Quality of newly installed wooden sash widows?

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Hi all, I had my front bay windows (uPVC) replaced with new wooden sash windows but after looking closely at the windows, I am now worried that the quality of the assembly is inferior to what I have paid for. It is a local company that they acknowledged the issue and they are willing to rectify. Could they actually rectify these defects or they will just cover them up and eventually will lead to issues in the future? Any advice on how to handle this will be more than welcome!
 

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Seems like a backward step , unless you like a nice breeze thru your windows .?
Maybe I should have done a better research but I had the impression that if the sealing and the alignment is great there are comparable due to the same glass.
 
Looks like however they have made the joint has split the rail. Send the pictures to the MD at the company and ask if he is happy with this because you are not. They have a nice website. I suspect they won't want those pix against their name. Edit your post to remove it for now, and tell them you will post it if they don't rectify. A joint with a gap like that will not last.
 
@mrrusty how do you even rectify this? If they attempt to sand it and put filler I will be really disappointed. Should they ideally remove them and reassemble it? My carpentry skills are not that great.
 
So they have done an inspection and they will replace them with new ones. Now I am also worried about how they installed the lock. Both sides have a wood split because of the screw. This window will be used a lot for ventilation etc so I am expecting the lock to be the point of failure. Am i right? They proposed to use resin to stabilize the cracks. @mrrusty @Koolpc
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Those internal micro cracks by the latch show a lack of attention to detail, but TBH are unlikely to be detrimental to performance - I doubt the latches will fall off! Even so, I expect you paid a lot of money and have every right to expect a perfect product. Some screws are self-drilling but not those ones by the look of it - they need a pilot.
 
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Someone has slapped paint over the crack between the rail and style (very badly).

Those units are typically sprayed with waterbased paints. Did they paint it in the hope that you wouldn't notice?

The lock splits, doesn't lock good but doesn't make much difference security wise. Do you not have security bolts to restrict the opening height?

Resin to fill the external cracks? I am a decorator. I spend half of the year working outdoors. Epoxy resins fillers are great but I have never come across one that will secure a 0.5mm gap.

Let them rectify it but I would ask for a commitment to extend the warranty on those sections. Often, but not always they will only extend the warranty if you repaint them within 2 or 3 years.
 

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