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ARC TCB (Timber Cavity Barrier) restricts the spread of smoke and flames within timber frame cavity walls, as well as minimising the effect of flanking noise pollution at wall junctions.
This is the Timber to Timber barrier.
- Timber fire rating - Up to 1 hour
- Cavity widths - 50 - 150mm
- Horizontal and vertical options
- Specified in semi-detached, apartments and major projects
- Complies to Robust Detail Part E and Building Regulations
- Supplied with flanges for fixing back to timber frame
- Can be manufactured to suit cavity widths up to 150mm
- Options for timber to brickwork and timber to timber applications
- Easy to install
They are manufactured from low resin, non-combustible rockfibre mineral wool insulation and are sleeved in polythene for on-site protection.
|Third-party certification||Certifire CF5403|
|Insulation||Non-combustible rockfibre mineral wool|
|Fire rating||Up to 60 minutes|
|Insulation performance||15 minutes|
|Test standard||BS 476 Part 20|
|Construction type||Timber frame|
|Orientation||Vertical or horizontal|
|Robust Detail compliance||E-WT 1-4, E-FT 1-6|
ARC TCB is designed to be compression fitted within a timber frame cavity. In vertical applications, both flanges are fixed, in horizontal applications only the top flange should be fixed.
The flanges are fixed to the frame using clout nails at 150mm centres. The polythene encapsulation offers on-site weather protection, but can be cut away without affecting the barrier’s performance.
Care should be taken butt joints are tighly fitted with no gaps remaining. The barrier must fully fill the cavity from brick to timber, with any cavity insulation cut back.
At door and window openings it is recommended the horizontal barrier should overlap the vertical barrier to ensure a close butted fit can be achieved.
ARC’s wealth of technical experience ensures that the best solution can be identified from their comprehensive range of products. All fire barriers and cavity closers are manufactured to NHBC requirements and hold LABC accreditation. Operating within an ISO 9001 Quality Management System and ISO 14001 Environmental Management System, all products are manufactured to the highest standards.
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