Position the collar
Place Fendix against the penetration with the cutting-plate stop ends beyond the opening.
Slimline fire collar for new and retrofit applications
Patent pendingTHE FENDIX COLLAR
A 20 mm thick fire collar for stack, floor waste, shower and vent pipe penetrations — eliminating the need for bulky fire-rated bulkheads or box-outs in tested configurations.
See the 3-step installation
20 mm thickFire collar profile
50–100 mmOne collar, four PVC-U sizes
Up to 4 hoursFire tested to AS1530.4:2014
RTL FA 2981.02NATA laboratory report
Why installers choose Fendix
A slimline fire collar for standard installs and difficult penetrations.
- Install over an existing cast-in collar or a standard core hole.
- Fit the open U-shape from one accessible side, without needing the collar to fully encircle the pipe.
- Designed for tight-clearance installations, including pipes positioned as close as 15 mm to a beam.
- Work around common sockets, elbows, risers and floor waste fittings.
- Avoid fire-rated bulkheads and box-outs in tested configurations.
Always refer to Assessment RTL FA 2981.02 for complete tested configurations and installation requirements.
Simple on site
Installed in three clear steps.
Designed for straightforward installation using four 6 mm anchors.
Mark and drill
Mark all four fixing points and drill using a 6 mm masonry drill bit.
Fix with anchors
Install 6 mm anchors through all four points and confirm firm, even seating.
See the installation
A fast visual guide for installers.
Watch the complete process, or follow the three installation steps shown above.
View the 3 stepsWhere Fendix fits
One fire collar solution for standard and difficult penetrations.
Stack pipes
For PVC-U stack configurations through concrete slabs.
Floor wastes and showers
Works with floor-waste kits, shower grates and common fittings.
Existing cast-in collars
Retrofit over functional, non-functional or unknown existing cast-ins.
Standard core holes
Install directly over core-hole penetrations.
Tested evidence
Compliance information installers can verify.
Match the pipe size, configuration, slab thickness and FRL.
Pipe material
PVC-U DWV
Stacks and floor wastes
| Pipe size | Configuration | Slab thickness | FRL |
|---|---|---|---|
| 50 mm | Stack / floor waste · core hole or cast-in · with or without fitting | 150 mm+ | −/180/180 |
| 65 mm | Stack / floor waste · core hole or cast-in · with or without fitting | 150 mm+ | −/180/180 |
| 80 mm | Stack / floor waste · core hole or cast-in · with or without fitting | 150 mm+ | −/180/180 |
| 100 mm | Stack / floor waste · core hole or cast-in · with or without fitting | 150 mm+ | −/180/180 |
| 100 mm | Stack / floor waste · core hole or cast-in · with or without fitting | 170 mm+ | −/240/240 |
Assessment highlights
- Existing cast-in collars may be functional, non-functional or of unknown function.
- Common sockets, elbows, S-bends, four-way risers and other fittings are covered subject to the report.
- Any shower grate or floor-waste kit may be used subject to the tested requirements.
For the trade
Talk through your project and request a quote.
For installers, passive-fire contractors, plumbers, builders, strata managers, fire engineers, certifiers and distributors.
Request a quote
Tell us what you’re working on.
Share the application, pipe size and approximate quantity. Fendix will review the project and come back with the right next step.
- Call
- (03) 9115 1449
- info@fendix.com.au
Technical library
Keep the evidence close.
Retrofitting over an existing cast-in collarApplication case study · Real installationsView →
Fire collars for tight penetrationsApplication case study · Elbows + limited clearanceView →
Retrofitting over a damaged cast-in collarApplication case study · Springs + intumescent + concrete ingressView →
Assessment RTL FA 2981.02Fire assessment report · PDFDownload ↓
Installation videoThree-step visual guideWatch →