Sheerline has introduced a Reverse Butt Joint for its Prestige window system, which the company says eliminates the need for external glazing, reverse adaptors, and dummy sashes.

The joint includes a new patented aluminium T cleat which will enable customers to offer fully internally beaded aluminium windows with both opening vents and fixed panes, and enable fabricators to manufacture the reverse butt joint using Sheerline’s newly introduced Prestige Z transom.

Technical sales director Dave Watts said: “Anyone who operates within the PVC -U market is aware of the advantages of reverse butt joints, but within the aluminium industry, they’re relatively unheard of as legacy aluminium systems can’t accommodate them. With our new reverse butt joint, we want to show fabricators, installers, and consumers that there are options for aluminium too!

“Tried and tested is great, but innovative solutions backed up by real-world experience and extensive R&D can offer unexpected opportunities, benefits, and advantages. There are many outstanding features to highlight about our newest product – the fact it streamlines the fabrication and installation processes, but also the fact it gives our customers greater choice, and that’s something we pride ourselves on.”

The reverse butt joint also uses less material compared to windows using a dummy sash, potentially saving 20% on material and labour costs over a window featuring a dummy sash rather than a fixed light.

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