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  1. J

    Does a RSJ always require a padstone?

    What is the latest regs for installing an RSJ. I had a knock-through last year, paid the SE for calcs, paid the builder to install, and paid the LA to pass it. Job done. I went to a friends house when their builder was installing the 2xRSJ on their knock-through. I noticed he had used an old...
  2. J

    Drilling a cast iron soil stack?

    Hope someone can help.. I am relocating the bathroom and need to connect into the existing cast iron soil stack. The cast iron soil stack is 4". My questions are.... Can I drill the cast iron SS to fit 32mm & 40mm strap on PLASTIC bosses? Also can I drill the cast iron SS to fit the WC waste...
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