Floors
Standard Installation Instructions – Open Web Header HUH (Open Web Applications) Heavy Universal Hanger
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Stage 3
Stage 4
Stage 1
Stage 2
Wipe over top tabs to give a flush fit to the joist.
Nail top tabs into top chord of joist – Min 2No 3.4 x 35mm square twist nails into rear ply and 1No 3.4 x 35mm square twist nail into front ply per leg.
Position hanger flush with underside of joist.
Face nail to top and bottom chords using 14No 3.4 x 35mm square twist nails in total.
Enhanced Installation Instructions – Solid Header
Stage 3
Stage 4
Stage 1
Stage 2
Wipe over top tabs to give a flush fit to the joist.
Nail top tabs into top chord of joist – Min 2No 3.4 x 35mm square twist nails into rear ply and 1No 3.4 x 35mm square twist nail into front ply per leg.
Position hanger flush with underside of joist.
Fill all round and triangular nail holes to header joist with 3.4 x 35mm square twist nails.
HUH-W-220-235 Installation Guidance
1. Diamond nail holes are to be nailed for joist depths <= 225mm 2. Circular holes are to be nailed for joist depths >225mm *All circular holes on the face of the header must be nailed as standard, excluding the HUH-W-220-235 with joists over 225mm deep, where 6 circular holes at the top flange are replaced by 6 diamond holes. *Triangular holes are for Enhanced Installations
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