Windows & Bi- Folding


Fast Rack Windows is the UK’s leading supplier of high-quality products to the fenestration industry, known for market-leading products including WarmCore, Masterdor and Global.

We continually invest in and enhance our extensive product range to deliver the most innovative, efficient and competitively priced products which add value to our customers’ businesses.

We want to be the first choice for our customers across our core product ranges, helping them to grow their businesses with first-class products that make a real difference.

Our Brands

FastRack Windows & Bi- Folding

Fast Rack Windows  is known for its marketing-leading brands including WarmCore, Masterdor and Global.

Through internal developments and acquisitions, we have gradually built up the most competitive product offer available so we can offer our customers the very best the industry has to offer across a range of markets including window, door and conservatory systems


FastRack Windows & Bi- Folding

We work directly with the trade to provide quality products for homeowner renovations, large scale commercial contracts and new build housing projects.

Whether you’re an architect, specifier, installer or fabricator, there’s a team at Synseal Group to help you find the right solution for your project. With BIM-ready, market-leading products and a team of in-house specification experts, we can offer you advice on the best products to incorporate into your project design and guide you through information about thermal efficiency, material content and overall performance.
We also house a team of technical experts who work directly with our fabricators and their installers to make sure products are fabricated, delivered, installed and maintained correctly to the highest quality. Whatever your question, we’re here to help.

Get in Touch

FastRack Windows & Bi- Folding

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