Flat Roofing Specialists – Since 1976
Strandek® are flat roofing and valley gutter specialists. We offer a range of industry-leading flat roofing systems, from GRP fibreglass flat roofing through to liquid-applied polyurethane and BBA-certified single ply. In addition, we also install a range of flat roofing accessories, from insulation through to gutters, solar panels and green roofs. Our services range from valley gutter replacements to flat roofing repairs, upgrades and overlays, we have your flat roof covered.
Few regions test a flat roof like the South West, where south-westerly gales drive up the Severn Estuary and wind-driven rain finds every weak point. Traditional felt fails at its overlapping seams and laps — they lift, blister and let water track underneath. A Strandek GRP fibreglass roof is laminated into one seamless, joint-free skin: the same marine-grade fibreglass we built boats to survive the Bristol Channel. Built to beat the weather it faces.
Our Capabilities
Almost 50 years ago, The Bristol Channel Boat Company was created. Since then, we’ve gradually adapted to customer demands, shifting from fibreglass boats to fibreglass flat roofs and green sedum roofing and today we are known as Strandek®.
Our Customers
Chosen by domestic customers, architects and construction companies alike, we offer a high-quality, trusted and proven solution that’s bespoke for every customer.
Our Guarantees & Warranties
Our flat roofs are proven to last decades. We honed our experience and used that to select the best materials and systems on the market.
In almost all instances, our flat roofs come with the following range of guarantees
- 15 – 20 system guarantee
- 10-year FCA-regulated guarantee
Our History
Born in a GarageStrandek® originally started out as The Bristol Channel Boat Company. Founded by Steve Bowen in 1976, the company centred around the production and manufacture of fibreglass boats to customers both nationally and internationally. |
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From the Sea to the RoofThe Bristol Channel Boat Company then became Salty Yacht Productions Ltd. It was over this period that Steve really developed an expertise for fibreglass and other membrane-backed resin coating systems. |
To the Roof and Beyond…Given its waterproofing properties, durability and high strength-to-weight ratio, Steve then realised that fibreglass (GRP) was excellent as a flat roofing material. If you can make a boat out of it that keeps the water out, why not a flat roof? Fibreglass was also gaining popularity in the UK and beyond for flat roofing, so transitioning made sense. The company then became known as Strandek®, after the success of its industry-leading fibreglass technology. The rest is history… |
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Our Future: Strandek® Premium GRP Flat Roofing: Bristol, Bath & Gloucester
The West of England’s Leading Structural Waterproofing Experts
In almost five decades since our creation, we’ve seen significant innovation in the roofing industry. From new roofing polymers through to improved insulation and design capabilities.
Our aim to pursue the latest in flat roofing whilst also adhering to our original principles to install great flat roofs has led us to where we are today. Yet we understand that there is much more we can offer. Strandek® is the premier name for high-performance GRP roofing and structural waterproofing across Bristol, Bath, and Gloucestershire. Our history dates back to 1976, originating in the marine industry as Salty Yachts (Production) Ltd.
Why does this matter for your Bristol home or Gloucester business? Because we apply marine-grade waterproofing standards to every flat roof we install.
A Legacy of Reliability
With 50 years of continuous trading, Strandek has stood the test of time. In an industry where “fly-by-night” contractors are common, our registered trademark, Strandek® and five decades of history offer you total peace of mind. Whether it’s a heritage property in Bath or a modern extension in Bristol, we provide the ultimate leak-proof solution.


