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Filing or sanding UPVC

seth plum
seth plum Posts: 53,448
edited September 2018 in Not Sports Related
I have to change the letterbox in my double glazed front door.
Took the old one off, but the new one tantalizingly won't fit in the aperture.
I need to make it bigger (and also drill a hole in the UPVC.) Have tried sandpaper but can't tell if it works, and the amount needed to come off is too thin to cut in any way.
Will a decent hefty file do the trick?

Comments

  • MuttleyCAFC
    MuttleyCAFC Posts: 47,728
    I could be wrong, but I think there is a tool for this. I recall doing it at School for a pencil case project (the finished item kept falling over!), but that was many moons ago so could be my memory playing tricks.
  • guinnessaddick
    guinnessaddick Posts: 28,617
    seth plum said:

    I have to change the letterbox in my double glazed front door.
    Took the old one off, but the new one tantalizingly won't fit in the aperture.
    I need to make it bigger (and also drill a hole in the UPVC.) Have tried sandpaper but can't tell if it works, and the amount needed to come off is too thin to cut in any way.
    Will a decent hefty file do the trick?

    Bastard?
  • Hastingsaddick
    Hastingsaddick Posts: 4,079
    guinnessaddick said:

    seth plum said:

    I have to change the letterbox in my double glazed front door.
    Took the old one off, but the new one tantalizingly won't fit in the aperture.
    I need to make it bigger (and also drill a hole in the UPVC.) Have tried sandpaper but can't tell if it works, and the amount needed to come off is too thin to cut in any way.
    Will a decent hefty file do the trick?

    Bastard?
    That may leave the finish a tad rough though.
  • Lincsaddick
    Lincsaddick Posts: 32,348
    UPVC ? .. don't inhale the dust .. VERY dodgy stuff
  • T_C_E
    T_C_E Posts: 16,418
    Hastingsaddick said:

    guinnessaddick said:

    seth plum said:

    I have to change the letterbox in my double glazed front door.
    Took the old one off, but the new one tantalizingly won't fit in the aperture.
    I need to make it bigger (and also drill a hole in the UPVC.) Have tried sandpaper but can't tell if it works, and the amount needed to come off is too thin to cut in any way.
    Will a decent hefty file do the trick?

    Bastard?
    That may leave the finish a tad rough though.
    Use a smooth bastard ;)
    Or try to buy/borrow/steal on of those Dremmel/bremmel
  • Norman_Smith
    Norman_Smith Posts: 338
    To be pedantic it hasn't been UPVC since the early 90s when the EU changed it to PVCU. I remember this because I was working on two windows magazines at the time and it was a complete pain in the backside to change everything.
    Since the change I have never heard anyone refer to it as anything but UPVC!
    I know I need to get a life.
  • palarsehater
    palarsehater Posts: 12,296
    A rasp would do the job? The letter box escutcheon should cover the rough edges
  • seth plum
    seth plum Posts: 53,448
    Thanks everybody for the advice.
  • iainment
    iainment Posts: 8,039
    When are you buying your new door?
  • guinnessaddick
    guinnessaddick Posts: 28,617
    iainment said:

    When are you buying your new door?

    You're only supposed to sand the bloody doors off.
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  • valleynick66
    valleynick66 Posts: 4,889
    edited September 2018
    Just file it if it is that small an adjustment.

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