








Site Inspector Trinity Reach Blades Fillet/Bond Breaker Measurement
Introducing THE TRINITY BLADES by Site Inspector - The Essential Tools for Hard-to-Reach Locations in the Building Industry. Reach Blade III is engineered with an eye for detail, designed to deliver a 12mm minimum fillet/bond breaker measurement. This adheres to the AS 3740 standards for Class III liquid membrane applications.
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Site Inspector Trinity Reach Blades Fillet/Bond Breaker Measurement
Reach Blade I 15x15mm
The Waterproofing Shop
22/872 Canterbury Road
Roselands NSW 2196
Australia
Product Details
Technical Specifications
What's Included?
Product Files
No documentation available for this product.

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Key applications
- Measuring fillet and bond breaker size in challenging and hard-to-reach locations
- Checking 15mm x 15mm fillets to AS 4654.2 on external liquid membrane applications
- Checking 35mm bond breakers to AS 3740 for Class II liquid membranes
- Checking 12mm bond breakers to AS 3740 for Class III liquid membranes
- Measuring vertical membrane termination height from the structural floor
- Checking membrane termination 25mm above finished floor level
- Measuring side laps and end laps of sheet membranes
- Access under sliding doors leading to balconies and into hard-to-reach corners
Measuring gauge only. Always verify the fillet and bond breaker dimensions with the product manufacturer's Technical Data Sheet to ensure alignment with the membrane system and compliance with the Australian standards. Each blade is calibrated to one dimension only: Reach Blade I to the 15mm x 15mm AS 4654.2 fillet for external liquid membranes, Reach Blade II to the 35mm AS 3740 Class II bond breaker and Reach Blade III to the 12mm AS 3740 Class III bond breaker. Blades are sold one per order, not as a three piece set, so order the blade that matches the membrane class you are inspecting.
Technical Specifications
| Tool Type | Fillet and bond breaker reach gauges, sold one blade per order |
| Reach Blade I | 15mm x 15mm minimum fillet/bond breaker, AS 4654.2, external liquid membrane applications |
| Reach Blade II | 35mm minimum fillet/bond breaker, AS 3740, Class II liquid membrane applications |
| Reach Blade III | 12mm minimum fillet/bond breaker, AS 3740, Class III liquid membrane applications |
| Integrated Ruler | 150mm on Reach Blade I and Reach Blade II |
| Material | Hardened 420 stainless steel |
| Thickness | 1.2mm |
| No technical data sheet is published for these tools. The figures above are the manufacturer's published specification. | |
What's Included
Why trade professionals choose Site Inspector
Site Inspector gauges are pocket sized measurement tools for waterproofers, tilers and building inspectors who need to verify a detail rather than eyeball it. The range covers fillet and bond breaker sizing, taper and gap checking, and quick multi-tool measurement on site, supplied to the Australian trade. Small enough to carry every day, and just as useful whether you are installing the system or signing it off.
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