Wood putty, also called plastic wood, is a substance used to fill imperfections, such as nail holes, in wood prior to finishing. It is often composed of wood dust combined with a binder that dries and a diluent (thinner), and, sometimes, pigment. Pore fillers used for large flat surfaces such as floors or table tops generally contain silica instead of or in addition to wood dust. Pores can also be filled using multiple coats of the final finish rather than a pore filler.
The main problem in using putty is matching the colour of the putty to that of the wood. Putties are usually sanded after they dry before applying the finish.
Many different brands, types, and colours are commercially available. Binders include lacquer, water-base, and linseed oil. Some woodworkers make their own putty using fine sanding dust (not sawdust, which is too coarse) with wood glue or a wood finish such as shellac.
DAP Products owns the registered trademark for Plastic Wood.
See also
Reference
- Michael M. Dresdner (1992). The woodfinishing book. Internet Archive. Taunton Press. ISBN 978-1-56158-037-8.
- Flexner, Bob (2010). Understanding Wood Finishing: How to Select and Apply the RIght Finish. Fox Chapel Publishing. ISBN 978-1-60765-416-2.
- "CPID". www.whatsinproducts.com. Retrieved 2024-05-28.
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