Attaching Ledger Board To Siding

The lags should pass through by at least 1 2 on the back side of the band board.

Attaching ledger board to siding.

Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck. Gap between the end of the ledger and the ends of siding and fill it with high quality exterior caulk to keep water from leaking behind the ends of the ledger. Starting around 2 inches from one end mark fastener locations every 18 to 24 inches. This method requires flashing to slip underneath the siding and then overlap the ledger.

Aluminum and vinyl siding can easily be removed with tin snips from an area one foot surrounding the ledger board location. Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. In order to install the ledger board you usually need to remove the house s siding. Snap a chalk line cut out the siding and tack up the ledger board.

Start by making an outline on the siding where you want to position the ledger board. This is a side view of the perspective diagram above. Begin marking the positions for the fasteners. You need at least 4 of the flashing under the last row of siding and ideally 8.

Never install a ledger board over the top of siding no matter what you hear this can weaken the connection. Locate the rim joist and mark an outline on the siding where you want to position the ledger board using a tape measure pencil and chalk line. Make the outline large enough to allow space for the. Nail one end of the ledger with 10d nail or deck screw keep in mind this is not the final fastener for the ledger then level the other end and do the same.

Anchor deck joists to the ledger with joist hangers filling each hole with galvanized joist hanger nails rated for pressure treated wood. Then slip flashing behind the siding covering the top edge of the ledger. In this instance minimum 1 2 lags are staggered along the length of the board.