THERMODRAIN GRP manhole covers are tested as per BS EN 124 and AASHTO M306 for the load bearing and permanent set. Our covers are light weight and are available in various colours. THERMODRAIN manhole covers are manufactured for a load bearing ranging from 2.5 tons to 40 tons.They are not prone to theft as the materail is non reprocessable. The top surface of the covers is high abrasion resistant and hence suitable to vehicular movement There is no effect of water,chemical or sunlight on our covers. Our covers are also available with locking arrangement.
