CLKS
300 Series
ESSENTIAL
NEW
Polypropylene
Cover
and Frame!
MANHOLE COVERS
Clark-Drain’s Revolutionary Square-to-Round Inspection Covers
In the last 15 years all newly built houses have had 300mm dia plastic inspection chambers installed. Following
extensive market research Clark-Drain developed the CLKS 300 series which enables the frame to be easily
connected to the top of all shallow inspection chambers and ensures easy installation. With a range of covers to suit
if its concrete or screeding or if you are installing on grass, tarmac or gravel
Clark-Drain have the solution!
CD 300SR
Fully Integral Lifting Keys
CLKS 300
Patent application Number GB2401641 A
4 x lockable screws
Grass
Block Paving
Fits all inspection
Fits all inspection
chambers 220 – 300mm
chambers 220 – 300mm
Gravel
Concrete screeding
Tarmac
Slab paving
Square to Round Recessed Range
Product Code
Clear Opening (mm)
Depth (mm)
Loading
CD 300SR
220–300
80
Driveway
CLKS 300
220–300
25
Driveway
  • More accessible
  • Integral Lifting Keys (where required)
  • Quick and easy to install
  • (fits directly on the chamber)
  • Supplied with polypropylene
  • Circular opening in frame fits all
  • Corrosion resistant
  • cover and frame
    major PP inspection chambers
  • Aesthetically more pleasing
  • Can be rotated to match
  • Guaranteed interchangeability
  • Driveway loading
  • direction of paving
    A
    F E T Y
    S
    1 ST
    T
    &
    S
    O
    F O R E M
    Clark-Drain Limited
    Station Road, Yaxley, Peterborough PE7 3EQ
    Email: sales@clark-drain.com
    A M A J O R I N N OVAT I O N
    Web: www.clark-drain.com
    F RO M C L A R K - D R A I N LT D
    Tel:
    01733 765317
    Fax:
    01733 246923
    Sales Hotline: 01733 765317