The telescopic test joint box is especially designed for external thermal insulation composite systems (full thermal insulation).
Properly installed, the constructive design (with adhesive surface for attaching a swellable waterstop tape) with specially edged StSt cover with seal, ensures resistance to driving rain.
The test joint box is telescopable from 90-140 mm and using the additional spacer it can be used up to an insulation material thickness of 320 mm.
Delivery includes the adequate fixing elements (screws and dowels) as well as a styrofoam cover (soiling protection during plastering).
Suits for insertion of (perforations):
–Round wire Ø8-10 mm
–Round wire with plastic sheath Ø13 mm
–HVI Conductors Ø20-27 mm
–Flat strip 30x3.5 mm
For insualtion material thicknesses between 140 mm and 320 mm.