beach homes near the Peninsula and Belmont Shore, added a fleece-backed underlayment for puncture resistance on low-slope applications.

To identify your series, check the specification label on the membrane roll edge, typically found at the rake edge or near a vent penetration. Classic Series labels read “WBR-40”; Pro-Grade reads “WBR-60” or “WBR-60R” for reinforced; Coastal Shield carries “WBR-CS” with a salt-spray test certification number. If the label is sun-faded, measure the membrane thickness with a caliper at a cut edge, or photograph the seam width, and we can identify it in the field.

OEM Wellborn parts ship from their Alabama distribution center with a 7-10 day lead time. We stock aftermarket equivalents from Johns Manville and Carlisle that meet the same ASTM D6878 TPO spec and carry the same 20-year material warranty. For Classic Series repairs, aftermarket is often the only practical option, as Wellborn no longer manufactures the 40-mil profile. We will note in your written quote whether we are sourcing OEM or spec-matched aftermarket, and why.

Signs Your Wellborn Roofing Is Failing

Professional roofer installing flashing on a residential shingle roof
Signs Your Wellborn Roofing Is Failing
  • Water stains that appear in straight lines or right angles. TPO membranes fail at the seams first, and Wellborn’s heat-welded seams track in geometric patterns. If your stain follows a seam line rather than a random blob, the weld has separated and capillary action is drawing water underneath.
  • Bubbling or “alligatoring” on flat or low-slope sections. This is trapped moisture between the membrane and insulation board, usually from a puncture that sealed itself temporarily. In Long Beach’s heat, that moisture turns to vapor and pushes the membrane upward. Left alone, the bubble splits and creates a direct leak path.
  • Cracking at vent boots or pipe penetrations. Wellborn’s factory-formed boots use an EPDM collar that degrades faster than the TPO field membrane in UV exposure. We replace these with aftermarket two-piece compression seals that outlast the OEM design by roughly 30 percent in our climate data.
  • Membrane pulling away from parapet walls or edge metal. This is adhesive failure, often accelerated by the thermal cycling between Long Beach’s 85-degree days and 55-degree nights. The fix is not more adhesive; it is re-anchoring with a termination bar and cover strip, which we include in our edge-detail repairs.
  • Increased attic temperature or HVAC strain. A compromised white TPO membrane loses its reflectivity as the surface oxidizes. Your roof may not be leaking yet, but if the white surface has dulled to gray and your cooling bills have climbed 15-20 percent, the membrane has reached end-of-life for its thermal performance.
BeforeBefore
AfterAfter

Replacement Cost & What’s Included

For Wellborn-specific roofing work in Long Beach, our installed pricing follows the ranges below. Every quote is a flat written price with a written scope, delivered before any work starts, under Clause 1 of the Haven Standard.

Service Price Range What’s Included
Membrane patch repair (up to 25 sq ft) $400-$800 Cut out failed section, weld replacement membrane, seal perimeter, photo documentation
Vent boot / penetration replacement $350-$650 Remove degraded boot, install compression-seal replacement, seal to membrane, warranty
Seam re-weld (linear foot) $18-$28/ft Grind old weld, clean substrate, hot-air weld new seam, probe test for voids
Edge re-anchoring (termination bar detail) $600-$1,200 Remove failed adhesive, install mechanical termination, new cover strip, sealant
Partial membrane replacement (up to 500 sq ft) $2,500-$5,500 Remove failed membrane, inspect insulation, install new 60-mil TPO, weld seams, final inspection

What drives the range: access difficulty (steep pitch, height, or tight setbacks common in Belmont Heights and Alamitos Beach), whether the insulation board beneath is salvageable, and whether we are matching Classic Series dimensions or upgrading to current Pro-Grade specs. We do not proceed with any change to that scope without a signed change order, which is the discipline that has kept our projects within a few percent of the agreed price since 2007.

All Wellborn-compatible work carries our 365-Day Done Right Promise: if it is not done right, we make it right. The warranty is printed on every page of your project file, not an asterisk.

DIY or Call Us?

Professional contractor spreading mortar for kitchen backsplash tile installation
DIY or Call Us?

There is one thing a homeowner can safely check: the specification label and general condition survey from the ground or a stable ladder at gutter height. Photograph any stains, bubbles, or edge gaps you can see. That documentation is useful for us and costs you nothing.

What you should not attempt: walking a low-slope or flat membrane roof without proper fall protection, cutting into TPO to “see what’s underneath,” or using consumer-grade sealants on a heat-welded system. TPO repairs require a hot-air welder operating at 600-1,100 degrees Fahrenheit with precise speed and pressure control. A bad weld looks fine for two weeks, then peels in the first wind event. We have re-repaired too many of those in Long Beach to recommend the experiment.

Measure twice, write it down, then build it. Call (424) 567-7009 and we will schedule a free estimate with a written price before any work starts.

Get the price in writing before anything starts.A real person answers, day or night.
Call now

FAQs

Need Construction help in Long Beach? Licensed & insured · Free in-home estimates response · free estimates
Call (424) 567-7009
Local Service Coverage

Request a Free Estimate in Long Beach

Tell us what you need - Rowan Construction Group Long Beach responds fast. No obligation.

By reaching out through this form, you agree to the terms of our Privacy Policy and agree to be contacted by telephone, text message, or email about your request, including by the independent contractors we may refer it to.

Prefer to text? Text Now
Call Now - 24/7 Dispatch