Industry leadingOur sales and technical team have over 20 years’ experience working with the industry leading rainwater systems available in the UK.
Expert adviceOur friendly service and competitive prices combined with a step-by-step support approach, make for easy rainwater product selection.
Nationwide deliveryOur delivery drivers cover the whole of the UK (mainland only) so no matter where you are, we can get your order to you.
Premium qualityOur aluminium, steel, cast iron, plastic & GRP rainwater systems are all sourced from the leading manufacturers in the UK to ensure they are of the highest quality.
Harmer Modulock Slot Channels
Harmer Modulock Terrace Slot channels are used in all types of raised deck construction where drainage at the façade and across entrances is a requirement. Compatible with inverted roof, warm roof. Green roof and podium deck construction.