Not sure what you mean but the frame is 40mm wide until the bead that keeps the glass in and 70mm deep
Been installed for around 8 years and had no problem before! Why would it all of sudden happen now?
Thanks
It appeared with the original sealant in place, there were a few airline cracks in the sealant so I raked out and replaced.obviously it hasn't got much chance of drying in this weather so will have to wait.
I have a thumb nail if condensation on the inner window so probably not that.
My new...
Hello fellow memebers, newbie here.
I have tide marks on internal wall right next to the French door.
External Dpc was done 7 years ago
Brick work is excellent condition as house was repointed by myself 7 years ago.
Seal around French doors was a little detoriated so I have replaced with...