Plastic weeps Rytons Building Products offers a choice of four preformed plastic weeps, designed for ease of installation: the Weep Hole Duct, Rytweep, Slim Vent Minor and Flyscreened Slim Vent Minor. The BBA-approved weeps can be fitted by replacing a vertical mortar joint and each is available in a range of colours to match mortar and brickwork. Rytons has recently …