For attaching wooden step treads in concrete sub-constructions.
The fischer stair-tread fixing TBB is a fixing solution for mounting wooden stair treads on concrete staircase stringers. The special fixing consists of a fixing sleeve made of high-quality nylon and a suitable screw. When driving in the screw, the fastener expands in the concrete. Afterwards, the fastener is bonded in the wood step using cold wood glue.
