BOSS MaxiCollars offer high-performance and simple installation. Their unique construction of multi-layered intumescence and directional expansion provides up to 4hrs fire rating to plastic pipes through:
- Plasterboard and Drywall construction
- Masonry and Block
- Speedpanel walls (with no need for plasterboard build up)
These collars are only 40mm deep which allows for use in tight areas. Tested to AS1530.4, AS4072.1 and EN1366.
Size options: various from 32mm – 250mm