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Plywood sheets or galvanised strip bracing can be used. Ply sheets, if secured properly, also act as tie-downs of the studs to wall plates.   kellyjones00 (593)

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Ply bracing needs to be fastened a minimum of 7mm from the panel edging.   kellyjones00 (593)

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Installing plywood sheet bracing:
In smaller wall areas, especially where plumbing and electrical lines will be installed, it is better to erect and plumb walls first. Then mark on the walls where plumbing pipes and conduits will be installed. Install noggs to support sheet bracing around these access points, then install the sheet bracing, leaving the access points unclad. Later, after plumbing and electrical work is finished, the final pieces of bracing can be secured.   kellyjones00 (593)

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Wall insulation batts are fitted before sheet bracing is complete.   kellyjones00 (593)

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Fastening plywood structural bracing:
50mm spacing along top and bottom wall plates, and on horizontal butt joints; 100mm spacing along vertical edges; 150mm spacing along intermediate studs. Leave a 2mm expansion gap at butt joints between adjacent sheets.

- They are prone to warping and then are impossible to fix properly. Store completely flat and with flat sheets on top to stop curling and warping, or install immediately and completely.

- Never leave plywood bracing fixed incompletely to stud walls!   kellyjones00 (593)
 
 

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If plywood sheets are too short: If the walls are higher than plywood sheets, and a small piece is required to clad the entire frame, then put the full piece below and the small piece at the very top. Any rain that soaks into the ply sheets drains and collects at the bottom. A full sheet at the bottom means less exposed ends to warp.   kellyjones00 (593)
 
 


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