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General Coatings Manufacturing Corp.

Leading the Spray Foam Roofing Systems Industry

Over the past 25 years, General Coatings has developed
a reputation as a company that provides exceptional 
products for industrial, commercial and residential 
use.

Our products are manufactured with an emphasis on quality, ensuring they will perform over the years no
matter what the environmental challenges.

Each product has been tested and certified by the authorities in the industry, to provide you with the assurance that they will meet your specific project
needs.

We pride ourselves on building personal relationships and see our customers as our partners. Call us today and speak with one of our knowledgeable salespeople, and you’ll find our experience counts. General Coatings Manufacturing Corp. (GCMC) Foam Roof System offers high-density, spray polyurethane foam roofing systems that are designed to stop leaks, reduce energy loss, and extend the life of your existing roof. Constructed by applying multiple layers of strong, durable, and dependable roof coatings, the GCMC Foam Room System is ideal for use over Cap Sheet, Plywood/OSB, Metal, Concrete, ISO Board, Tar and Gravel roof substrates.

  • Roofing foam and elastomeric coatings for Cool Roof Systems
  • Tank and cold storage insulation systems.
  • Building insulation systems
  • Building materials for waterproofing and protection
  • Waterproofing for concrete protection
  • Custom formulations
  • Full warranties available
  • All roofing materials and coatings are fully certified

Visit our website.


Spray Foam Roof Details - Resedential Flat Roof Recover


Latest Promotions and Rebates

Win Free Roof Coating Online Training at METALCON!

Win Free Roof Coating Online Training at METALCON!

General Coatings and EVERROOF are giving away free access to the first training module of the new Roof Coating Manufacturers Association (RCMA) online Training Program! ($100 value) Be sure to visit our booth at METALCON (Booth #1941) and enter to win!
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Latest eBooks

RCS Presents: Coffee Conversations - Season 2

Top Ten Coffee Conversations from Season Two

The Coffee Conversations podcast from RoofersCoffeeShop® invites you to pour a cup of coffee and sit with experts for conversations about what is top of mind for roofing contractors and the overall roofing industry right now. Held every other Thursday morning (6 a.m. PT), the team at RCS video chats ...
View eBook

General Coatings - Case Study

Learn How Spray Foam Cures Aging Roof Problems for Cancer Research Facility

Complex Cool Roof Coating System in California a Success Thanks to General Coatings A leader in cancer-focused genetic testing services, NeoGenomics, had strict requirements that the roof retrofit meet the highest safety standards and not disrupt its sensitive laboratory environment. Find out the right choice for this complex roof. Download ...
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Latest Contests and Games

Win Free Roof Coating Online Training at METALCON!

Win Free Roof Coating Online Training at METALCON!

General Coatings and EVERROOF are giving away free access to the first training module of the new Roof Coating Manufacturers Association (RCMA) online Training Program! ($100 value) Be sure to visit our booth at METALCON (Booth #1941) and enter to win!
View Contest or Game


Latest Podcasts

EVERROOF - Coffee Conversations LIVE from the Western Roofing Expo - Sponsored by EVERROOF - POD

Coffee Conversations LIVE from the Western Roofing Expo - Sponsored by EVERROOF

S4:E3 You won't want to miss this special Coffee Conversations, sponsored by EVERROOF and General Coatings, coming to you LIVE from the Western Roofing Expo! Join us on day two of the show as we meet with industry leaders and experts from the western region of the country. Guests include manufacturers, ...
Listen to the Podcast

Will Lorenz - Why Silicone Roof Coatings are Dominating

Will Lorenz - Why Silicone Roof Coatings are Dominating

S4:E11 In this episode of Roofing Road Trips, RoofersCoffeeShop president, Heidi J. Ellsworth chats with Will Lorenz, VP of sales at EVERROOF. The two discuss the upcoming launch of the new EVERROOF silicone plant, how contractors can utilize silicone products on the roof and the stabilization of the supply chain. ...
Listen to the Podcast

General Coatings - Will Lorenz - Driving HOA Business in 2022 - Podcast

Will Lorenz - Driving HOA Business in 2022

S4:E9 Heidi J. Ellsworth, RCS President, sits down with General Coatings CEO Will Lorenz to talk how they are bringing new solutions to the market and particularly the HOA market. With high demand from consumers for not only solutions to the material and labor shortages but also progressive solutions for ...
Listen to the Podcast


Latest Webinars

EVERROOF - Coffee Conversations LIVE from the Western Roofing Expo - Sponsored by EVERROOF - WATCH

Coffee Conversations LIVE from the Western Roofing Expo - Sponsored by EVERROOF

S4:E3 You won't want to miss this special Coffee Conversations, sponsored by EVERROOF and General Coatings, coming to you LIVE from the Western Roofing Expo! Join us on day two of the show as we meet with industry leaders and experts from the western region of the country. Guests include manufacturers, ...
Watch the Webinar

General Coatings - Coffee Conversations - Gen Z Takeover 2.0! - Watch

Coffee Conversations – Gen Z Takeover 2.0!

S3:E9 Don't miss this Coffee Conversations, sponsored by General Coatings, as we welcome Rohan Gupta, the next generation of General Coatings' leadership, Clemson University students Ayushi Raj Dua and Declan Fay. Declan has participated in the Roofing Alliance's student competition multiple times. They will chat with Megan Ellsworth, RCS Producer about ...
Watch the Webinar

JM - Coffee Convo - 3rd Quarter review

Coffee Conversations - 2021 3rd Quarter Review

S3:E3 Sponsored by Johns Manville Join Heidi Ellsworth on the next Coffee Conversations as she welcomes CEOs and executives Adam Oaks of Estimating Edge, Deryl Kratzer from National Roofing Partners, Will Lorenz of General Coatings, and Jennifer Ford-Smith of Johns Manville. These industry leaders will share an in-depth look of 2021’s ...
Watch the Webinar


Latest Videos

weekly-blend-episode37-600x300

Episode 37 - Must-Attend Shows, Free Training Opportunities and The Economy of Everything Home!

Join Heidi and Karen every Friday to hear what they have to say about all the happenings within the roofing industry. In this episode of our Weekly Blend series RoofersCoffeeShop® (RCS) President Heidi J. Ellsworth and COO Karen L. Edwards are featured in another exciting installment of this RCS original ...
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General Coatings Welcome Blog

Check out General Coating Manufacturing's Video Tips and Instructions

Check out General Coatings' short, yet informative videos. To view all of their videos, visit their YouTube page here and subscribe so you won't miss a thing. Below, find these roofing playlists: Drains Penetrations Decks Systems Slope Terminations Drains Spray-Foam Roof Details - Roof Drain Spray-Foam Roof Details - Overflow Roof Drain Spray Foam Roof Detail - Scupper Drain Spray-Foam Roof Details - ...
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