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  1. R

    30's semi concrete slab DPC

    Hi all, Pulling up vinyl tiles in the kitchen (which had been there since the 60s I reckon) showed the concrete slab beneath. Not sure if this is the full thickness of the slab visible from outside (about 30 - 45 cm) or not. The slab is covered with some BLACK STUFF which is now coming...
  2. R

    Damp proof concrete slab

    Hi all, Pulling up vinyl tiles in the kitchen (which had been there since the 60s I reckon) showed the concrete slab beneath. Not sure if this is the full thickness of the slab visible from outside (about 30 - 45 cm) or not. The slab is covered with some BLACK STUFF which is now coming...
  3. R

    Conversion to combi

    I want to replace my 20+ yr old Glowworm with a new condensing combi. I would like to do some of the non-gas plumbing work myself to save money. I assume the main things to do just prior to connecting the combi are: a) flush and de-sludge the system b) disconnect and solder stop-end...
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