January/February 2007
Attaching deck ledgers to engineered rims; durability of cedars; hidden deck fasteners
First 100 Words:
QUESTION & ANSWER Attaching Deck Ledgers to Engineered Rim Joists Q Are ledger lag-bolting schedules that were developed for 2-by rim joists adequate for engineered rims? It seems that lag bolts would be more likely to pull out of a thinner engineered rim than out of a thicker 2-by Doug fir rim joist. A Christopher DeBlois, a structural engineer with Palmer Engineering in Tucker, Ga., responds: You're right. Lag bolts don't get the same purchase in a 11/4-inch-thick engineered LSL (laminated strand lumber) rim joist as they do in 11/2-inch-thick framing lumber. If a lag bolt is properly installed, with
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