Backwall Height

Backwall heights: 1080mm - 1300mm

Single or Multiple Pipe openings

Single or multiple pipe openings

Specifiable invert levels

Specifiable pipe invert levels

Maximum pipe size

Maximum pipe size:
450mm

Althon RSFA18 Angled Precast Headwalls are Sewers for Adoption compliant angled precast concrete headwalls for outfalls discharging into ponds, swales, ditches, beaches and rivers. RSFA precast headwalls come with the option of two thicknesses of toe, 300mm and 500mm, each of which is available in three depths. 

Althon manufacture RSFA18 angled precast headwalls with three different wall profiles to suit the gradient of the bank as follows 1 : 1 slope, 1 : 2 slope and 1 : 3 slope.

RSFA18 angled precast concrete headwalls are typically supplied complete with Kee Klamp® Handrail to the back wall and horizontal sections of the wing walls, a galvanised steel access ladder and a self-closing gate with padlock facility above.

The backwall of the headwall can accommodate a correctly sized Sewers for Adoption compliant hinged outfall safety grille.

Althon RSFA18 precast headwalls are manufactured in accordance with Severn Trent Water Standard detail STD6002 for pipework up to 450mm

All RSFA Headwalls are cast with the opening in the back wall to suit the size and type of pipe being used at the invert level required.

If you require any assistance or more information please contact us by phone on 01603 488700 or by email sales@althon.co.uk

RSFA18A 01 2270 LH Angled Rectangular Headwall

RSFA18A 01 2270 LH Angled Rectangular Headwall

  • Pipes up to 450mm ID with 1:1 wall profile
  • 1080mm back wall height 
RSFA18A 01 2270 RH Angled Rectangular Headwall

RSFA18A 01 2270 RH Angled Rectangular Headwall

  • Pipes up to 450mm ID with 1:1 wall profile
  • 1080mm back wall height 
RSFA18A 01 2940 LH Angled Rectangular Headwall

RSFA18A 01 2940 LH Angled Rectangular Headwall

  • Pipes up to 450mm ID with 1:1 wall profile
  • 1080mm back wall height 
RSFA18A 01 2940 RH Angled Rectangular Headwall

RSFA18A 01 2940 RH Angled Rectangular Headwall

  • Pipes up to 450mm ID with 1:1 wall profile
  • 1080mm back wall height 
RSFA18A 05 2940 LH Angled Headwall

RSFA18A 05 2940 LH Angled Headwall

  • Up to 450mm Pipework
  • 1080mm Backwall Height
  • SFA Compliant
RSFA18A 05 2940 RH Angled Headwall

RSFA18A 05 2940 RH Angled Headwall

  • Up to 450mm Pipework
  • 1080mm Backwall Height
  • SFA Compliant
RSFA18A 05 3210 LH Angled Headwall

RSFA18A 05 3210 LH Angled Headwall

  • Up to 450mm Pipework
  • 1080mm Backwall Height
  • SFA Compliant
RSFA18A 05 3210 RH Angled Headwall

RSFA18A 05 3210 RH Angled Headwall

  • Up to 450mm Pipework
  • 1080mm Backwall Height
  • SFA Compliant
RSFA18A 10 3570 LH Angled Headwall

RSFA18A 10 3570 LH Angled Headwall

  • Up to 450mm Pipework
  • 1080mm Backwall Height
  • SFA Compliant
RSFA18A 10 3570 RH Angled Headwall

RSFA18A 10 3570 RH Angled Headwall

  • Up to 450mm Pipework
  • 1080mm Backwall Height
  • SFA Compliant
RSFA18B 01 2270 LH Angled Headwall

RSFA18B 01 2270 LH Angled Headwall

  • Up to 450mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA18B 01 2270 RH Angled Headwall

RSFA18B 01 2270 RH Angled Headwall

  • Up to 450mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA18B 01 2790 LH Angled Headwall

RSFA18B 01 2790 LH Angled Headwall

  • Up to 450mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA18B 01 2790 RH Angled Headwall

RSFA18B 01 2790 RH Angled Headwall

  • Up to 450mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA18B 05 2940 LH Angled Headwall

RSFA18B 05 2940 LH Angled Headwall

  • Up to 450mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA18B 05 2940 RH Angled Headwall

RSFA18B 05 2940 RH Angled Headwall

  • Up to 450mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA18B 10 3570 LH Angled Headwall

RSFA18B 10 3570 LH Angled Headwall

  • Up to 450mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant
RSFA18B 10 3570 RH Angled Headwall

RSFA18B 10 3570 RH Angled Headwall

  • Up to 450mm Pipework
  • 1300mm Backwall Height
  • SFA Compliant