Zero Percent Finance

By using our site you accept the terms of our cookie policy

BSI Kitemark

One Way Weep Vent

The One Way Weep Vent is a permanent, passive solution to protect the narrow vents (weep holes) in cavity walls from the ingress of flood waters.

One Way Weep vents are also used in Flood Defender Doors; strategically positioned in the lower door frame, they ensure no internal build-up of condensation.

  • Allows cavity to breathe & condensation to escape
  • Retrofit product
  • Ideal solution when no provision has been made for cavity venting or weeps or an insufficient number have been installed.
  • Protection against insects and debris
  • Highly cost effective
  • Available in 10mm & 8mm
  • Available in standard terracotta & white
  • 2 year manufacturer's guarantee.
  • External fins provide a lock-tight fit.
  • Flange covers drilling for a neat finish.
  • Clear colour blends with any facing brick or render to maintain the aesthetic appearance.
  • Use in timber frame and traditional build.
iso 14001

ISO 14001:2015

ISO 9001

ISO 9001:2008

bsi kitemark

Kitemark Certified Survey & Installation

chas accredited

Chas Accredited

Guarantee Protection through GGFI

Guarantee Protection through GGFI


UK Register of
Pre-qualified construction services

UK Flood Partnership
Business In The Community