b'CONSTRUCTION MATERIALC oncreteandtimberhaveTHE LONG RUN inandstrengthareDESIGN FLEXIBILITYtobringanew beenusedinconstruc- BuildingdurabilityIttakesflexiblematerials tionforcenturies.Withcritical factors when considering whichbuilding to life. To that end, timbers strength advancementsandinnova- materials to useconstruction. In thisand lightweight nature make it a valuable tionsbeingmadeinbothrespect,concretehaslongbeenreliedcomponentinmanybuilds,whetheritis materials,however,itisworthexploringupon for its strength, high seismic values,usedforstructuraloraestheticpurposes. what each can bring to modern builds.and resiliency to fire, water damage, andHowever,concreteisinherentlyversatile erosionall of which have been provenandhasgrownincreasinglyadaptableas Bothmaterialshavetheirplaceintheto extend the lifespan of a building threeabuildingmaterial:theabilitytoshape, builtenvironment.Notably,updates totimes longer than other materials.textureandcolourconcreteviamodern the2020NationalBuildingCodeoffabrication methods means it can now be Canada have enabled builders to use massConcrete allows us to adapt to anyadapted to nearly any design. timber components, e.g., cross-laminatedtype of construction and environmental timber(CLT),forawidernumberofconditions,saysCharlesThibault,Theresreallynootherstructural applications,whileinnovationsintimbercommercial performance and marketingmaterial that affords so many possibilities, productmanufacturingandinstallationmanager, Eastern Canada, with Lafargebothfromastructuralengineering havefast-trackeditsadoptioninmanyCanada Inc. It is a durable material thatperspective and from a creative design and constructionsectors.canbedesignedwithawiderangeofarchitectural perspective, says Auer. You strengths from 0.4 Mpa to over 90 Mpa.can literally form concrete into any shape WhiletimberisenjoyinganewfoundWhether you are building low or high- you can imagine, and you can make it look popularity,concretesinherentbenefitsrise buildings, structures such as bridges,like any material you want as well. There and reliable track record continue to makehighways,commercialbuildings,orare lots of examples of concrete thats been it an easy choice. Yet determining the rightinteriororexteriorconstructions,thiscoloured in texture to look like wood panels material for the job requires considerationmaterial consistently performs in a wideor other types of materials.of a range of factors.variety of climates and conditions.Concrete in of ThereisatendencyfortheindustryTimber, by contrast, is more susceptibleBothmaterialshavebenefitedfrom advancesinpre-fabrication.Theability toaskifconcreteisbetterthanwoodtotheelements,aswellasadditionaltodesignandcreateconcreteorwood orevensteel,butIdontbelievethatsriskssuchasrotandtermitedamage.components offsite has, in turn, accelerated therightquestiontoask,saysAdamThats not to say timber products cannotconstruction and cost savings when it comes Auer, vice president of environment andprovidethesamedegreeofresiliency,to labour. Where timber may have a slight advantage, however, is that it is lighter to constructionsustainability with the Cement Associationbutratherthatpredominantlytimbership and install, which contributes to faster Canada.Allmaterialshaveinherentbuilds must include additional measures properties that can be strategically used into address these risks. installation times.the design of different types of structures, and there are very few structures that areWithconcrete,youessentiallygetPRICING & SPEEDmonolithic in terms of their materials. a bundled package of services, whereasThe cost of materials deserves equal consid-with other materials like steel and masseration. Timber may be more expensive per Maybe the better question to ask, saystimber, you need to rely on other designunit than concrete or steel but is lighter to Auer, is how to integrate the best that eachelementstoachievethoseperformancework with, theoretically saving labour costs material has to offer, both from a structural,characteristics,notesAuer.Takefire,and project time. For example, Ontarios first design and performance perspective. And,forexample.Concreteisinherentlysix-storey mass timber residential building in howtheycaneachbemanufacturedtoresistant to fire, whereas wood structuresTorontowasconstructedwithCLTinthe meettheprojectsrequirementsintherequireadditionalmeasurestoensurespanofsixweekswithacrewofaround most sustainable way. fire safety. seven carpenters. 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