manholes COVER

manholes COVER Specification

Shape
Square

Base Dimension
15

Coating
Other

Application
Water Supply, Drainage

Material
FRP

Load Capacity
12.5 Long Ton

Tensile Strength
25 Newtons per Millimetre Squared (N/mm2)

Dimensions
20 Centimeter (cm)

Weight
5 GSM (gm/2)

Lock
Yes

manholes COVER Trade Information

Minimum Order Quantity
50 Number

Delivery Time
15 Days

About manholes COVER

An Fiber Reinforced Plastic (FRP) manhole is a lightweight, high-strength underground utility chamber or access cover made from a composite of thermoset resin and fiberglass reinforcement designed to replace traditional concrete and cast iron.

Description

Material Composition: Built using fiberglass mats or woven roving bonded with polymer resins (polyester, vinyl ester, or epoxy) combined with fillers and UV stabilizers.

Core Benefits: Completely rust-proof, chemically resistant to sewage and acids, and has zero scrap metal resale value, which deters theft.

Weight Advantage: Roughly 40% lighter than traditional precast concrete or cast iron equivalents, allowing manual lifting without heavy machinery.

Technical Specifications

Load Ratings & Categories:
- Low / Light Duty (Type 1-2): 2.5 to 5 Tons (pedestrian zones, walkways, residential areas).
- Medium Duty (Type 3): 10 to 12.5 Tons (light commercial parking, side streets).
- Heavy / Extra Heavy Duty (Type 4-5): 20 to 40+ Tons (main roadways, industrial yards, highways)