Color: Black
Sale price£0.23
In stock


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.

The 1144 cavity wall weep extension offers a +50mm extension and connects directly onto the 1143 cavity wall weep.

For use in any situation where water must be discharged from an external wall, including:

  • At ground floor slab level
  • Within cavity tray systems
  • Over external lintels
  • Where a cavity must be ventilated
  • On external walls – 100mm or more in thickness – built from brick, block, or stone

Features & Benefits 

  • 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 1143
  • Range of colours to blend with brick or mortar colour: Terracotta, Buff, Brown, Clear, White, Grey, Black or Blue Black
  • Longer lengths built up with extension pieces

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