THERMODRAIN FRP/GRP/COMPOSITE MANHOLE Covers |
Cast Iron / Ductile Iron MANHOLE Covers |
High Strength To Weight Ratio. |
Low Strength To Weight Ratio |
No Scrap Value Hence No Theft |
High RISK of THEFT |
Light Weight - EASY To Handle |
Heavy - Needs More Manpower |
Corrosion Resistant, No Effect of SEA / Sewage Water. |
Gets Corroded By Sewage & SEA Water |
High Aesthetic Value, Available In Granite Finish Or Any Desired Color |
Standard Appearance |
Self Pigmented. No Painting Required |
Painting Required at Regular Intervals |
Less Fright & Handling Cost, Due To Less Weight |
Higher Fright and Handling Cost, Due To More Weight |
No Extra GRP Plate Is Required To Protect From Corrosion |
Extra GRP Plate is Required Below the Cover To Protect From Corrosion |