Recent content by merlecollins

  1. merlecollins

    Installing an open fire into a timber lined wall??

    Hi mountainwalker - I mean the timber framing work, this is lined with foil backed plasterboard. I have asked the joiner to leave me a 950x950mm opening in the centre of the chimney breast to install a fire insert into - obviosly this opening can be adjusted to suit whatever fireplace we get...
  2. merlecollins

    Installing an open fire into a timber lined wall??

    Cheers for that. :D Any tips on how to seal the fireplace in so no smoke escapes into the room from behind the surround?
  3. merlecollins

    Installing an open fire into a timber lined wall??

    Hi all, I have a 200yo house and have had to strip the dining room walls back to the bare stone and finish with a waterproof render and tanking system due to higher ground level outside :( Anyway the same room had an open chimney blocked up (which probably helped to cause a lot of the...
  4. merlecollins

    Fitting copper pipes into a concrete floor.....

    and will this not rot in time when screeded over? Daft question, but will it stick to the foam insulation??
  5. merlecollins

    Fitting copper pipes into a concrete floor.....

    Thats what i'll do then Seco :wink: 3 to 1 S/C screed using rapid curing cement. If I can when I get back I will completely wrap the insulation with the duct tape before screeding - do you think that will help? I was a bit worried that the foam would have to much give and wouldn't prevent...
  6. merlecollins

    Fitting copper pipes into a concrete floor.....

    Thanks Seco :wink: I'm working away from home as off tomorrow morning and I think the plumber is intending to fit the pipes as I have described - i.e. in the insulation with the joints taped. Do you think that will be OK?
  7. merlecollins

    Fitting copper pipes into a concrete floor.....

    Hi all, We are installing a new central heating system into an old houseand have a problem that cannot be avoided :( The ground floor is of concrete construction and we have to sink a few of the copper feeds for 4 radiators into the concrete :cry: I have created the relevant chases...
  8. merlecollins

    How long before final concrete finishing??

    Hi all, Finally poured the concrete in my dining room floor today :lol: Its 100mm thick with mesh in and I have got within an approx 5mm tolerance I reckon, then given it a wood float finish :wink: How long before I can walk on it and go over it with a steel trowel to finish it off?
  9. merlecollins

    Will the concrete weigh the insulation boards down???

    Have been doing a bit of a 'project' lately and would be very grateful of some advice :) I've been replacing an existing flagstone floor with a new concrete slab in a 200 year old stone house :wink: I've dug 300mm out and so far filled it back with the following: 100mm Type 1 hardcore...
  10. merlecollins

    Concrete slab query......

    Whats the easiest way to space the mesh 50mm up?
  11. merlecollins

    Concrete slab query......

    Thanks again!! What do you normally tie the mesh with?
  12. merlecollins

    Concrete slab query......

    Thanks for all that Deluks mate :wink: So, just to re-cap.... 100mm Type 1 sub base 20mm sand blinding 1200 Grade Visqueen 80mm Quinntherm 1200 Grade Visqueen (I'll still have loads left over!!) 100mm Concrete Then cover the slab with a sheet of the Visqueen for a couple of days...
  13. merlecollins

    Concrete slab query......

    Yes mate, the original floor was approx 200years old Caithness slate flagstones, with whats known locally as 'sea scrapings'(sand and shells) as a sub base, as we've been digging this out we have hit loads of slate pieces (and bones!!) that must have been thrown in to give a more substantial...
  14. merlecollins

    Concrete slab query......

    I've dug out loads of broken slate, but was just going to replace with solid Type 1 - is this OK?
  15. merlecollins

    Concrete slab query......

    No i'm not completely finished digging just yet, so reckon I could take another skim off the surface :roll: So by the looks of it I would need to go down to 300mm?? Does the sub base not compact down once I've wacked it? I've got a nett floor area of 14.6m2 - what quantity of sub base...
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