Standard galvanized lags and carriage bolts.
Ledger bolts roof.
Lag and through bolt replacement.
Plus you need to double fasteners at ledger butts and ends.
The built in washer head eliminates the need for an additional washer saving time and money.
House rim joist must be minimum of 2x sawn lumber or 1 in.
Flashing a patio roof ledger.
You will usually need the length of the bolt to be at least 4 6 to penetrate through the 2x ledger board the house sheathing and into the solid house rim.
Never counter sink bolts.
Remove the ledger and drill bolt holes where the bolt tips have left marks.
Douglas fir lvl no attachment is allowed to strand lumber syp lvl the mudsill i joists floor trusses or.
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.
Structural screws for ledgers by glenn mathewson q.
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 most common method is to install lag bolts with washers or carriage bolts with washers.
X 9 in.
Table of bolt spacing for deck ledger spaced away from the building.
Down from top and up from bottom of ledger and staggered up down.