50mm Professional Aluminium Capped Rafter Bar

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The Sunwood 50mm Wide Aluminium capped rafter bar is suitable for use with glass and all thicknesses of Multiwall or solid Polycarbonate. This high quality, screw down timber glazing bar has a durable powder coated finish and comes complete with top and bottom gaskets for waterproofing. The Sunwood 50mm timber glazing bar has a low profile with neat clip in screw concealment capping for a sleek, contemporary finish. This strong, high quality Sunwood glazing bar is especially good in high wind areas. Available in White or Brown as standard but can be powdercoated to any RAL colour at additional cost. Stainless steel screws are included. Bar end caps include a glass stop and must be purchased separately, please see ‘Rafter Bars - Trims and Accessories.

August Savings! - 10% off your aluminium capped timber glazing bars when you buy your polycarbonate sheets from us - use the code BAR10 code before you check out.

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50mm Screw Down Rafter Bar

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  • 50mm Screw Down Rafter Bar
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Uses of The Sunwood 50mm wide Rafter Bar

The 50mm wide Sunwood Aluminium Capped Glazing bars are perfectly suited for use in all glass applications from single skinned glass to double glazed units. It is also suited to other roofing sheets including solid and all thicknesses of multi-wall polycarbonate. Visually the bar is stylish and has a sleek low profile; it’s neat rounded screw concealment capping makes it a perfect choice for high end, high quality roofs. A very popular choice for timber conservatory roofs, this timber rafter bar is perfect an orangeries and atriums. This screw down rafter glazing bar is also an excellent choice if you want to refurbish, refresh or waterproof an existing wooden conservatory roof.


These aluminium capped rafter bars are available in two widths of 50mm and 60mm to best suit the width of your wooden rafters and are both suitable for all glazing thicknesses. The screw down design gives you a robust solution ideal for use in coastal or other exposed locations. Available in white or brown as standard, the bars can be powder coated to other RAL shades at additional cost.


These rafter bars are very easy to fit and come complete with all required gaskets and stainless steel screws. To install, simply sit the base gasket straight onto your timber rafter and your chosen glazing then sits on this. The aluminium top cap is then firmly screwed down using the central groove as a guide to ensure a good central fixing through to your rafter. The top cap itself has two gaskets that sit atop the glazing giving a watertight seal. Finally the screw concealment profile is then ‘clipped in’ to complete the smooth, sleek look.

Sunwood Range

There is a full range of complimentary products available should you need them. The Sunwood range has a full selection of hip and ridge bars and accessories. To view other conservatory roof components please click here.

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