Cavity brush, white ø 90mm, 1 mtr
Cavity brushes are used in cavity wall insulation to prevent the insulation material from falling away to the neighbors. Through small holes in the mortar joints, the brushes are placed in the cavity wall at the property boundary. Once the brushes are in the cavity wall, they expand, after which the insulation material can be injected.
The brush is round and white, is 1 meter long with a diameter of Ø90mm.
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