Mambourin Building
Inspections
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Frame inspection in Mambourin

The structure is complete but still bare. This is the visit that catches problems at the slab edge and in the walls before wrap, bricks and plaster hide them.

  • When the frame and trusses are standing and the roof is on, before wrap and cladding
  • 1 to 2 hours on site
  • Report within 24 hours
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Fully licensed & accredited

Stage3 of 7
When to bookWhen the frame and trusses are standing and the roof is on, before wrap and cladding
Time on site1 to 2 hours on site
Inspected againstAS 1684 (timber framing), AS 4100 or NASH for steel frames, the engineer's bracing and tie-down plan, NCC Part 3.4

What is included in a Mambourin frame inspection

  • Stud, plate, lintel and beam sizes against AS 1684 and the engineer's drawings
  • Wall straightness and plumb, top plate level
  • Floor level across the slab
  • Bracing type, position and fixing against the bracing plan
  • Tie-downs from roof to wall and wall to slab
  • Triple grips, straps and bolt fixings
  • Jack studs, lintels and trimmers over every opening
  • Window sill trimmers for wide openings
  • Roof truss spacing, fixing and girder connections
  • Valley boards, ceiling battens and roof bracing
  • Window and door openings against the plans
  • Wet area framing, noggings and service penetrations
  • Damaged, split, notched or over-drilled members
  • Termite collars and slab penetrations still visible
Why it matters here

Frame inspections on Mambourin builds

A recent Mambourin frame inspection found the slab projecting more than 20mm past the frame in several places, honeycombing along the slab edge and walls leaning beyond the 5mm tolerance. The first two only show at this stage.

What we find at this stage in Mambourin

  • Slab projecting over 20mm beyond the frame
  • Honeycombing along the slab edge
  • Wall frames out of plumb
  • Bottom plates cut in bracing walls
  • Termite barrier missing under external walls
  • Double studs not joined
No physical termite barrier under the external walls at the frame visit, found during a frame inspection in Mambourin
No physical termite barrier under the external walls at the frame visit
Double studs not joined with nail plates, inviting plaster cracks along the joint later, found during a frame inspection in Mambourin
Double studs not joined with nail plates, inviting plaster cracks along the joint later
Sample findings

Sample defects found during our frame inspections in Mambourin

Annotated findings from Frame inspections.

Slab projecting over 20mm beyond the timber wall, so it needs trimming back, found during a frame inspection in Mambourin
Slab projecting over 20mm beyond the timber wall, so it needs trimming back
Honeycombing along the slab edge, which can weaken the concrete and let water in, found during a frame inspection in Mambourin
Honeycombing along the slab edge, which can weaken the concrete and let water in
Bottom plate cut through in a bracing wall without an approved fixing solution, found during a frame inspection in Mambourin
Bottom plate cut through in a bracing wall without an approved fixing solution
Wall frame leaning out of vertical by more than the 5mm tolerance, found during a frame inspection in Mambourin
Wall frame leaning out of vertical by more than the 5mm tolerance

The other stages of a Mambourin build

  1. Bored piers inspection in Mambourin1Bored piersOnce the piers are drilled and caged, before a drop of concrete
  2. Slab pre-pour inspection in Mambourin2Slab pre-pourThe day before the pour, while pods, steel and membrane are still on show
  3. Lock-up (pre-plaster) inspection in Mambourin4Lock-up (pre-plaster)With roof, windows, cladding and outside doors fitted, before insulation is covered
  4. Fixing inspection in Mambourin5FixingWhen doors, mouldings and cabinets are in and the painter has not started
  5. Waterproofing inspection in Mambourin6WaterproofingAfter the membrane cures and before the first tile is laid
  6. Pre-handover (PCI) inspection in Mambourin7Pre-handover (PCI)About a week ahead of the practical completion date

All construction stage inspections in Mambourin →

Guides

Construction stage guides for Mambourin

All guides →

Book a frame inspection in Mambourin

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FAQ

Frame inspections in Mambourin: common questions

Why does slab overhang matter?

Brickwork needs a set cavity between it and the frame. A slab that projects too far squeezes that cavity, which affects drainage and ventilation behind the bricks.

Is honeycombing structural?

It can be. Shallow honeycombing is a finish issue, deeper voids can expose steel. The report asks for it to be assessed and repaired before cladding.

What tolerance applies to a leaning wall?

Under the Guide to Standards and Tolerances 2015, a wall frame more than 5mm out of plumb over 1.8m is defective.

Do you check the bracing?

Yes, against the engineering bracing plan and AS 1684, along with tie-downs and plates.

Can I still change things at frame stage?

Structural corrections are far easier now. Once lined, the same fix means removing plaster.

Is the truss design checked?

We check how trusses are supported, fixed and braced. The truss design itself is certified by the manufacturer.

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