On 30/12/17 10:27, Tim Watts wrote:
On 30/12/17 01:19, Tricky Dicky wrote:
The heat loss through a glazed roof will be horrendous even if double
glazed if our old conservatory roof was anything to go by. We replaced
it with a lightweight insulated roof and so far through the coldest
parts of winter the temperature has stayed about 1C at most below the
temperature of the lounge where the thermostat is situated this is
despite a considerable amount of glazing remaining. If you feel you
need some light coming through the roof then I would limit it to
smaller roof lights.

Richard


You can get to 0.6W/mK with this:

file:///home/tw/Downloads/Pilkington_energiKare_Triple_and_Pilkington_Insuli ght_Triple_High_WER_Scores.pdf


Sorry - that was Chrome's fault...

This should get the same PDF:

http://assetmanager-ws.pilkington.co...ef=10362&cd=cd