Wood Properties of Local Species for Wooden House of Woloan in North Celebes Province

Wooden house of woloan in North Celebes Province has traditio11af!y cons/meted 11si11gthree wood .rpecie.r e.i. Instia bijuga,Palaquium sp. and Elmeriillia ovalis. However, .rupp& of the three .rpecies has bem 1!1arked!Ydecreasedin thela.rtJewyears. There are several local wood speaesthat can be used as .rub.rtil'llte, e.g. Ho111aliumfaetidu1!1 (aliwowo.r),Koordersiodendron pinnaturn (bugis), Heritiera littoralis (ronos}, Odome/essumatrana (bim1ang), Litsea sp. (bolangitang)and Canarium .rp.(kenari). Tbis paper presents scientific information abotll pf!ysical and mechanicapl roperties of six local woodspeae: origi11atedfrom North Celebe.r Province. Theexaminedpropertiesin duded .rpeci.ftcgravity, moisture content, linear .rhri11/eage (radial and tangential), modulus of elarticity (MOE), modulus of rupture (MOR),compm.rion strength, hardness,and tensile strength. Re.rult.rrevealed thataliwowo.r, bugi.rand rorum are themost suitable.rpecie.rwhichpeiform compatiblecharaderistic.r lo tbos« of traditional housingtimber.