'''القصارة''' من [[مواد البناء]]، وهو طبقة من [[الطلاء]] [[الجص]]ي الواقي للبناء.<ref>{{citeمرجع webويب|url=http://www.lafargeprestia.com/caso4___h2o.html |title=CaSO4, ½ H2O |last=Staff |publisher=[[Lafarge (company)|LaFargePrestiaلافارج]] |accessdate=27 November 2008 |deadurl=yes |archiveurl=https://web.archive.org/web/20081120163316/http://www.lafargeprestia.com/caso4___h2o.html |archivedate=November 20, 2008 }}</ref><ref>{{cite bookمرجع كتاب|date=2015 |editor1-last= Weyer |editor1-first=Angela |editor2-last=Roig Picazo |editor2-first=Pilar |editor3-last=Pop |editor3-first=Daniel |editor4-last=Cassar |editor4-first=JoAnn |editor5-last=Özköse |editor5-first= Aysun |editor6-last=Vallet |editor6-first=Jean-Marc |editor7-last=Srša |editor7-first= Ivan |title=EwaGlos. European Illustrated Glossary Of Conservation Terms For Wall Paintings And Architectural Surfaces. English Definitions with translations into Bulgarian, Croatian, French, German, Hungarian, Italian, Polish, Romanian, Spanish and Turkish. |url= http://elearn.hawk-hhg.de/projekte/ewaglos/pages/download.php |location=Petersberg |publisher=Michael Imhof |page=50 }}</ref><ref>[http://www.yourdictionary.com/plaster-of-paris plaster of Paris definition. Webster's New World College Dictionary at YourDictionary.com.] {{Webarchive|url=http://web.archive.org/web/20170912211846/http://www.yourdictionary.com:80/plaster-of-paris |date=12 سبتمبر 2017}}</ref>
وبالإضافة إلى وظيفتة الوقائية، لة، في بعض الأحيان، أهداف جمالية.
