Weep Vents are used for making weep holes that are needed over steel lintels for draining away water that may collect inside an external cavity wall built from either bricks or blocks. Weep Vents are Injection moulded and available in a large range of colours so they can be easily blended with the masonry and mortar material. Buildworld brings to you the Timloc brand of Cavity wall weep or vents. They act as a weep to discharge water as well as useful as a ventilator that allows the cavity to breathe. Built to meet NHBC Standards 2008 Edition and BS EN ISO 9001: 2008. You can close your eyes and place your trust in our brand of weep vents, call today for a discounted introductory offer!