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Rafter Gasket Systems

If you want to fix multiwall polycarbonate glazing onto rafters then you need to use one of our rafter gasket glazing systems. These systems are also suitable for installing glass onto rafter based structures.

Lengths

Our bar systems are supplied pre-packed in 3 metre and 4 metre lengths.  Each pack contains a length of aluminium glazing bar cap with glazing gasket pressed in, the TPR rafter gasket and an end plate.  On the P501 and P261 systems this is a simple push fit; on the P320 the end plate is an aluminium screw fit style.  

The P261 and P320 systems can also be supplied in 6 metre lengths as loose items rather than as pre-packs.

Colour

  • The P501 system is supplied in white and brown only.  
  • The P261 system is available as standard in mill finish, white and brown.  The mill finish bars can be powder coated to any specified RAL or BS colour. 
  • The P320 system is also available as standard in mill finish, white or brown, and the mill finish bars can also be powder coated to any specified RAL or BS colour.

Accessories

To complete your roof, you will need side trims, U profile end closures, eaves fillers and screws.  These can all be seen on the Fixing Accessories page on this website.  The Bar Support Systems page shows our versatile aluminium eaves beam and wall plate, both of which can be used to accommodate a range of roof pitches.

 

Components

500/501 Rafter Gasket System - P501

Designed for installing 10mm twinwall polycarbonate glazing onto 50mm wide rafters.  Supplied pre-packed in 3 metre and 4 metre lengths.  Not suitable for 16mm and thicker multiwall.  The P501 system is suitable for glass units up to 24mm thick.  However, when glazing with glass a mechanically fixed end plate should always be used at the eaves end of each rafter to retain the glass.

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226/261 Rafter Gasket System - P261

Designed to install multiwall polycarbonate glazing up to 25mm thickness onto 60mm wide rafters.  Supplied pre-packed in 3 metre and 4 metre lengths.  6 metre lengths can also be supplied as loose items.  The P261 system is also suitable for glass units up to 24mm thick.  However, when glazing with glass a mechanically fixed end plate should always be used at the eaves end of each rafter to retain the glass.

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320/261 Rafter Gasket System - P320

Designed to install multiwall polycarbonate glazing up to 25mm thickness onto 60mm wide rafters.  Supplied pre-packed in 3 metre and 4 metre lengths but 6 metre lengths can also be supplied as loose items.  A feature of the P320 system is in the securing of the capping bar to the rafter.  Screws are fixed through a central fixing channel in the cap.  This is then covered and protected by a screw cover clip so no fixings are visible, giving a clean and elegant finish.  The P320 system is also suitable for glass units up to 24mm thick.  However, when glazing with glass a mechanically fixed end plate should always be used at the eaves end of each rafter to retain the glass securely in place.

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