Technical library

Fire collar applications in real site conditions.

See the problem, the installed Fendix Collar and the reason the application fits.

Explore the case studies

Published briefs: 3 applications
Site evidence: 10 photographs
Penetrations: Stacks + floor wastes
Assessment: RTL FA 2981.02

Application case studies

Start with the site condition.

Fendix installed over an existing stack cast-in collar to rectify a floor-waste penetration

Application brief 01Existing cast-in retrofit

Retrofitting over an existing cast-in collar.

See Fendix installed over functional, non-functional and unknown existing cast-ins, including a floor waste incorrectly passing through a stack cast-in.

Includes: Stacks + floor wastes
Conditions: Tight access + existing collars

View application brief 01

Fendix fire collar installed around a 100 mm PVC-U stack with an elbow directly below the concrete slab

Application brief 02Limited clearance

Fire collars for tight PVC-U penetrations.

See 100 mm PVC-U stacks where elbows, adjacent services or a confined soffit leave too little room for a conventional circular collar.

Includes: Elbows + nearby services
Openings: Core-drilled slabs

View application brief 02

Damaged existing cast-in fire collar around a PVC-U penetration below a concrete slab

Application brief 03Damaged after the pour

Retrofitting over damaged cast-in collars.

See three non-functioning cast-in conditions involving damaged components or concrete slurry—and the assessed Fendix retrofit pathway for supported PVC-U penetrations.

Includes: Non-functioning cast-ins
Condition: Post-pour rectification

View application brief 03

Assessment note

Confirm the complete pipe, slab, fitting and FRL configuration against RTL FA 2981.02 before installation.

View Test Report PDF

Have a different site condition?

Send Fendix the penetration.

Include a clear photograph, pipe size, penetration type and required FRL.

Email the details Call (03) 9115 1449