![]() ![]() Collar ties, contrary to popular belief, do not prevent walls from spreading.Where they are required, they should be installed on every other rafter where rafters are on 24-inch centers.Collar ties are probably not needed if approved metal connectors were used to fasten the rafters to the ridge. 153 -187 Discovery Road, Dandenong South, VIC 3175 Australia. It’s also essential to pay close attention to the diameter and length of the fasteners specified in the Simpson Strong-Tie literature.(2) Except as provided in Sentence (3), the ridge beam referred. (b) a ridge beam support ed by not less than 89 mm length of bearing. InterNACHI inspectors should not call out a lack of collar ties as a defect unless they know that collar ties were required in the jurisdiction where the home is located at the time the home was built. (1) Except as provided in Sentence (4), roof rafters and joists shall be support ed at the ridge of the roof by, (a) a loadbearing wall extending from the ridge to suitable bearing, or. ![]()
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