Flexseal Logo

Global Leaders in Flexible Couplings, Drainage & Plumbing Systems

Return to "Lateral Connections"

UA Saddle

Connect DN150 lateral pipe into Twinwall, Weholite or Ridgistorm sewer / storage pipe over DN700.

UA WRC ApprovedThe UA Saddle can be used with all lateral pipe materials when used in conjunction with a Flexseal coupling. Please remember to order a suitable coupling to connect the lateral pipe. If you require any assistance in choosing the right coupling, please contact our sales team form or call us +44 (0) 1226 340 888.

UA product image


  •  No need to excavate around the pipe and disturb the pipe bedding
  • Will withstand 0.5 bar internal pressure
  • Withstands a vertical load of 1 tonne
  • Materials are unaffected by normal ground conditions

Usage Details:

Internal diameter of main pipe 700-3000mm
Wall thickness of main pipe 40-120mm
Drilled hole size 177mm


This product is suitable for wall thicknesses between 40mm and 120mm. 
The product is assembled to suit the application. 
For these saddles to function correctly the model chosen has to follow the pipe contour as closely as possible. Variations in wall thickness and pipe diameter can affect this.




Case Studies

Flexseal Lateral Connections Used on M1 Widening Scheme