Cavity wall weeps or cavity drain units should always be installed in cavity masonry walls to allow drainage and ventilation at regular intervals. They are required at ground floor, below DPC level, and must also be provided as part of any cavity tray run, including roof abutment trays, over lintels and continuous cavity tray systems, such as gas protection barrier systems.
Click and Collect within 60 minutes: Relates to orders placed between 8am and 2:30pm Monday to Friday excluding weekends and Bank Holidays. Please do not attend the branch until you have received your collection reference via email.
Delivery: Regional delivery only, orders to be delivered within 2 working days. The delivering branch will contact you to liaise.