2017 Spray Foam National Industry Excellence Award for Wedge Roofing Marin County, San Francisco, Sonoma County  NRCA 2016 Gold Circle Award for Wedge Roofing   Diamond Certified Marin County Wedge Roofing    


San Francisco Bay Area's Trusted Roofing Contractor


Marin County - Sonoma County - San Francisco - Napa

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Single Ply Roof Systems - EPDM, TPO & PVC

Single Ply Roofing Contractor Marin County, Sonoma County, San Francico and Napa

SF Bay Area Single Ply Roofing Marin SF Sonoma Napa

As a Single Ply Roofing Contractor in the San Francisco Bay Area, we specialize in single ply roof installations, single ply roof repairs, and single ply roof maintenance in Marin County, Sonoma County, San Francisco and Napa Valley.  

Our 41 years of flat roofing expertise means your TPO roof, PVC roof or EPDM roof will be installed precisely to the manufacturer's highest quality standards, qualifying for the best single-ply roof warranty available.  

What is a Single-Ply Roof?

EPDM Rubber, TPO Plastic and PVC single ply roof systems consist of flexible sheets, made from state-of-the-art polymer manufacturing technology. The Single ply membrane is mechanically fastened or fully adhered to the roof deck with all seams hot air welded.

Expert Roof Installation

The highest level of expertise is required for the successful installation of a single ply system. There is no room for error, every seam, penetration and rooftop detail must be flawlessly adhered. Wedge single-ply roofing experts are highly experienced, manufacturer certified installers of all single ply roof systems. 

Firestone Roof Systems

UltraPly TPO Roofing System is suitable for a variety of low-slope commercial roofing applications and is a sustainable roofing solution for a wide range of building types. White and tan UltraPly TPO membranes meet the new version of the California Energy Efficiency Standards for Residential and Nonresidential Buildings (Title 24) and are listed with the Cool Roof Rating Council (CRRC).

RubberGard EcoWhite TM EPDM membrane offers a highly reflective, white EPDM solution to coated membranes. The environmentally friendly EcoWhite membrane provides building owners with the proven performance of traditional EPDM, while providing the additional benefit of keeping the roof cooler. RubberGard EcoWhite membrane’s initial solar reflectance is 0.80, when tested in accordance with the Cool Roof Rating Council.

Carlisle Roof Systems

Thermoplastic Polyolefin TPO Carlisle’s white and tan Sure-Weld® TPO membranes are ENERGY STAR®-qualified and Cool Roof Rating Council (CRRC)-certified. Carlisle’s single ply TPO is available in a variety of sizes, and thicknesses to cover any type of roof top application.

GAF Roofing Systems

GAF's EverGuard® TPO combines weatherability of EPDM with the reflectivity and seam strength of PVC. EverGuard Extreme® Advanced Protection® TPO offers exceptional performance in all applications, including high heat and solar. EverGuard® PVC offers the advantages of heat-welded seams and high reflectivity, plus superior resistance to chemicals, oil and grease.

Single ply roofing contractor SF Bay AreaManufacturer Certified Warranty

As a Firestone Roofing Contractor and Carlisle Roofing Contractor, Wedge Roofing is able to offer the most comprehensive single-ply roof warranties and packages available. 

Because we are a certified GAF Master Commercial Roofing Contractor our single ply roof installations qualify for GAF’s strongest commercial warranties, including the Diamond Pledge™ - No Dollar Limit Roof warranty. 



We would highly recommend Wedge Roofing. They were superior in professionalism and their workmanship, great company! We thank you!


— L&D Roberts, Sonoma County Roof Repairs, Sonoma County