Carpentry worksDoors and gatesIndustrial construction and hall buildingInsulationJoinery worksRemediation worksRoof sealRoofing worksSauna constructionWindowsWinter gardensWooden construction
Building technology/ building services (building automation)Carpentry worksPlumbing workRemediation worksRenewable energiesRoof sealRoofing worksSolar panelsWooden construction