About GAP

Serving Customers Since 1993

Established in Lancashire in 1993, GAP has flourished year after year, becoming a trusted trade supplier of low-maintenance PVC-U & Aluminium building products to both residential and commercial markets across the country.

Our growth and success are due to our valued trade customers and our dedicated team here at GAP, whose commitment and expertise are the cornerstone of our operations.

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Maintenance Free Building Products

We specialise in serving trade customers with the very best maintenance free building products available. You’ll get access to everything from windows, doors and roofline, to GRP composite doors and bi folding doors, all at the lowest trade prices available.

Local Service, Nationwide.

From Inverness to Exeter, and from Winsford to Norwich, there's bound to be a GAP depot nearby. Our extensive network of trade counters serve thousands of customers on a daily basis.

Whether you're in need of our next-day delivery service, or prefer popping into our conveniently located depots to make a collection, we've got you covered. And, whilst you're there, why not enjoy a complimentary hot brew on us! So, stop by and discover what sets GAP apart.

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Stocked Products from GAP

Each of our GAP depots stock an extensive selection of HomeLine uPVC building products that will help transform any property style. Our collection of BBA approved roofline, rainwater, cladding and dry verge systems are unrivalled in the industry for performance, style, technical accreditation, and of course, stock availability. We’ll have what you need, when you need it.

We don’t just stock roofline and rainwater products though, we also carry a wide and varied selection of window trims, flat roofing solutions such as Rubber Cover, and light weight roofing tiles.

Additionally, to help all our trade customers install the products we supply, our fitter friendly trade counters offer an extensive range of silicones, fixings and ancillaries to help you nail the project.  

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Made to Measure products from GAP

At GAP, we take huge pride in manufacturing nearly 70% of our products. With over 500,000 sq-ft of cutting-edge production facilities within the group, we ensure top quality everytime.

HomeLine Building Products, for instance, produce premium uPVC rooflines and claddings, boasting BBA and BSI approvals. Our engineers even developed the UK's first range of BBA approved recycled Rooflines called 'Core'.

We also manufacture windows and GRP composite doors under our HomeFrame brand, whilst our range or aluminium bi folds are made by HomeView, another GAP brand.

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Rockdoor, The Original Composite Door

GAP is home to Rockdoor, a name synonymous with security, style and thermal efficiency in the entrance door market. Since its inception in 1996, Rockdoor has led the market with its unmatched quality, securing homes and keeping families cozy for over two decades and over 1 million door sales.

We operate a network of Rockdoor Trusted Installers across the country who offer high quality installations for homeowners looking for a new front or back door.

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Dedicated Team

From depot managers to sales representatives, from fabricators to welders, from accounts to marketing, our team of over 1,000 members shares a common goal: delivering excellence to our customers day in day out and always going the extra mile.

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We’d Love To Hear From You

If you’d like to hear how GAP can serve you, whether you are a window or door fitter, general builder, or specifier in a large house builder, simply drop us a line on 0845 313 10 12, or visit your nearest GAP depot today. Find your nearest depot through our depot finder here.


About Us | Stockists of uPVC Building Products | GAP Ltd: