GRP Interlocking flooring plank

DECK500 is a one-piece pultruded profile, 500mm cover width, with a tongue and groove joint along the length of the plank that gives a firm, sealable joint between lengths of profile.

DECK500 is suitable as a mezzanine floor, for walkways, pedestrian bridge decks and odour control covers or to keep out water penetration in potable and waste water treatment units.

DECK500 can be used in a number of other applications where its strength, light weight and easy of joining provide important benefits.

For example:

  • Flood defence barriers – easy to install, no theft value
  • Baffles in water treatment tanks
  • Stop locks
  • Top deck covers for cooling towers


DECK500 gives a solid floor with a gritted anti-slip surface.  It will span 1.5m at a design load of 5kN/m2 with a deflection limit of L/200 and meets all the requirements of BS 4592 Industrial type flooring and stair treads and BS EN ISO 14122  Permanent means of access to machinery.

Mechanical Properties

The following data has been calculated from measurements made of the full section modulus –test method EN 13706, Annex D

UDL loading
span mm 750 1000 1250 1500 1750
deflection=L/200 3.75 5.00 6.25 7.50 8.75
load kN/m2 42.73 18.03 9.23 5.34 3.36

Centre point loading
span mm 750 1000 1250 1500 1750
deflection=L/200 3.75 5.00 6.25 7.50 8.75
load kN/m2 10.02 5.63 3.61 2.50 1.84




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