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#1
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Sealing plastic manhole rings
I am installing a couple of small plastic manholes/inspection chambers about
325mm dia. What is the proper way to seal between the riser rings for a water test? The rings are a push fit without the gaskets of the larger diameter chambers.. mark |
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#2
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Sealing plastic manhole rings
On Sep 4, 8:03*pm, "mark" wrote:
I am installing a couple of small plastic manholes/inspection chambers about 325mm dia. What is the proper way to seal between the riser rings for a water test? The rings are a push fit without the gaskets of the larger diameter chambers.. mark They are intended to be surrounded with concrete. If you wanted to seal them you could use silicon in the joints. But usually no-one bothers. |
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#3
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Sealing plastic manhole rings
mark wrote:
I am installing a couple of small plastic manholes/inspection chambers about 325mm dia. What is the proper way to seal between the riser rings for a water test? The rings are a push fit without the gaskets of the larger diameter chambers.. They don't need sealing - the bottom one will be sat on concrete or a plastic moulded base, and the next one up will be about 150mm above this. If the manhole should ever fill up, a small amount of leakage into the soil is the least of your worries |
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