Easy Trim Weep Vent Buff

An Unobtrusive Vent Which Sits Between Two Bricks To Ventilate Cavites And Provide Drainage For Lintels And Cavity Trays. Easy-trim Weep Vents Feature And Angled Grill Which Aids In The Prevention Of Insect Entry And The Ingress Of Wind Driven Rain. Please note: This item is a plastic component and therefore is not suitable for use within a) the external walls of buildings more than 11m high where people sleep on the premises (residential, institutional or hospitality) or b) external wall surfaces within 1m of the boundary if the building is 11m high or less, in England. For a compliant alternative see Rytons A1 Fire Rated Metal Rytweep Cavity Weep Vent. Nhbc Requirments Stipulate Spacing At 450mm Centres With A Minimum Of 2 Above All Windows And Doors