Heavily corrosive environment (VE)

Intergrate® VE GRP gratings are produced with a high-quality patented vinylester resin combined with a continuously woven fiberglass pattern. There are two types of vinylester resin:

  • VE-FR
  • VE-XFR

Types of resin

When choosing the type of resin, you need to determine whether the grating must be fire-resistant. You can choose between:

  • VE-FR
    • VE-FR is a resin that is extremely suitable for a highly corrosive and chemical environment and is highly fire-resistant with controlled spreading of smoke. The abbreviation FR stands for ‘Fire-Retardant’.
  • VE-XFR
    • VE-XFR is a resin that is extremely suitable for a highly corrosive and chemical environment and is extremely fire-resistant with controlled spreading of smoke. This type of resin has a flame propagation index of 10 and a smoke index of 1100 in accordance with the ASTM E-84 tunnel test. The abbreviation XFR stands for ‘Extra Fire-Retardant’.

Anti-slip class

As standard, all Fiberstruct GRP gratings are produced with an anti-slip class in accordance with BGR 181 and DIN 51130. The slip-resistance of surfaces is categorised in anti-slip classes. These GRP gratings satisfy anti-slip class R13 (greater than 35°, extremely high coefficient of friction).

Class      Angle of inclination
R 9 6° - 10°, low coefficient of friction
R 10 > 10° - 19°, normal coefficient of friction
R 11 > 19° - 27°, good coefficient of friction
R 12 > 27° - 35°, high coefficient of friction
R 13 > 35°, very high coefficient of friction

Available mesh widths

Fiberstruct GRP gratings are available in the following thicknesses and mesh widths:

Grating thickness

(in mm)

Grating mesh width (in mm)

centre-to-centre         

 Gratins mesh width inside

(in mm)

13 51 x 51 45 x 45
25/30/38 38 x 38 32 x 32
30/38 Micromesh      19 x 19 13 x 13
51 51 x 51 43 x 43

RAL colours

  • As standard, VE-FR GRP gratings are provided in the colour red-orange RAL 2002 (other colours on request).
  • As standard, VE-XFR GRP gratings are provided in the colour grey RAL 7043 (other colours on request).

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A new office Our new office at Industrieweg 32 in Terneuzen is almost finished and our GRP gratings cannot be missed of course! We will move to the new office by the end of this year.
Project reservoir Africa Fiberstruct has recently succeeded in providing a total GRP solution for an important reservoir in Africa. We supplied GRP gratings and ladders with anti-slip and GRP railings Another great collaboration abroad!