The Warmcore bi-fold door system from Vulcan Windows delivers market leading thermal performance. For added peace of mind our doors are Secured by Design meaning your home will stay safe & warm.

High Tech Elegance 

Precision-manufactured with a high quality surface finish and affording slim sight lines when installed, aluminium has become the material of choice for premium Bi-fold door applications. WarmCore doors utilise a composite of materials to ensure an end product that is energy efficient and recyclable combined with the premium quality, structural integrity and architectural design elegance of aluminium to create a product perfect for both residential and commercial building applications.

From the rollers to the handles to the corner assemblies, WarmCore displays an elegance of design that translates into a high performance installed product that looks outstanding

Thermal Performance

At the heart of WarmCore products is a thermal core which significantly out-performs the poly-amide thermal breaks commonly used to reduce the threat of cold bridging on aluminium windows and doors. The result is an innovative “warm aluminium” frame construction, carefully dimensioned to provide an optimised sash frame while ensuring market-leading thermal performance thanks to the multi-chambered insulating core.

Weather Resistance

The Folding sliding door system is triple-sealed with contact weather strip gaskets to eradicate draughts and ensure excellent weather tightness for all-year-round user comfort. Gasket corner mouldings use a push-fit design to neatly and positively couple with straight-cut gasket lengths for easy application, avoiding any need to overrun gaskets to fill gaps which aids in it’s resistance to weather conditions.

Peace of Mind

PAS24 and Secured By Design accreditation as standard provides the peace of mind of knowing your home will be safe, secure, warm & free from pollution. The WarmCore doors from Vulcan have been independently third party tested by a UKAS laboratory to prove impressive structural strength and security credentials


The Best Guarantee

We believe our products have a winning formula. We’re so confident in their durability we provide a 10 year guarantee on all our domestic goods.

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How They Will Benefit You

By Choosing Vulcan for your home improvement you can be sure to only receive the very best.