The multi-function 1143 cavity wall weep designed for cavity ventilation and reliable discharge of water from inside cavity walls. This could be over external lintels or wherever a cavity tray system is installed.
Purpose made and pre-formed to guarantee reliable discharge of water
Less prone to inadvertent pointing-up than weep holes formed by simply leaving the perp. joint open
Integral front grille prevents entry of large nest building insects into the cavity when using product 1144
Range of colours to blend with brick or mortar colour