Covering for cooling towers



Covering for cooling towersLOW THERMAL CONDUCTIVITY. The heat loss to the environment is significantly reduced compared with the use of multilayer metal panels due to the low thermal conductivity index, both in the case of use one-layered installation and in the case of a two-layered installation, where the gap between the covering sheets is filled with fiber glass or slag wool.

CORROSION RESISTANCE. Covering sheets may additionally be covered with a protective film and/or gel-coated on both sides with an aim to improve the performance indexes even despite of resistance to general corrosion (by impact of chemicals and sea water).

Covering for cooling towersNO EXPLOITATION COSTS. It is enough to make common periodic cleaning.

RESISTANCE TO BIOFOULING. FRP material eliminates the possibility of the formation of micro-organisms, mold and fungi on the surface of the covering

FROTHINESS AND STRENGTH. FRP covering can significantly reduce the construction costs, as it does not require any heavy support elements. The FRP material does not create excessive additional load on the structure of the design due to the frothiness.

WASTE MINIMIZATION. The possibility of prefabricated sheets with pre-installed length, which was ordered by customer, allows minimizing residues of sheets cutting during performance of assembling work.

WIDE RANGE OF COLORS. Painting of covering can vary in a wide color spectrum.

Covering made of fiberglass reinforced polyester (FRP) does  not generate additional sound noise during  rain

Covering made of fiberglassDistinctive features of the covering made of fiberglass reinforced polyester in comparison with metal ones:

  • light weight, ease of transportation;
  • less mounting material;
  • there is no need for lifting equipment for carrying out of construction works;
  • high corrosion resistance and no costs for painting;
  • electrically non-conductive structure;
  • better absorption of equipment vibration.

Technical characteristics


Thickness of FRP sheet t=1,5 mm Weight of the sheet: 2833 (g/m2)
Length of structure spacing, L cm 75 100 125 150 175 200
Load, Р (kg/m2) 1244 842 643 489 380 300
Max load, kg/m2 2210 1247 800 550 404 310

Technical characteristics

Thickness of the sheet:

Maximum tensile stress:

Modulus of elasticity in tension:

Bending resistance:

Moisture absorption:


Length of the sheet:


Protection coating:

1,5 mm

61,2 N/mm2

8000 N/mm2

190 N/mm2


1,5 g/sm3

max. 6 m

В2 according to DIN 4102


Test for strength:

The sample did not change dimensions, color  and weight at being dipped in 5% NaOH and 5% HCl solution and soaked for 1 week.

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