Wall aperture closer for fire protection around cables, etc. - uses frame fitting into hole and contg. foaming substance inside inner edge that expands to fill mould

摘要

The arrangement uses elastic material in a frame (1) inserted into the hole in the wall or ceiling. The material consists of a combination of a foaming substance (2) and a mould (3) into which this substance flows as it foams. The substance is located at the edge of the frame and is capable of forming a barrier. The frame (1) has a U-shaped profile. The foaming substance is located on the inside of the U-shaped profile such that the integral mould is enclosed at the edge by the substance. The mould has punched holes (4) of various shapes and sizes. ADVANTAGE - Easy to instal. Provides complete fire protection.