Browse Forums Heating, Cooling & Insulation 1 May 31, 2011 12:06 am We're thinking of retro fitting hydronic under floor heating to our newly built house (onto the concrete slab) and was told by the professionals that the pipes would be 16mm and screeding would be at least 30mm. On top of that, our floating timber floorboards and underlay would be another 24mm so heating plus flooring would raise the floor level by 70mm. The problem is the window frames are only 20mm high. So the flooring would finish above the window frames and go into the glass.
Can anyone here suggest ideas or available options to overcome this problem without ripping all the window frames out? Really wish we had fitted the pipes when the slab was laid. We're devastated that our window frames will not accommodate the extra height in raising the floor level. Any recommendations would be appreciated. Re: HELP! - Height of floor heating exceed height of door fr 3May 31, 2011 9:58 am Won't you have a similar problem with all of the internal door? They'll need to be modified by removing some of the bottom of the door? The only solution i can think of for the windows would be to have a small frame around the base of each window. It would mean you have a small gap from the flooring to the window. Perhaps putting in an infill panel to raise the top of the window base artificially? Re: HELP! - Height of floor heating exceed height of door fr 4May 31, 2011 12:40 pm snotlet, Is it the doors (heading) that are too low or the windows (content)? I think a small screed cover over the pipes should be enough. I have 30 mm from the top of the reinforcement to the top of concrete, with 16 mm hyrdinc piping in there. So I would think that 30 mm all up shoudl be enough. Add to that 24 mm for timber and we arrive at 54 mm all up. Still it looks like this won't be enough as your window frames are only 20 mm. Could a dummy bottom frame section be installed? This woudl give the same look to the window and effectively raise the window. (Of course, if we're talking doors, that's simple to fix). One thing to keep in mind is any where you may be drilling (for example door stops). You need to ensure the pipes are well clear of any intented drilling point. Also, take photgraphs of the pieps before the screed goes on top. Also, how are you fitting the timber floor to the screed? Gluing sounds like the only option, but this costs more. Cheers, Casa Demolition August 2009, Construction Started September 2009, Completed December 2010 Re: HELP! - Height of floor heating exceed height of door fr 5Jun 01, 2011 1:29 am Thanks everyone for your help. The windows run right down to the floor so the bottom of the frame runs along concrete slab. The bottom of the frame is only 20mm high which is the problem. The internal doors and door frames are not a problem except for the doors which open to the external. I never realised you could get a dummy bottom frame. Where could I get this? Casa - thanks for the tip on drilling and taking photographs so I know where the pipes are located, good thinking. It's likely the timber floorboard would be glued. Re: HELP! - Height of floor heating exceed height of door fr 6Jun 02, 2011 9:12 am There is no part known as a dummy bottom frame, per se. What you would do is get the window manufacturer to supply extra bottom frame segments that you could attach on top of the flooring (or buy long sections and get your carpenter to cut and fit them). Demolition August 2009, Construction Started September 2009, Completed December 2010 Re: HELP! - Height of floor heating exceed height of door fr 7Jun 02, 2011 9:56 am Certainly an issue. I'm a fan of hydronic heating. You could consider radiators rather than in slab pipes. With only 20mm to play with, leaves even the floating floor no room. The cover over the pipes reduce to 10mm screed possible just make sure the screed has additives. Floating floor should be less than 24mm. Good Luck Pulpo If this is a custom build then I would expect the builder to set out the door frame closer to the wall to avoid the gap between architrave and the wall and or specify… 9 8287 For your reference Performance Labels: Window assemblies in housing, except timber windows, must be labelled so the label can be seen when it is in situ. For timber… 6 7673 i imagine you also have another contract with an architect? and yeah, whatever other's said about special conditions and appendices 16 15822 |