Single-Ply Roofing in Oxnard, CA — TPO Roofing Installation & Single-Ply Roof Replacement in Ventura County

ADA Roofing Inc provides professional TPO roofing installation, TPO roof repair, and single-ply roof replacement for commercial properties throughout Oxnard, CA, Thousand Oaks, Camarillo, and all of Ventura County. As a licensed roofing contractor with extensive experience in flat and low-slope commercial roofing, our team installs and services single-ply roofing systems that deliver reliable performance, energy efficiency, and long-term value for Ventura County businesses.

Single Ply Roof Replacement Installation Solutions

What Is Single-Ply Roofing?

Single-ply roofing refers to flexible membrane systems installed in a single layer on flat or low-slope commercial roofs. TPO (thermoplastic polyolefin) is the most widely used single-ply roofing material in commercial construction today — and for good reason.

TPO roofing is a thermoplastic single-ply membrane that is heat-welded at seams, creating a watertight bond that performs exceptionally well on flat and low-slope commercial roofs.
Excellent UV resistance — white and light-colored TPO membranes reflect solar radiation effectively, reducing cooling costs in Ventura County’s sunny climate and meeting California’s Title 24 cool roof requirements.
Strong seam strength — heat-welded TPO seams are typically stronger than the membrane itself, making seam failure far less common than with older single-ply systems that relied on adhesives.
Chemical and puncture resistance — TPO membranes resist grease, algae growth, and punctures from rooftop foot traffic and equipment better than many alternative flat roofing materials.
Cost-effective performance — TPO provides excellent long-term value relative to its installed cost, making it the preferred choice for most Ventura County commercial flat roof installations.

Visit our Roof Coatings page if your existing single-ply roof is in generally sound condition and a coating extension is a more appropriate solution than full replacement.

TPO Roofing Installation

A TPO roofing installation is only as good as the quality of the installer. Improper seam welding, inadequate termination details, and incorrect insulation attachment are the primary causes of TPO roof failures — all of which ADA Roofing Inc avoids through proper technique and attention to detail on every installation.

Substrate assessment and preparation — the existing deck and insulation are evaluated before installation begins to identify any issues that must be addressed before new material is applied.
Insulation and cover board installation where required to achieve proper R-value compliance with California’s Title 24 energy code requirements for commercial buildings.
TPO membrane installation and heat welding — seams are welded with precision using commercial heat-welding equipment, creating a monolithic membrane across the entire roof surface.
Perimeter and penetration detailing — parapet walls, drains, HVAC curbs, and all penetrations receive proper flashing and termination details to ensure a fully watertight result.
Post-installation inspection and seam testing confirms the integrity of every weld before the project is closed out.

Every TPO installation we complete is fully permitted and inspected, providing documentation that protects your building’s insurance coverage and warranty compliance.

Single-Ply Roof Replacement

When an existing single-ply roofing system has reached the end of its service life, ADA Roofing Inc provides complete single-ply roof replacement — removing the failed system, addressing any substrate damage, and installing a new TPO membrane designed to perform for the next 20-plus years.

Full tear-off and disposal of the existing single-ply membrane and any compromised insulation beneath it.
Deck inspection and repair before new insulation and membrane are installed — water damage to the deck must be addressed to prevent premature failure of the new system.
New insulation installation to meet current Title 24 R-value requirements, improving the building’s energy performance while restoring full roof protection.
New TPO membrane installation with fully welded seams, proper perimeter terminations, and complete penetration detailing.

Our commercial roofing team works efficiently on roof replacement projects to minimize disruption to your business operations throughout the project duration.

Common Questions About Single-Ply Roofing

? How long does a TPO roofing system last?

Quality TPO roofing installations typically provide 20 to 30 years of reliable service life with proper maintenance and periodic inspections.

? Does TPO meet California’s cool roof requirements?

Yes — white and light-colored TPO membranes meet California’s Title 24 energy code requirements for commercial roofing, and we can confirm specific product compliance during your estimate.

? Can you repair an existing TPO roof rather than replacing it?

Yes — we provide TPO roof repair for punctures, seam failures, and other localized damage when the overall membrane is in sound condition.

? What is the difference between TPO and EPDM single-ply roofing?

TPO is a white thermoplastic membrane heat-welded at seams; EPDM is a black synthetic rubber membrane bonded with adhesive. TPO’s reflective surface and welded seams typically make it the preferred choice for new commercial installations in Southern California.

Schedule Your Free Single-Ply Roofing Estimate in Oxnard Today

Ready to discuss TPO roofing installation or replacement for your commercial property? ADA Roofing Inc provides free estimates throughout Ventura County.

Phone: (805) 317-1215
Email: adaroof1@gmail.com
Hours: Monday – Friday: 7:30 AM – 5:30 PM | Saturday: 8:00 AM – 3:00 PM | Sunday: Closed
Address: 214 East Rose St, Oxnard, CA 93033