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    source of U values

    going to try and down load that program. a little concerned as the figures i had managed to find on line give a solid uninsulated concret floor as U value of 2, a little different to 0.09 as suggested above and 11" wall as 1.4 not 0.265 as above. Can anyone else give some second opinions as...
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    source of U values

    Forgot to add, what is the temperature that should be assumed of the ground to calculate the tempereatur differnce across the floor. Note, i am in southampton
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    source of U values

    I am trying to design my central heating system and am having difficulty finding some U values. The building is a 1930's bungalow so is not constructed with any modern standards where U values are readily available. I need U values for Solid concrete floor (i believe is 2, assumed to be the...
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    is an internal step into bathroom ok?

    For the information of others, i have now spoken with building control about this issue and their comments were as follows. since we as the occupants will be familiar with the step it is allowable so long as the door opens outwards and that the step is no more than 220mm. thanks for the...
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    stud walls - metal or timber? best for sound

    Thanks I project manage the installation of a hell of a lot of partitioning as part of commercial fit outs, so know a bit, but we always use metal (hence the access to low cost materials). But i dont have any data for timber hence the enquiry. You are right that soundblok is probalby a bit...
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    stud walls - metal or timber? best for sound

    I have access to cheap metal partitioning materials but someone has mentioned that timber systems are better at stopping sound transmition. Does anyone know if this is true.? I want to stud off a small area of the lounge and break through into the kitchen to form a utility room. this will...
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    new lintel, how to fix door lining to it

    I assumed that there would be a small degree of sag in the middle sounds like job should be easy then. thanks
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    new lintel, how to fix door lining to it

    I need to cut a new dooway in a blockwork wall. The wall is only single storey (bungalow) and only supports ceiling joists. I need to install a lintel first but wondered what to use. If i use a normal concrete lintel, how do i fix the timber door linings to the underside of it? Can i use timber...
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    is an internal step into bathroom ok?

    This would be a step down into the bathroom if that makes any difference
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    is an internal step into bathroom ok?

    I am converting the roof of our bungalow to accomodate 2no. bedrooms with ensuites. The roof centre of the roof had previously been converted into a room but the first floor joists were installed above the orginal ceiling joists giveing a total depth of 320mm. The span for the new ensuite only...
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    solar hot water understood by can it central heat too?

    Thanks for that DeltaT2, i dont supposed you could give me a little more info on these panels like where i can get them? Hope that is ok. Probably not a potential customer as i notice you are in glasgow and i am in southampton.
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    solar hot water understood by can it central heat too?

    Thanks for that. Explains why i can not find a schematic including the rad or underfloor cicuit. How much of your gas bill actually goes on hot water then? I would have thought the majority goes to heating your home. Therefore the appeal of solar heating isnt so good.
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    solar hot water understood by can it central heat too?

    I understand the principals of solar collectors pre heating water in your hot water tank but can it also be used to pre heat the water in your radiator circuit? Does anyone have any details on this or links to schematics if possilble?
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    external render for patio walls

    The stop bead above the slabs wont work due to the slate being uneven. there would be large gaps in places. I have now laid the slabs up to the edge and i am going to lay a thin strip around the edge as a skirting. The stop bead then sits on this thanks for the help
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    external render for patio walls

    Yes the walls are already built so i dont think the engineering brick idea will work although i like it. concrened that if i lay the slabs first and render down to them that i may not get a neat edge due to the uneveness of the slate, and that the ed would be liable to crumble away. Perahps i...
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    external render for patio walls

    Does anyone have a view on this. Plan on doing this tomorrow since the weather is good thanks
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    external render for patio walls

    I have built some blockwork retaining walls around our new patio. The are about 3 foot tall. I plan on rendering them and installing a slate capping and slate patio. I had planned laying the capping first which overhangs the wall and then rendering from the underside of this down to the...
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    timber framing details please

    thanks for that. I will have a look for the book. You arent the author by any chance :) ? Does anyone know any links of any detail drawings eg the method that woody has dsescribes, especially of those details around the base and openings
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    timber framing details please

    I am looking at the options on how to build my single storey extension. I am contemplating a full timber frame constrcution, like the closed panels you can get premade. The only construction details i can seem to fine on line consist of timber inside wall but with an external brick wall. Can...
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    structural engineer recommendations, hampshire

    Can anyone recommend a good value (what i mean is cheap and decent) structural engineer for an extension project near Southampton/Portsmouth? Had a couple of recommendations from friends/family but none local so cost of simply coming to have a look a the place is off putting. I hope i am...
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