All templates
WaterproofingResidential

Wet Area Waterproofing Inspection & Test Plan

ITP for internal wet area waterproofing in bathrooms, laundries and ensuites covering substrate preparation, membrane application, flood testing and junction details per AS 3740.

12 checklist items
3 hold points
1 witness points
Use this template — it's free

Checklist Preview

Substrate Preparation

Requires sign-off
P/F
Substrate clean, dry and free from contaminants
P/F
Internal corners rounded or filleted
P/F
Penetrations prepped with puddle flanges
P/F
Primer applied per manufacturer specification

Membrane Application

Requires sign-off
P/F
Membrane product approved and within shelf life
P/F
Wall membrane height per AS 3740 (min 150mm/1800mm)
Hold
P/F
Floor membrane continuous to all junctions
P/F
Reinforcing band applied at junctions and corners
Photo
P/F
Minimum 1.5mm DFT achieved
Hold

Flood Testing

Requires sign-off
P/F
24-hour flood test passed (no leaks detected)
Hold Witness
P/F
All penetrations watertight
Flood test photographic evidence captured
Photo

Prefer AI?

Generate a custom Waterproofing ITP in seconds

Describe your scope and our AI builds a complete ITP with hold points, witness points, and sign-off roles — tailored to your project.

Free AI ITP Generator →

Ready to use this template?

Sign up, import this ITP template into your project, and start inspecting. 14 days free — no credit card required.

Get started free