How many Canadian homes have Poly B?
The straight answer
Insurance risk engineering estimates as many as 700,000 homes across Canada, and the Alberta government estimates roughly 148,000 in that province alone, labelled an unconfirmed estimate. Nobody has an exact count.
The longer version
The honest numbers: up to 700,000 homes per insurance risk engineering, with Alberta’s government estimating about 148,000 in that province, a figure it labels an unconfirmed estimate. Nobody has an exact national count, and any precise figure you read is invented. What can be mapped precisely is the era: the city profiles show how much of each city’s housing stock sits in the 1978 to 1998 window, from census data.
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