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Case for Crawl Space as Manditory Part of Open House
Well, at least in my dreams.  
This past week I completed a home inspection in West Vancouver on a multi-million dollar property. The owners had purchased the property in the spring without a home inspeciton and were now catching up with the building issues.
Built in the early 50's, with a second floor addition in the 80's and well maintained throughout its entire life. The usual list of suspects were present and accounted for during the inspection of this grand dame.
Upon access to the crawl space, I noted the classic features of 'old school' construction methodology:
(a) The main floor was heated with a natural gas forced air downflow furnace. So the crawl space was occupied with all the under-floor ducting. Uninsulated. Not an issue for the 50's when gas prices were a fraction of today's rates. However, combined with a mid-efficiency furnace and a vented-to-the-exterior crawl space, it makes for a big energy waster. Not to mention, the duct joints appeared to be sealed with a suspect (asbestos?) tape material.
(b) No vapour barrier on the dirt floor, to block dampness. Actually there was tar paper placed on the bare ground at some point in the distant past but it was decomposed to the ... more

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