This article provides the results of a research about the properties of thermal modified wood of maritime pine (Pinus pinaster Ait.), radiata pine (Pinus radiata D.Don) and Scots pine (Pinus sylvestris L.) from Galicia, Spain, thermal treated in the industrial vacuum-heat autoclave plant of FINSA group in Galicia, Spain. These three pine wood species are used in different solid products but due the low natural durability the application in outdoor applications is limited. The properties of durability of thermal modified wood of these three pine species provide very interesting data improving considerately with thermal treatment at 212 ºC reaching a durability class 2 very important for using wood products in indoor and outdoor applications as facade, claddings carpentries, furniture, etc., where wood destroying fungi attacks can occur in the wood products. The improvement in durability against wood destroying fungi allows using these thermal modified wood species without preservatives, using a local wood species with low natural durability against wood destroying fungi, with competitive prices and allowing their recycling at the end of their service life, confirming the suitability of the thermal modification in local wood species with low natural durability

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