FRP material manhole cover surface can do any shape, pattern can be any design, any color and high bearing capacity.
wear-resistant, impact-resistant, not afraid of sun and rain, anti-static, environmental protection and anti-theft, etc, is the ideal alternative to traditional metal manhole covers.
More than 30 years service life without crack and color fading, comparing to 5 years of cast iron.
Anti corrosion, water, dust and pets tight, well sealed prevent poisonous gas leaking out.
Without displacement, freely radio signal passing.
Higher and lower temperature tolerance with the range -40-200 degrees.
Wear indicators available when thread depth is in a danger value.
Zero theft value, reducing potential accident and further maintenance cost caused by thieves.
Surface anti-slip thread guarantees safe road condition even in extreme weather.
Locks are available as an option molded into the cover to improve security rate.
Non-electricity conduction and non-heat conduction
Product Description