Cavity fire barrier for timber frame party wall junctions
The ARC T-Barrier® achieves a zero U-value at the party wall junction by sealing the party wall cavity. This minimises the effect of thermal bypass as well as reducing flanking noise in the cavity. The ARC T-Barrier® for Timber Frame provides a one-hour fire integrity at the party wall junction and meets the Robust Detail's requirement for a barrier where a separating party wall meets an external cavity wall, significantly reducing sound transmission along the cavity.
It is easily installed as the timber frame is erected. Polythene flanges are present to allow the barrier to be stapled back to the timber while the brickwork progresses, when a compression fit ensures that the barrier stays in place. For runs of more than 1.2 m, lengths of T-Barrier® should be butted tightly together, with care taken to ensure that there are no gaps.
Seals edge of party wall cavity, no U-value at party wall can be achieved, up to three times more effective as an edge seal than conventional methods, reduces flanking noise, minimises thermal bypass, easy to install
Rockfibre mineral wool, timber
130 x 200 x 1200 mm
F30/18 Cavity closers
F30/180 Cavity closers
50 mm party wall cavity, 50 mm external cavity, 65/65 x 65/200 x 1200 mm.
70 mm party wall cavity, 50 mm external cavity, 85/65 x 65/200 x 1200 mm.
Standard product features
Rock fibre mineral wool.
Fire rating (to BS EN 13501-1):