Overpainting Toupret filler

Discussion in 'Painters' Talk' started by DIYDave., Mar 26, 2015.

  1. DIYDave.

    DIYDave. Screwfix Select

    Hi all
    Picked up a box of powdered Toupret Exterior Filler for some repair work at home

    http://www.toolstation.com/shop/p72427

    Appears to dry nice and quickly and sandable after an hour (dependant on thickness) but was surprised to see the instructions state paintable after 24 hours

    Seems a long time for a powdered filler to set / cure ? or is there some other magic that happens within those long hours ?

    I realise that its usually recommended to follow the manufacturers instructions but just wondered how critical it is to allow a full 24 hours before painting - Any input appreciated :)
     
  2. Mr. Handyandy

    Mr. Handyandy Screwfix Select

  3. Dave, it's probably a 'catch-all' recommendation as they have no control over how thick the layer of filler has been, so it's a 'worst case' scenario for a particularly thick layer.

    But, for the sake of a day, why would you challenge their recommendation? :) Patience, man.

    On a related issue, sometimes you have to be careful if the layer of filler you are applying is particularly thin; when done outside on a warm, dry day, the layer can dry out before it has fully set. I understand it chemically cures like cement, so if it dries before it sets, it might not achieve full strength/durability.
     

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