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im just undergoing an extension and plan to put a large crittal screen on the back of the wall that is about 5m wide and 3m high.
along with this there will be a set of french double opening doors to the side of the box.
as the u value is pretty bad on steel glass (I’m looking at the w20 non thermal break versio) I wanted to improve the thermal properties a little by using aluminium triple glazing elsewhere?
that would include a large window 3m high and 2m wide - as well as a long letterbox window 3.6m wide and 0.6m high
My only worry is combining the two ? Would it be noticeable do you think ?
the aliminium would be recessed into the wall so minimal frames on show .. do I guess its not really an issue- but Id like to know everyone’s thoughts on it
can you use aluminium framed glass alongside steel framed glass in the same room.