The method described by your salesman is by far the most superior as regards replacement windows.
The building practices in Scotland are different from England and Wales due to our more extreme Weather.
Replacement double glazing needs to be 10% more efficient than anywhere else in the UK.
ie better u values.
The cheaper and more broadly used method is that explained in the forum.
good luck.
The building practices in Scotland are different from England and Wales due to our more extreme Weather.
Replacement double glazing needs to be 10% more efficient than anywhere else in the UK.
ie better u values.
The cheaper and more broadly used method is that explained in the forum.
good luck.
