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HD Sharman Ltd.
High Peak Works,
High Peak,
Derbyshire SK23 0HW

Sump box complete with outlet

  • Make sure the gutter around the sump box is clean and dry. Blow dry with heat gun if damp
  • Continue to roll the liner two metres beyond the sump box ensuring the liner is pressed firmly into the gutter creases
  • Using a Stanley knife, cut around the sump box removing the section of liner
  • Pin the liner at the four corners first and every 200mm along the length and width
  • Ensure Sharmans Fixing Caps are installed over all fixings prior to welding
  • Push the sump box through the hole in the liner ready for welding
  • Tack weld the sump box on all four corners forming four pockets that require welding
  • Fully weld all four pockets to the liner to complete the installation
  • Allow the sump box to cool before probe testing the weld
  • Any un-welded area’s will have to be re-welded and again probe tested once cool


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