Marshall-Tufflex Cable Management Catalogue 2011 - page 217

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Fire barrier pads
| 217
Fire and security containment systems
Intumescent
(fire barrier) pads
Snap out clamps
Flush mounted dry lining accessory boxes
1 gang 46mm internal depth
code
adj.
pack
MDLB29FWH
9-26mm 10
2 gang 46mm internal depth
code
adj.
pack
MDLB30FWH
9-26mm 10
Circular dry lining boxes
Single back entry
34mm internal depth
code
fix. centre pack
MDCRB1FWH
50.8mm 10
Ø cut out = 64mm
Double back entry (loop-in)
34mm internal depth
code
fix. centre pack
MDCRB2FWH
50.8/60.3mm 10
Ø cut out = 70mm
In the event of a fire, the cover plate of a socket, switch
or light fitting may sag and disintegrate, leaving a
perfect escape route for a fire to travel up the cavity,
into an adjoining room or ceiling. When Envirograf®
pads are fitted, they will expand in the presence of heat
and create an effective fire barrier. This solution has
been specifically designed to help electrical contractors
and building design professionals meet and comply
with the current regulations.
Fire Protection is also available for other Marshall-Tufflex
product ranges. Wraps can be supplied around PVC-U
trunking or conduit systems and pillows to fill a trunking
void. Many different shapes, sizes and thicknesses are
available so for further details please contact our
Technical Hotline on 01424 856688.
Problem Solution
Without pads
With pads
Marshall-Tufflex dry lining boxes are now available with
Envirograf® intumescent (fire barrier) pads.
With fire barrier pads fitted, boxes comply with the
requirements of BS7671:2008 IEE Wiring Regulations
and Document B of the UK Building Regulations.
1 gang 34mm internal depth
code
adj.
pack
MDLB3FWH
1-9mm 20
MDLB1FWH
6-14mm 20
MDLB7FWH
18-25mm 20
2 gang 34mm internal depth
code
adj.
pack
MDLB4FWH
1-9mm 10
MDLB2FWH
6-14mm 10
MDLB8FWH
18-25mm 10
Note:
adj. = adjustment
Dual gang 34mm internal depth
code
adj.
pack
MDLB20FWH
1-9mm 5
MDLB22FWH
6-14mm 5
MDLB24FWH
18-25mm 5
Acoustic hoods
For information on
acoustic pads please
refer to page 181.
Snap out clamps with size identification by colour:
Wall thickness adjustment
Clamp colour
1 - 9mm
Grey
6 - 14mm
White
18 - 25mm
Green
9 - 26mm
Black
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