Yes i would retain rads on the upper 2 floors
&
cellar. Just looking at ground floor as i am about to knock out walls etc.
I
have full access to underneath.
What is the ideal temp of water for under
floor ? I
prefer the rads cool as i find having them belting hot give me a headache.
The
new boiler has dial in temp and the whole house is zoned with my
HA.
The URL is a good resource many broken links
though.
Hi, It is possible to simply clip the plastic
UFH
pipes to the underneath of existing floorboards, but there are several
problems that this also generates, such as how do you route the pipes
through the existing joists (depends upon access etc), how do you
insulate
below (you can buy pre-grooved insulation that will slot between
regularly
spaced joists, and also thermal mass. Thermal mass, IMHO, is a
real
requisite for UFH, as the heat is gradually transferred into the thermal
mass, e.g. concrete, and is then slowly and evenly released. This does,
however, mean that it is slow to react (but given a decent monitoring
and
control system - ideally with some form of automation ! e.g. HomeVision
or
an intelligent controller e.g. DCD).
Another problem is the
wood, which may not react quite as you might wish - the heat drying,
warping and generally not reacting well with the wood. I've got UFH in
concrete/flagstones, but many people have installed UFH under
wood.
If you're going to retain some rads, and have a mixed
system (UFH + rads) you'll need to think carefully about the temperature
for the UFH component and potentially mixing the UFH temp
down.
> -----Original Message----- >
From: steve
[SMTP:steve@xxxxxxx] > Sent:
Thursday, October 11, 2001 4:19 PM >
To:
ukha_d > Subject: [ukha_d] Underfloor
heating > > Hi, > > On our ground floor we
have a standard tougne and grove timber floor on 7 > x 4 joists. I
have
full access to the underside from the cellar. Is it > possible to fit
underfloor heating from underneath ? if so what type ? > Boiler temp
is
55C for rads > > -- > Steve >
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