Insulating a dirt floor crawlspace/ Green Building & Sustainable Home Renovation Information & Advice

...al with radon gas . We would recommend having yourair tested for radon,and if it isabove Health Canada’s recommended safe levels ( 200 Bq /m³), please see our pages on radon gas mitigation incrawlspaces . Fixingadirtfloorcrawlspace:All too oftenacrawlspacewill have nothing butadirtfloor,and probably...

...ahoney isaradon mitigation specialist in the National Capital Regionand sits on manyadvisory boards including the CanadianAssociation of Radon Scientistsand Technologists , Canadian National Radon Proficiency Program , Canadian General Standards Boardand CGAStandards (Compressed GasAssociation). He worked with...

...ainfloor, so you'd need to factor space for that in your new plans. Radon protectionas wellas radiantfloorheating can be doneat this timealso. If thefloorjoistsare in reasonable conditionand you want to keep using thecrawlspacefor storageand mechanical systems, see our page on how to insulatecrawlspace...

...and to save money, that's why! In manyareas Building Code has fallen behind common sense on what specification of insulation to use underaslab , It is common to installas littleas R5 insulation below slabfloors, making thatabout the weakest point inabuilding envelope,as wallsare generallyat least R20and ce...

...afoundation wall. Slabfloorsalso easilyaccommodate radiantfloorheating, which offersavery balancedand comfortable environment, transforming the concrete mass into one big radiator. One of the greatadvantages of radiantfloorheat is that the further you get fromanything radiating heat (imagineawoodstov...