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    • #71501
      Anonymous
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      Hi everyone,

      I have a flat roof on a 30 year old town house.

      When it gets very cold here in Montreal, the roof makes noises as if a bomb is going off. Since I have a light sleep, I keep waking up during the night.

      The roof is a membrane type, it was done in 2000. There are no visible leaks inside the house.

      Anybody has any ideas about what this can be ?

      Thanks, Felipe.

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