For use in any situation where water must be discharged from any external wall built from brick, block or stonework of 100mm or more in thickness e.g.: - At ground level floor slab level - Within cavity tray and other DPC systems - Over external lintels - Where a cavity must be ventilated. 1143 Robust material with a long product life Less prone to inadvertent pointing-up than weep holes from by leaving the perp. joint open Available in a range of colours to blend with masonry and mortar colour Fascia constructions prevent the entry of large nest building insects Universal weep extension unit (+50mm) compatible with 1143 Manufactured from UV stabilised polypropylene Retrospective/refurb wall weep vents/ drill vents DV1, DV2 and DV3 Equivalent area of 198mm2 Circular design allows efficient ventilaition Easy and quick to install Intregral front grille prevents evntry of large nest building insects into the cavity 143 wall weep vents provide a free airflow area of 165mm� per unit
Cavity Wall Weep Vent Red 1143
SKU: 29751020