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Plastic or cast iron sunroof?

First of all, let’s return to the question “ “What is a manhole cover for””
First of all, to ensure the safety of roads. Secondly, to create access to the communication system, and serve for many years.

And what is the advantage of polymer-sand hatches? Probably, only in their cheapness. Therefore, if your choice fell on a plastic hatch, then remember the expression: “A miser pays twice””

Of course, in parks, or in the area of green spaces, you can resort to installing polymer-sand hatches. But, as practice shows, even here an unpleasant circumstance may arise. After all, a pedestrian’s sharp heel will easily get stuck in such a lid, or at worst, the kids will break through the lid with a stone. We will not mention the quality of the installation.
Contractors who buy plastic hatches do not think about safety, their direct desire is to save money.

The superiority of cast iron is obvious. First, it will last for a long 20-30 years. This will significantly save the budget relative to polymer-sand hatches, which at first glance seem many times cheaper. Secondly, they fulfill their direct purpose according to GOST.

The NurKazMetal plant makes cast-iron, sewer manholes according to GOST standards. Each product passes strict certification.

Call us to get a detailed consultation.