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