| Question |
Answer |
| 1. Why do we need Cavity
Barriers ? |
To provide a practical method of
subdividing structures |
| 2. What is a cavity barrier
?
(Building regulations definition) |
A
construction provided to close a concealed space against penetration of
smoke or flame
A
construction to restrict the movement of smoke or flame within such a
space |
| 3. Where do we need them ? |
Generally
Cavity barriers are required 20 metres in either direction within the
cavity.
The
distance can be 40 metres dependant on the space underneath (Note:
other exemptions apply) |
| 4. What performance is
required ? |
30
minutes integrity
15
minutes insulation
Tested
to BS 476 parts 20/22 |
| 5. What would be the ideal
cavity Barrier ? |
Must
match or exceed the required performance standard.
Building
regulations Document B seeks 15 minutes insulation. FireHalt Gold
provides in excess of 30 minutes insulation
Document
B seeks 30 minutes integrity. FireHalt Gold provides in excess of
120 minutes integrity |
| |
Must
be "safe"
The
fibres used in the manufacture of FireHalt Gold are non respirable
and above 9 micron in diameter. Respirable fibres, those below 3 micron,
can enter the lung, defeating the natural defences of the body. The proprietary
treatment used in the manufacture of FireHalt Gold is non toxic and
meets food grade standards.
FireHalt Gold is designed to have
minimum impact on the environment and individuals during manufacture,
installation and its eventual decommissioning and disposal. |
| |
Should
be clean, easy to work with and quick to install correctly.
FireHalt
Gold weighs only 2 kg per square metre and is 8mm thin. Fully
illustrated installation instructions are provided in each pack.
FireHalt
Gold requires no special tools and can be easily cut with scissors or
knife. Join adjacent sections with simple butt seams secured by staples. |
| Firehalt is a registered
trademark of Saveguard UK Ltd |