Putty knife

Putty knife

Strictly speaking, a putty knife is a specialized tool once used when glazing windows, to work putty around the edges of each pane of glass. An experienced glazer would apply the putty by hand, and then smooth it with the knife. Modern glazing uses other ways of securing the glass to the window frame.

A spackle knife (called a scraper in British English, also known as a spatula in American English) is also commonly called a "putty knife," and is used for scraping surfaces or spreading material such as plaster in various construction trades. Widths from 1 1/4" to 5" or 6" are commonly available. Wider-bladed knives up to about 12" are used for sheet rocking. Larger blades are made, but generally lack the stability of the smaller blades and do not make a perfectly flat surface.

Stiff-blade knives, typically 1 mm or .040" thick, are suitable for scraping. Flexible-blade knives, typically 0,5 mm or .020" thick, are suitable for spreading. Disposable knives, with handle and blade molded as a single piece of plastic, are suitable for occasional jobs such as spreading roof patching tar, where cleanup may involve hazardous solvents.

ee also

*Taping knife


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Look at other dictionaries:

  • putty knife — n. a tool having a broad, flexible blade with, often, a squared off end, for applying and smoothing putty …   English World dictionary

  • putty knife — noun a spatula used to mix or apply putty • Hypernyms: ↑spatula * * * noun : a knife with a broad flexible steel blade that is used for laying on and smoothing putty * * * a tool for puttying, having a broad flexible blade. [1855 60] …   Useful english dictionary

  • putty-knife — puttˈy knife noun A blunt, flexible tool for laying on putty • • • Main Entry: ↑putty …   Useful english dictionary

  • putty knife — noun Date: 1858 an implement with a broad flat metal blade used especially for applying putty and for scraping …   New Collegiate Dictionary

  • putty knife — /ˈpʌti naɪf/ (say putee nuyf) noun a tool having a thin, flexible blade for laying on putty …  

  • putty knife — A tool for scraping off dirt, carbon, and paint or for applying putty …   Dictionary of automotive terms

  • putty knife — put′ty knife n. bui a tool for puttying, having a broad flexible blade …   From formal English to slang

  • putty knife — a tool for puttying, having a broad flexible blade. [1855 60] * * * …   Universalium

  • Knife — (n[imac]f), n.; pl. {Knives} (n[imac]vz). [OE. knif, AS. cn[=i]f; akin to D. knijf, Icel. kn[=i]fr, Sw. knif, Dan. kniv.] 1. An instrument consisting of a thin blade, usually of steel and having a sharp edge for cutting, fastened to a handle, but …   The Collaborative International Dictionary of English

  • Knife grass — Knife Knife (n[imac]f), n.; pl. {Knives} (n[imac]vz). [OE. knif, AS. cn[=i]f; akin to D. knijf, Icel. kn[=i]fr, Sw. knif, Dan. kniv.] 1. An instrument consisting of a thin blade, usually of steel and having a sharp edge for cutting, fastened to a …   The Collaborative International Dictionary of English

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