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  1. J

    Air Admittance Valves

    Could someone let me know the minimum height an AAV should be sited above the inlet pipe through which the soil flows into the stack pipe? I am concerned that I have foul air entering an ensuite from the toilet. Thanks.
  2. J

    wood preserver for outdoor patio furniture

    In the past I have used Ronseal and other brands like Cuprinol and Sikkens of wood preserver on table and chairs and do not know which one is best. Some seem to be like a plastic film over the wood and others seem to soak in and I cannot remember which one is which. I much prefer the stain and...
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