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External cladding has just taken a new step with the introduction of Uni-Strut StoneClip, one that will benefit ALL that use it - Fixer, Architect, Engineer to the Contractor.

By using the Uni-Strut StoneClip 62mm x 41mm or 41mm x 41mm or 41mm x 21mm metal support system you can effect a cavity from 51mm to 165mm (x 2.5 mm wall thickness channel to be used) on any substrate that is being clad with any type of panel cladding (VITRA PANEL, STONE, WOOD, ALUMINIUM or any other medium of cladding) and in doing so you can eliminate the need to install Shelf Angles at each floor level, as the dead load is being supported by the individual StoneClips, which are attached to the channel and it is in turn fixed to the substrate at centres no greater than 500mm apart. By using the slotted channel it allows you to be able to place your fixings to suit not placing them in bed joints etc. When fixing to concrete substrate it is recommended that 8mm SCREW bolts be used, as these are very effective in loose substrates or where they are in question.

The Uni-Strut StoneClip comes in 2 sizes (12mm and 16mm) and are 150mm long with their own channel nuts, base plates and 2 lock nuts. The cavities are all allowing for an unsupported length of thread of 75mm on the 12mm StoneClips and 90mm on the 16mm StoneClips (the unsupported length is measured from the front of the blade of the StoneClip to the front of the lock nut against the channel, which is the same as the distance from the kerf in the panel being erected to the channel). See the Fixing Methods page for an explanation on how to achieve the desired joint and how to adhere to for correct installation.

Load limits on the Uni-Strut StoneClip should be kept to 45kgs/12mm clip at 75mm unsupported cavity per clip, up to 55kgs/16mm clip at 90mm unsupported cavity. This gives you a maximum cavity of up to 150mm with the 12mm StoneClip up to a maximum of 175mm for the 16mm StoneClip. These widths are when using the 62mm deep channel. Refer to your engineer if moving outside these guidelines. The placement of the Uni-Strut vertical channel placement is to suit the width of the panel with that you are using for the cladding medium.

Benefits of using Uni-Strut StoneClip 

• working with an approved vertical support system.

• allows fixing to solid parts of the substrate if slotted channel is used.

• utilises the unique StoneClip mechanical fixing head.

• works well with substrates that are not in PLUMB

• no epoxy needed to fix your cladding panels to substrate only needed to effect the width of the joint between the panel courses.

• allows greater productivity with the system as when you have one panel fixed you are immediately ready to fix the one above.
  
  TO DOWNLOAD THE ENGINEER'S CERTIFICATION ON UNISTRUT
  
  Photo's of Installation of Uni-Strut
  
  

  showing a 42 x 42 mm x 2.5 mm Uni-Strut channel being erected to a concrete block wall and an 8 mm x 75 mm screw bolt being installed ( at 500 mm centres )	showing first panel locked in place
  showing plumbing ( vertical ) of first panel as it is installed.	showing 2nd panel in place and the epoxy on the underside , giving the desired joint . In this case we put in 3 mm spacers which were removed the next day ( 24 hr epoxy )
  showing 3rd panel in place . Easy as , all cuts are measured from the front face .	side view of the 3 panels .

  
  

  showing 2 uni-strut channels with the first 2 stoneclips installed level

  showing 4 stoneclips in place , 2 ready and level and 2 ready to fit into the panel as it is installed

  showing cuts in the underside of the second panel prior to installation , to get the desired joint between the panels

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Page Last Updated: 20-Sep-2007
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