Allproof’s Rainwater Sump provides a durable and versatile solution for gutter drainage and overflow control. Manufactured from tough polyethylene (PE) plastic, this sump is designed to accommodate 80mm, 100mm, and 150mm pipe sizes, offering flexibility on-site and reducing the need for multiple product variations.

• • Suits 80mm, 100mm, and 150mm downpipes
  • Durable PE plastic construction for longevity and resilience
  • Integrated overflow riser enables both primary drainage and overflow in one fitting
  • Dropper outlet can be cut to suit the desired pipe size
  • Easy installation; cut hole and rebate flange for a flush fit in gutter
  • Compatible with asphalt-based membranes
  • 125mm sump depth supports high flow performance during downpours