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Stainless Steel Invisible Manhole Cover

Stainless steel invisible manhole covers are usually pre-buried in the manhole cover opening, and the manhole cover frame is less exposed on the ground. 


Different materials can be filled in the stainless steel invisible manhole cover according to the surrounding environment.


It blends in with the surrounding environment, is beautiful and not easy to be found, effectively reducing the chance of theft.

manhole cover
invisible manhole cover
manhole covers for sale

Invisible Manhole Cover Specification&Size

Invisible manhole cover conventional size comparison table
Base plate thickness3 mm4 mm5 mm
Length x Width x Height mm400 x 400 x 50400 x 400 x 50400 x 400 x 50
500 x 500 x 50500 x 500 x 50500 x 500 x 50
600 x 600 x 60600 x 600 x 60600 x 600 x 60
700 x 700 x 60700 x 700 x 60700 x 700 x 60
500 x 500 x 80500 x 500 x 80500 x 500 x 80
600 x 600 x 80600 x 600 x 80600 x 600 x 80
700 x 700 x 80700 x 700 x 80700 x 700 x 80
800 x 800 x 80800 x 800 x 80800 x 800 x 80
1000 x 1000 x 801000 x 1000 x 801000 x 1000 x 80
500 x 500 x 100500 x 500 x 100500 x 500 x 100
600 x 600 x 100600 x 600 x 100600 x 600 x 100
700 x 700 x 100700 x 700 x 100700 x 700 x 100
800 x 800 x 100800 x 800 x 100800 x 800 x 100
1000 x 1000 x 1001000 x 1000 x 1001000 x 1000 x 100
Customization is supported with good quantity


Invisible Manhole Cover Installation Demonstration

manhole cover

Invisible Manhole Cover Installation Steps

1. Place the manhole cover frame into the pit
1. Place the manhole cover frame into the pit
2. Put the inner frame into the outer frame
2. Put the inner frame into the outer frame
3. Cement mortar for inner frame bottom layer
3. Cement mortar for inner frame bottom layer
4. Use the same floor tiles to cover the entire interior frame
4. Use the same floor tiles to cover the entire interior frame
5. Installation completed
5. Installation completed

More Products for Customers to Choose

heavy duty manhole covers

Application of Invisible Manhole Cover

Click here to see the application of invisible manhole cover.

Stainless Steel Invisible Manhole Cover
Stainless Steel Invisible Manhole Cover
Stainless Steel Invisible Manhole Cover
Stainless Steel Invisible Manhole Cover
Stainless Steel Invisible Manhole Cover
Stainless Steel Invisible Manhole Cover
Stainless Steel Invisible Manhole Cover
Stainless Steel Invisible Manhole Cover
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NO. 345 Yanxin Road, Huishan District, Wuxi, China
sales@sino-grating.com +86-0510-86890852 8618921275456