Get the substrate, the weather and the spec right — or the work fails and the building leaks. Hold points are there for a reason.
When it applies
If you're doing any of this, this guide is in play.
Before you start
Before the work begins, the Site Supervisor confirms — and you check your own work area.
Substrate readiness
Moisture
Weather
Access
Product SDS
Ventilation
Curing times
Resident protection
The controls
Work down the hierarchy — collective protection first, PPE last. PPE never carries the job on its own.
The RPD rule
Use approved materials, follow manufacturer conditions, protect drainage and adjacent surfaces, isolate wet and chemical areas, and record every hold point.
Approved materialsManufacturer conditionsProtect drainageRecord hold pointsDo not cover substrate, membrane or joint work until the inspection / acceptance hold point is recorded.
Once it's covered you can't inspect it. The hold point is recorded before the next layer goes on.
Stop & escalate
See any one of these? The job stops until it's fixed — no exceptions.
- Substrate is unsound
- Specification conflicts with site condition
- Weather prevents compliant application
What gets recorded
The job isn't done until the evidence exists. Live records go in Breadcrumb.
Breadcrumb · live site
- SDS
- Pre-starts & toolbox talks
- Site alerts for wet areas / exclusion zones
- Hazard reporting for unsuitable substrate or weather