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  1. J

    Vapour barrier with laminate plasterboard

    I have seen laminate plasterboards (i.e. with insulation attached) with integrated vapour check/barrier. However I have also seen them without the vapour barrier and in fact I can get some of these cheap at the moment. I have been advised that I can put a poly sheet vapour barrier on the...
  2. J

    Insulating Solid Wall Extension - HELP, lots of Questions

    I am about to insulate my solid walled extension (of a 1936 cavity walled house – not sure of the date of the extension). The solid wall is twin skin, around 9" thick. The Options I had set my heart on using wood fibre boards (i.e. PavaWall, Pavatherm, Pavatex, Diffutherm, etc), but in...
  3. J

    Woodfibre Boards Insulation (Pavatherm/Pavatex/Diffutherm)

    I am looking into insulating my solid walled extension (of a 1936 cavity walled house – not sure of the date of the extension) in the next few months to make the bedroom more habitable for a new arrival! Please see //www.diynot.com/forums/viewtopic.php?t=74120 for details on the...
  4. J

    Solid Wall Construction and Insulating it

    I am looking into insulating my solid walled extension (of a 1936 cavity walled house – not sure of the date of the extension) in the next few months to make the bedroom more habitable for a new arrival! At the moment the room is very cold and I suspect it has a damp problem – there is...
  5. J

    Laying Marmox onto concrete floor ready for UTH and tiles

    I have a concrete bathroom floor. On the whole it is in pretty good nick but there are a few patches of dusty/crumbly areas. I want to lay 6mm Marmox down before the tiler comes on Monday to lay the tiles. The floor is not perfectly level as it is, there are a few humps. Can I use...
  6. J

    New solid pine boards over concrete floor in bathroom?

    I have seen concerns raised about solid wood floors in bathrooms due to moisture. I was originally going to lay travertine floor tiles but have decided that these are too cold - yes I know you can add underfloor heating but that is extra outlay and running cost. I like the idea of a...
  7. J

    Fitting a PRV - do I need a check valve?

    I have mains pressure hot water provided by a DPS GXV Heatbank. I am suffering a bit from water hammer which I'll admit is probably mostly down to unsecured pipework. However I have noticed that when no water is being demanded from within my house I still suffer from occasional hammer -...
  8. J

    Bath Taps

    I am about to fit a new (compact) bath in what is currently just a shower room (cubicle is going in favour of over-bath shower). I have recently installed a DPS GXV Heat Bank that gives me lashings of lovely mains pressure hot water. Vitra Rialto: 1700 x 750(head)/500(foot) The fat end...
  9. J

    New bath/mixer shower pipe sizes?

    Will be installing a new bath and mixer shower (currently have just an electric shower in a cubicle). Just want to know whether it is best to plumb in 22mm copper pipe to bath and mixer with 15mm branch to wash basin or just go for 15mm throughout. Will I get better pressure/flow with 22mm...
  10. J

    Ground floor insulation under floor boards

    I have a timber floating ground floor. I am about to rip up old floor boards (mixture of chip board and cranky old pine floor boards) and replace with new pine floor boards (120mm wide, 21mm thick, T&G) which I will stain and seal. I want to insulate between the joists while I am at it to...
  11. J

    Handbasin waste pipe route/slope

    I am adding a new upstairs cloakroom to my house. I need to add a handbasin and will be concealing the copper water pipes and plastic waste pipe (32mm) in a partition wall (don't have the luxury of an outside wall!). This means that the waste will have to drop vertically inside the partition...
  12. J

    New Upstairs Loo / Soil Pipe (and relocate downstairs loo)

    New Upstairs Loo Converting an old airing cupboard into an upstairs loo (its ~ 4'6"x3'6"). I need to run the soil pipe to the new toilet in the floor void between ground and first floors (it goes with the joists so that is OK). It will need to run for ~2m before it will exit the exterior...
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