The Pipe-in-Pipe System That Could Change Plumbing Forever

Skill Builder • October 28, 2025
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Building projects, reviews, tutorials, tips and discussion. Skill Builder was created by journalist and building expert Roger Bisby and video producer Dylan Garton to bring you practical guidance, product evaluation and insight for all aspects of building and construction.

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Find out more about Pipelife: 👉 https://skill-builder.uk/pipelife We’ve come a long way from copper and solder — here’s the smart, modern way to plumb a house that’s faster, safer, and built for the future. __________________________ Roger heads back to the Pipelife Academy in Cork, Ireland, to meet Mike Geary and discuss how modern plastic pipe systems are changing plumbing for the better. From flexible PEX to pre-insulated manifold systems, the days of worrying about joints under the floor or burst copper pipes are fast disappearing. Mike explains how pipe-in-pipe systems make installation faster, cleaner, and easier to maintain, with the bonus that you can even rethread pipes through ducting if one ever gets damaged. Roger and Mike also look at insulation—why it’s crucial for heat efficiency, how it affects flow and return losses, and why insulation delays freezing but doesn’t prevent it. It’s a deep dive into the evolution of plumbing—from lead to copper to modern plastics—with real insight into how technology is helping the trade adapt to faster building schedules, higher comfort demands, and fewer apprentices entering the trade. __________________________ Chapters 00:00 Introduction – Roger visits Pipelife in Cork 00:31 Why plastic pipes have a 50-year guarantee 01:27 Advantages of pipe-in-pipe 02:20 How re-threadable pipe-in-pipe systems work 03:10 Why insulation matters 07:29 Heat loss outside the thermal envelope 08:50 How insulation affects freezing risk 11:51 Skills shortage and faster building methods 15:12 Why modern homes need smarter plumbing 17:20 Wrap-up and how to learn more Check out @pipelifes ========================================== #homeimprovement #homeheating #plumbing 👇 SUPPORT SB - BECOME A MEMBER https://www.youtube.com/channel/UC9GdB6vG6m6cDAwrTAWXgyg/join 📪 JOIN OUR NEWSLETTER http://skill-builder.uk/signup 🛒 SEE OUR FAVOURITES ON AMAZON https://www.amazon.co.uk/shop/skillbuilder 🎧 LISTEN TO OUR PODCAST https://blubrry.com/skillbuilder/subscribe 🎬 OUR VIDEO LIBRARY https://www.youtube.com/@SkillBuilder/videos 🔗 SEE EVERYTHING SB ON LINKTREE https://linktr.ee/skillbuilder https://www.facebook.com/skillbuilderchannel https://www.tiktok.com/@skillbuilder https://www.instagram.com/skill_builder (As an Amazon Associate, we earn from qualifying purchases) ================================== OUR FAVOURITE CHARITIES 👷 BAND OF BUILDERS https://bandofbuilders.org ⛯ THE LIGHTHOUSE CHARITY https://lighthousecharity.org 💧 CHARITY WATER https://www.charitywater.org

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