Why especially flat roofs collapse under snow, and what to do (and not do) about it

News Room

Suburban property owners might have bigger concerns than clearing mounds of snow off driveways and sidewalks as snowloads begin to weigh down rooftops. Structural experts say repeated storms dumping heavy snowfall on flat roofs could pose a hazard and offer some tips to head off collapses like those that occurred at two buildings in Elgin since last weekend.

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