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Tank Specifications



RainTech® GRP Underground Tanks

UK made tanks manufactured to BS 4994 from high grade GRP; 100% glass fibre / resin mix with no fillers. These tanks are manufactured to our own specification to comply fully with BS 8515. This includes our unique Multisiphon overflow trap with built-in backflow protection. features" tab.


Tank (Litres) Length (mm) Diameter (mm)
5,0003,0801,670
6,0002,7001,840
7,5003,3501,840
10,0004,4501,840
12,0005,2501,840
14,0006,0501,840
16,0006,9001,840
18,0004,3502,620
22,0005,1002,620
26,0005,8502,620
34,0007,3802,620
38,0008,1502,620
40,0008,2002,700
45,0009,0502,700
50,0009,9502,700
55,00010,9002,700
60,00011,8302,700
65,00012,7702,700
70,00013,7102,700
75,00014,7002,700
80,00015,8002,700
90,00017,5602,700