Triple grips, and the load they carry
Every truss, tied individually.
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In short: Triple grips at truss ties recorded on a Leppington frame inspection.
What a triple grip is
A metal connector that ties a truss down onto the top plate, fixed through a defined pattern of holes with nails specified by the manufacturer.
Why skew nails are not enough
Skew nailing resists a truss lifting only through the withdrawal strength of a few nails driven at an angle. The grip converts that into a designed connection at every truss.
What we look for
That the grip is there, that it is the right one, and that every specified hole has a nail in it. A grip half fixed performs at something less than half, because the load is shared unevenly.
What was recorded
Triple grips recorded twice at truss ties on a Leppington frame inspection, alongside bracket fixings in the same roof.
The window
Roof framing connectors are visible from the frame stage until the ceiling goes on, and then never again without going into a finished roof space.
Written by our local inspection team from work carried out in Catherine Field. Licensed building practitioners.
