PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The connections of the ridge to the columns can become critical looking at uplift from wind especially if you have long overhangs or wings at your gables.In short, hiring a local licensed engineer to ensure that your largest investment your house does not come crashing down around your knees in the first really heavy snow or wind is a small price compared to the risk.
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  • eng-tips.com