Image

Product Features
Corodrain valley troughs are a durable, economic alternative to lead. Corodrain A-type valley includes 35mm wide sanded strips for mortar adhesion. Meets all the requirements for the narrow valley troughs in NFRC Technical Bulletin 28.

  • BBA Approved Cert No. 89/2153
  • At least durable as lead
  • Similar in appearance to lead
  • Less prone to theft
  • Quick to install
  • UV light and acid rain resistant
  • Smooth surface inhibits the growth of moss &
    lichen and build-up of debris
  • Fire resistance to SAB to BS476 part 3 and Class 3 BS476 part 7
  • Suitable for use on roofs with pitches from 22.5° to 49°
  • Can accommodate a maximum difference between two rafter pitches of 10°
  • Designed for use with interlocking tiles, can also be used with natural and manufactured slate

Image

Product Features
Corodrain valley troughs are a durable, economic alternative to lead. Corodrain B Type Valley Troughs fix over the batten for fast and simple installation. Meets all the requirements for the narrow valley troughs in NFRC Technical Bulletin 28.

  • BBA Approved Cert No. 89/2153
  • At least durable as lead
  • Similar in appearance to lead
  • Less prone to theft
  • Quick to install
  • UV light and acid rain resistant
  • Smooth surface inhibits the growth of moss &
    lichen and build-up of debris
  • Fire resistance to SAB to BS476 part 3 and Class 3 BS476 part 7
  • Suitable for use on roofs with pitches from 17.5° to 55°
  • Can accommodate a maximum difference between two rafter pitches of 15°
  • Designed for use with natural slate, manufactured slate and plain tiles


Company No. 3314651
Registered Office: Keynes Roofing Centre Ltd, 60 Colts Holm Road, Old Wolverton, Milton Keynes, MK12 5QD
VAT No. 687743477

© 2020 Keynes Roofing Centre Ltd