sealed units

We bought our house brand new 6 years ago and recently I have noticed what appears to be oil or solvent inside a couple of the double glazing units - see attached photo. At the moment there is no evidence of any internal condensation but I'm wondering if these "oil leaks" indicate failure of the...

Hi All, I am hoping that somebody may be able to identify the UPVC window beading and provide me with the make/model and even a supplier as I have acquired some decent frames from my neighbour but the installers of their new units forgot to save all the beading for me. Any help would be greatly...

Hi everyone, I am hoping to get some advise on how to replace the sealed units in my double glazed aluminium vertically sliding sash windows. I've already bought the new spiral hangers, so I will be taking the sashes out to change them and was hoping to change out the broken sealed units too...