Do i need ledger board deck4/3/2024 ![]() ![]() But more can be done to protect the ledger and joists from moisture, thus lengthening the deck’s life. To find a representative near you, contact Lori Zito at Updated: Ĭorrectly attaching the deck’s ledger board to the supporting structure is an important part of the deck’s structural integrity. ![]() MiTek Builder Products, USP Connectors, and Hardy Frame are corporate members of the American Institute of Building Design (AIBD). The structural wood screws you’re looking for can be found here. Repeat the above steps for each necessary screw. Table 1 and Figure 1 below will show you the edge, end distances, and spacing that you’ll need.When driving the screw, the head should be firm and flush with the surface of the deck ledger.Once you’ve selected the proper screw length, drive the screw through the ledger, sheathing, and rim board joist.The tip of the screw should visibly protrude beyond the inside face of the rim board member. They should have full engagement with the rim board. When selecting screw length, compare the threads.As previously stated, the screw lengths you’ll likely need are WS35-HDG (3.5 inches) and/or WS5-HDG (5 inches).Make sure to purchase WS screws with “-HDG” suffix, as they have a hot dipped galvanized coating suitable for exterior use. The 2015 IRC suggests, in Table R507.2, to use lag screws, however the WS-HDG screws may replace them when installed as directed here.Ĭommon lengths for deck ledger application are WS35-HDG at 3.5 inches and WS5-HDG at 5 inches. MiTek has a series of wood screws, the USP WS series, that you can use to fasten deck ledgers to the rim board (band / rim joist) to ensure you’re meeting the residential building code’s connection requirements. You wouldn’t want one of your buildings to be in the news for having a deck that collapsed on a college student. While these decks may have been old and may have been built to outdated codes, it’s important to know how to attach a deck ledger to rim board according to current codes. While college parties are known for being erratic, collapsing decks seems a bit too far.Īccording to Arthur Gerhauser, chief building inspector of the Town of Brookhaven, the failure of the deck was “at the ledger board, the connection of that ledger board to the house.” On August 26th, 2016, another deck at another college party collapsed. Considering those on the first floor had two decks worth of people fall on their head, they’re lucky. ![]() Nobody was hurt bad enough that they couldn’t get up and walk around, but there was a head injury and a broken arm. Both decks had people on them, as well as the top deck. The third floor deck fell onto the second floor deck, which then collapsed onto the first floor deck. On, September 11th 2016, a deck ledger failed and a pair of third floor decks collapsed at a party near Trinity College in Connecticut. ![]()
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