Do You Attach A Ledger Board On Top Of Siding

Get 4 inches of the flashing under the bottom of the siding.

Do you attach a ledger board on top of siding.

Ledger boards which lend strength and support to a deck by connecting it to a house must be installed on a virtually flat surface. I want to attach the ledger board directly into the hardiboard siding of the garage with lag screws using washers as spacers for drainage between the ledger and the siding. You may want to have an experienced carpenter on hand to help walk you through that gauntlet. The ledger board is a horizontal framing member usually two by 10 or two by 12 lumber that supports one side of a deck and attaches flat to the wall of a house after removing a section of siding.

This should still allow for plenty of room to attach the board to the floor s rim joist. To properly attach a deck ledger follow these guidelines. Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. The following steps will explain an easy method of removing the lap siding and attaching a ledger board.

The ledger board acts as the spine of the deck anchoring it to the most stable surface around. Step 5 attach ledger board. Drill 1 2 inch holes through the ledger board into the planks between joists. But keep this in mind as you play with various elevations and don t forget that you need to position the ledger board and cut the siding at a point that will allow the top flashing to fit under the siding at least 3 to 4.

Nail undersill trim j channel will also work over the bottom cut using 11 gauge aluminum nails. Slip the flashing under the siding so it will cover the ledger board. It only weighs 100 pounds it is a ledger board a front plate and eight 2x4 rafters sitting on two 4x4 posts. Secure flashing with galvanized nails.

In order to install the ledger board you usually need to remove the house s siding. Start by making an outline on the siding where you want to position the ledger board. Drop the level of the new ledger enough to allow at least a 2 in. Then cut away the siding.

Do it yourselfers are sometimes prone to attaching the ledger board on top of the siding. Gap between the bottom of any doors and the top of the deck boards. This method is wrong because intervening layers of siding and possibly exterior rigid foam insulation mean that the lag screws cannot penetrate far. Fasten the ledger board with 1 2 inch bolts and washers.

The manner in which lap siding covers the side of a house makes it impossible to connect a ledger board to. Never install a ledger board over the top of siding no matter what you hear this can weaken the connection.