BobAJob Posted January 9, 2021 Share Posted January 9, 2021 What's the best way of sticking UPVC trim to UPVC? This is for the mitre joints on a bay window which seems to have developed big gaps between a couple of the frames. Super glue? Silicone grab and seal? Silicone sealant? Thanks Link to comment Share on other sites More sharing options...
PeterW Posted January 9, 2021 Share Posted January 9, 2021 Mitre bond works but you find movement is breaking the joints you may find it might crack again. Make sure the window is fully secure to the bay posts before you try and fix it. Link to comment Share on other sites More sharing options...
BobAJob Posted January 9, 2021 Author Share Posted January 9, 2021 4 minutes ago, PeterW said: Mitre bond works but you find movement is breaking the joints you may find it might crack again. Make sure the window is fully secure to the bay posts before you try and fix it. Is Mitre Bond non-destructive, so if I needed to take it off it would come off without damaging? Is Mitre Bond a brand? Link to comment Share on other sites More sharing options...
PeterW Posted January 9, 2021 Share Posted January 9, 2021 Mitre Bond is cyanoacrylate and accelerator, so an activated superglue. It won’t affect the frame but you may damage the trim if it’s thin plastic but no worse than any other glue. Link to comment Share on other sites More sharing options...
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