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Making underground air pipe water-tight

  • 21-11-2014 9:43pm
    #1
    Registered Users, Registered Users 2 Posts: 1,210 ✭✭✭


    Hey all,
    We have provisioned for two stoves in a new build. The house is quite air-tight, and we have run external air supply pipes under the floor outside under the footpath and drive and they come up in the garden about 70cm about the level of the grass.

    Stove was working fine until the last week around the time the rain really set in. The problem is there's water getting into the air supply pipe. It's not from the air opening above the lawn. That has both an anti-vermin grill and a rain cowl. The problem seems to be the joints in the pipe-lengths letting in water from the soil. I have a water pump.
    It's clear I'm going to have to dig up the pipes to inspect them, but I was wondering if anyone has any tips on how to make the pipes water-tight and/or alternative solutions to the issue?


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