Straps, bolts and the chain that holds a roof down

Every link is specified, and every link gets counted.

Oran Park 2570 · 10 February 2026

Fully licensed & accredited

In short: Metal straps required at the plates and tie down bolts missing, recorded repeatedly.

What the chain is

The continuous run of fixings from roof to top plate, plate to studs, studs to bottom plate, bottom plate to slab, resisting uplift.

Metal straps required at top and bottom plates on five occasions, and tie down bolts missing from bracing on four.

The chain is only as strong as its weakest connection, and the engineer sized each one for a specific load.

Straps and bolts are small, cheap and numerous, installed at pace by people working to a schedule.

Frame stage, while the frame is open and the carpenter is still engaged.

Written by our local inspection team from work carried out in Oran Park. Licensed building practitioners.

Guides

13 January 2026 · 7 min read

A fitting sealed into concrete, or a gap sealed into concrete.

27 January 2026 · 6 min read

Diagonal steel at internal corners, doing one specific job.

28 July 2026 · 6 min read

A continuous layer is only continuous if the joints are closed.

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FAQ

Is this dangerous today?

It is a structural non conformity rather than a present hazard. It matters in the wind event it was designed for.

How do you know what is required?

From your tie down schedule, which derives from the wind classification for your lot.

Is it expensive to fix?

No, which is precisely why it is worth catching while the frame is open.

Do the items get rechecked?

At lock-up, and each is marked fixed, partly fixed or outstanding.