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  1. W

    Type of sleeving for a gas pipe passing through a wall

    I have found out the walls are solid granite, not cavity walls does this make any difference?
  2. W

    Type of sleeving for a gas pipe passing through a wall

    Thank you very much for your quick and very helpful reply. The house is old and has 18" granite exterior walls but I think they are of cavity type :o)
  3. W

    Type of sleeving for a gas pipe passing through a wall

    We are having our hob connected to outside propane lpg. We have sleeved the copper pipe where it passes through the outside wall with a short length of waterproof hose & sealed the hose where the end edge is on the outside, (all recommended by guidance on the web). We called a GasSafe engineer...
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