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Installation Guides

i-Joist Notch Installation Instructions

A Quicker, Safer i-Joist Installation. A typical floor installation where i-Joists have been supplied with Staircraft’s unique ‘Perimeter Notch’ is illustrated below. This factory supplied detail is fully approved by the NHBC, follow our i-Joist installation instructions for ease.

Giving you a quicker, safer i-Joist installation.

 

Our i joist installation instructions, allow lengths of bracing to be laid inside the notch (flush with the top of the i-Joists) to assist in setting out the i-Joists, and to act as permanent support for the floor decking at the perimeter – avoiding the need to cut and fit individual perimeter noggings.

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i-Joist Installation instructions that are simple

 

  • i-Joist packs will arrive on site with pre-cut notches on the ends of i-Joists where needed
  • Ensure the i-Joists are fitted with the notches facing up – DO NOT install with the notch facing down
  • Set the i-Joists out at their required positions using 22x75mm safety bracing (supplied) laid in the notch
  • Fix the bracing with a single nail or screw to each i-Joist it passes over. Lengths of bracing can be butt-jointed over the middle of an i-Joist, and fixed with a single nail or screw on each side
  • Leave the bracing in position to act as perimeter support for the floor decking, there is no need to cut and fit traditional perimeter noggings with z-clips
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Important

The notch is precision routed in Staircraft’s factory and is the subject of independent strength testing and accreditation. Under no circumstance should the notch be altered or extended on site, or any attempt be made to replicate the notch on site.

Download our install app 

For any further information on this or other i-Joist details which are unique to Staircraft. 

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