putty

     

Putty is a generic term for a plastic material similar in texture to clay or ough typically used in domestic construction and repair as a sealant or filler. Painter's Putty is typically a linseed oil based product used for filling holes, minor cracks and defacements in wood only. Putties can also be made intumescent, in which case they are used for firestopping as well as for padding of electrical outlet boxes in fire-resistance rated drywall assemblies. In the latter case, hydrates in the putty produce an endothermic reaction to mitigate heat transfer to the unexposed side.

Trivia about putty

  • Also available in a "Silly" type, it's a mix of powdered chalk & linseed oil used to seal glass panes into frames
  • The "silly" type of this product was introduced in 1950; don't use it to glaze windows
  • The cement used by stained glass craftsmen is like this in their hands -- actually it is this in their hands
  • You can replace a broken window pane yourself, but prime the wood before applying this, also called glazing compound

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