Ledger Bolts Roof
Lag and through bolt replacement.
Ledger bolts roof. The most common method is to install lag bolts with washers or carriage bolts with washers. Douglas fir lvl no attachment is allowed to strand lumber syp lvl the mudsill i joists floor trusses or. Plus you need to double fasteners at ledger butts and ends. Down from top and up from bottom of ledger and staggered up down.
For installing a deck ledger structural screws such as ledgerloks which don t require pre drilling are so much easier to use than the lag screws and through bolts referenced in the irc. Flashing a patio roof ledger. Push or hammer the ledger back onto the bolts recheck for level making any needed adjustments add washers and nuts and then tighten the bolts. The built in washer head eliminates the need for an additional washer saving time and money.
Structural screws for ledgers by glenn mathewson q. House rim joist must be minimum of 2x sawn lumber or 1 in. Never counter sink bolts. Spacing for bolts and lags used to connect the deck ledger to the building are shown in the table at above right ledger bolted directly to the building and at in the figure at left for deck ledgers that are spaced away from the building.
Table of bolt spacing for deck ledger spaced away from the building. Remove the ledger and drill bolt holes where the bolt tips have left marks. X 9 in. Ledgerlok replaces lag screws and through bolts has been coated with a proprietary three step coating process that protects against corrosion even in pressure treated wood and is acq approved.