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THERMODRAIN FRP / GRP / Composite Manhole Covers Vs Concrete Manhole Covers

THERMODRAIN GRP MANHOLE COVERS CONCRETE MANHOLE COVERS
No Steel Content, No Resale Value, Hence No Theft Theft Happens Due To Presence Of Steel Internally
High Strength To Weight Ratio. Low Strength To Weight Ratio
Long Life (20-30 Years) Short Life (2-3 Years)
Light Weight - Easy To Handle Heavy - Needs More Manpower
Excellent Abrasion Resistance Poor Abrasion Resistance
No Erosion Due To Rain Water, And Moving Vehicles Gets Eroded Due To Rain Water, And Moving Vehicles.
No Effect Of Sewage Water & Chemical Water Poor Resistance To Sewage Water & Chemical Water
No Environmental Degradation High Environmental Degradation