Universal 20k Slate Vent

Klober's 20k Slate Vent is a large capacity ventilating slate to suit 600mm x 300mm (24” x 12”) and 500mm x 250mm (20” x 10”) double lap slates, man-made or natural, for roofs with a pitch over 22.5°.

Product features & benefits

  • Low profile design makes it unobtrusive on the roof line
  • Fits perfectly with adjacent slates
  • Slate grey cap blends in with most man-made or natural slates
  • Built-in downpipe to ensure direct ventilation path into the roof space
  • Fully wind tunnel tested
  • Adaptor will be available for soil ventilation or mechanical extraction
  • Prevents entry of birds and large insects
  • Perfect solution for Heat Recovery Systems with 150mm adaptor


  • 20K Slate Vent - KG9795
  • Slate Grey - 0429
  • Black - 0450


Dimension  600mm long x 380mm wide x 91mm deep  

Weight (per carton) 15kg 10 pcs per carton

Suitable for 

  • 600mm x 300mm (24" x 12")
  • 500mm x 250mm (20" x 10")
  • Man-made or natural Slates
  • Double lap Slates
  • Roofs with a pitch over 22.5º 

Rigid PVC

  • Complies fully with Building Regulations and British Standards

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