In this episode of the Howarth Timber & Building Supplies 1840 Podcast, host Paul Bullivant sits down with Barry Shorrock, Sales Director at Flex-R — one of the UK’s most proactive and trusted names in EPDM rubber roofing. From the surprising history of EPDM and its 60-year track record, to why it’s becoming the go-to solution for everything from extensions to garden rooms, Paul and Barry break down the myths, the methods, and the must-knows of modern flat roofing.

Packed with insights on durability, training, installation, new technologies, and the growing demand for flame-free roofing systems, this episode is a masterclass for builders, roofers, and homeowners alike — with a little dash of Ashes cricket chat thrown in.

Whether you’re curious about making the switch to rubber roofing, exploring Flex-R’s training options, or simply love hearing experts talk passionately about their products, this is an episode you won’t want to miss.

Subjects covered:

• What EPDM/rubber roofing is and why it’s so durable
• The history of EPDM and Flex-R’s role in bringing it to the UK
• Key advantages: flexibility, longevity, and fully cold-applied installation
• Why proper training is essential and how Flex-R supports contractors
• Common installation mistakes and how to avoid them
• When to choose ClassicBond vs ClassicBond Pro
• Using EPDM for extensions, garden rooms, sheds, and overlays
• Guarantees, certifications, and what homeowners gain from EPDM
• How technology and product innovation are shaping the future of flat roofing

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Flex-R products - https://www.howarth-timber.co.uk/search.php?search_query=epdm§ion=product&_bc_fsnf=1&Type=EPDM+Membrane&Type=EPDM+Tape-

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Watch the Episodes On Youtube: - https://youtu.be/lBokZGoz0wU

Spotify: https://open.spotify.com/show/3Ov5c0y78nezowFz07C5AU?si=4c70c4030522440b&nd=1&dlsi=bf8c82e6addc44f8

Apple: https://podcasts.apple.com/gb/podcast/the-1840-podcast/id1789793386

Amazon: https://music.amazon.co.uk/podcasts/2bdccd00-1cc9-4173-be70-39544f923c80/the-1840-podcast

Website: https://www.howarth-timber.co.uk/1840-podcast/