Dan_F
Member
- Messages
- 5
- Location
- Gloucestershire
Hi everyone.
I'm planning on rennovating the ground floor of our stone cottage and would like to add some UFH as i'm going through the pain of digging out the existing concrete slab.
I plan to use approx. 150mm of Glapor (recycled foam glass) as the insulating layer.
I'm going to be digging out the floors by hand so I'd like to minimise the depth (as much as possible)...
In the book - Old House Eco Handbook (by Roger Hunt and Marrianne Suhr) they decribe two options that would be good approaches.
Option 1 - Limecrete
100mm with 'cast in UFH'.
But then I head about this second option that might be quicker (and cheaper) to do.
Option 2 - Dry solid floor construction
above the insulation layer,
30mm screeded sand
22mm sarking boards
screed replacement tiles
UFH - clipped in to a tray
and finishes above
My question is about Option 2.
Has anyone done this? The book doesn't say what 'encapsulates' / or goes above the UFH.
Secondly, I've found some ceramic screed replacement tiles here.
but am i wrong in thinking that just because they're ceramic, they might not be breathable.....
Option 2 sounds attractive, given that I wouldn't have to mix all the limecrete, it sounds a quicker install, and I'm aware that an NHL slab could harden as much as concrete over time.....
But any help or advice is greatly appreciated.
Thanks
I'm planning on rennovating the ground floor of our stone cottage and would like to add some UFH as i'm going through the pain of digging out the existing concrete slab.
I plan to use approx. 150mm of Glapor (recycled foam glass) as the insulating layer.
I'm going to be digging out the floors by hand so I'd like to minimise the depth (as much as possible)...
In the book - Old House Eco Handbook (by Roger Hunt and Marrianne Suhr) they decribe two options that would be good approaches.
Option 1 - Limecrete
100mm with 'cast in UFH'.
But then I head about this second option that might be quicker (and cheaper) to do.
Option 2 - Dry solid floor construction
above the insulation layer,
30mm screeded sand
22mm sarking boards
screed replacement tiles
UFH - clipped in to a tray
and finishes above
My question is about Option 2.
Has anyone done this? The book doesn't say what 'encapsulates' / or goes above the UFH.
Secondly, I've found some ceramic screed replacement tiles here.
but am i wrong in thinking that just because they're ceramic, they might not be breathable.....
Option 2 sounds attractive, given that I wouldn't have to mix all the limecrete, it sounds a quicker install, and I'm aware that an NHL slab could harden as much as concrete over time.....
But any help or advice is greatly appreciated.
Thanks