Track Fixings all BZP
8mm x 100mm coach screws minimum of four.
10mm studding minimum of four with 10mm Nylocs.
Maximum track fixing centres:- 1250mm.
Minimum curve radius:- 600mm.
Maximum track cantilever:- 150mm.
Maximum uni-strut fixing centres:- 50mm. (On Joists).
Fixing over roof joists (inc gang nailed trusses)
Supporting Unistrut 40mm x 40mm spanning 4 trusses.
Note:- Additional ceiling reinforcement may be required depending on roof construction. This will be advised by the Representative/Agent.
Fixing into first floor joists
*Minimum joist size:- 150mm x 50mm. Maximum span 3.0 metres.
*Joist size:- 200mm x 50mm. Maximum span 5.0 metres.
*(Calculations based on centre point of joist fixing)
Joist centres:- 400mm.
Wall to wall fixings
Maximum length of braced track:- 5000mm.
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