*20 year Rust through warranty only on buildings constructed with a stronger 12 gauge 2 1/4’ square tubing.
*Certified buildings are certified for snow & wind loads determined by area. Certification can be for snow loads of 20, 40, 60 lbs sq.ft. & wind loads up to 90 mph, these are for areas requiring permits. Engineers drawing is available.
*Prices vary with states and certification requirement
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