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RA Range Installation Instructions
Stage 1 – INSTALLATION
Stage 2 – ADJUSTMENT
Nail here
Nail here
Ensure return flange abuts masonry
— Ensure joists just fit between the walls — If using I–joists and they are too long, trim to fit — Position joist against location tab — Pre–fix RA to each end of pre–cut joist, nailing through slotted holes in base plate and side flange only, as shown — Slide to opposite side of slots to provide full 6mm adjustment on wall head — Always pre–fix hangers at ground level or on scaffolding
— Locate assembled joist on wall head allowing equal adjustment at both ends — Adjust each end by tapping with a hammer until return flange is correctly positioned tight against blockwork — This stage provides a maximum horizontal adjustment of 12mm and suits blockwork built to BS5606:1990 Accuracy in Building
Ensure return flange abuts masonry
Stage 3 – FINAL ADJUSTMENT
DECKING INSTALLATION FOR FLOORS
150mm min
10mm expansion gap
Minimum edge distance for decking nails = 150mm
— Fully nail using 3.4 x 35mm square twist nails
DO NOT apply any load to joist prior to RA being fully nailed
The latest most up to date version will always be online and not in print or in downloaded pdf.
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Technical support 01592 771132 / technical@itwcp.com / https://www.itwcp-offsite.co.uk
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