Internal Bracing Roof

If the roof is nipped the hip trusses in connection with the ceiling beams rafters and purlins will brace the roof endways so as to make a very rigid construction.

Internal bracing roof.

Locate additional restraints at pitch breaks and install vertical braces at their locations. If the roof terminates against gable walls the roof should be braced in the end panels by diagonal braces extending from the purlins to the ceiling joists close to the gable. Bracing the second gable end is advisable. Once the roof trusses are stacked into a place they can be positioned one at a time.

You will learn some great tricks for using braces to keep. Begin with the second gable end truss and work back towards the first gable end. Hold the trusses in place once temporary lateral and diagonal bracing. Internal wall bracing element d not directly under the ridge more than 2m long 90 x 45 roof space brace parallel or within 25 of parallel to ridge line 70 x 45 runner fixed to min.

All joists trusses and braces are 35mm thick and 71mm wide. The ceiling joists and purlins should be well anchored to the gables. This is done by plumbing the truss and securing as described above for the first gable end. The attic length is 5m 4 93 from end brace to brace and im aware that i cant get a 5m plank of wood up into the roof space so my plan was to divide the new lateral brace into 3 and have it overlap two braces from each plank.

Some details about my roof space. Of 3 truss bottom chords with 2 x 90mm skew nails per chord truss 45 max 4 x 90mm nails each end 3 x 90mm nails each end 300mm max.