Floor Ledger Board

How to flash a deck ledger board if you cut out your siding to install a ledger board careful steps must be taken to ensure that moisture cannot reach your house.

Floor ledger board.

Joist hangers help to keep joists anchored over time and absorb the forces of the structure above. Floor framing hung off a ledger hanging a floor system off balloon framed walls isn t too different from platform framing. Gap between the bottom of any doors and the top of the deck boards. Most decks are supported in part by a ledger that is attached to the band joist or rim board of the floor system.

That way water and snow melt won t be able to accumulate and seep under doorsills to ruin interior floors and storm doors will swing past ice snow and leaf deposits. Five ledger board techniques explained and illustrated. Like a roof truss floor trusses are created through joining standard lumber typically 2x3 or 2x4 with metal connectors. Attaching a deck ledger board to engineered floor joists.

The resulting engineered product is a long spanning floor joist about a half to. Drop the level of the new ledger enough to allow at least a 2 in. This is a time consuming process and should be done while the house is being constructed to simplify the process and reduce costs. A ledger board a flat piece of timber anchored to the frame that evenly spreads the load of the joists it supports is used for the installation of hangers.

Use a wood bit to drill pilot holes through the ledger board. Learn how to cut and remove aluminum vinyl wood and cement board siding for installing a deck ledger board to a house wall. Explore your options for building a deck onto a house with engineered floor joists. Attaching a deck ledger board to engineered floor joists.

Deck ledger board removing the siding for the ledger board. Next use a concrete bit to drill into the concrete wall. Temporarily secure the ledger board to the correct location against the concrete wall using concrete screws or temporary supports. Infiltrating rainwater can travel downward sideways and even upward so special flashings must be used.

The floor system is comprised of weyerhaeuser s tji joists microllam lvls for ledgers timberstrand lsl rim board and huber s advantech flooring. Microllams are used where joist hangers are needed to. The top of the ledger board should be lower than the desired top of the finished deck by one decking board s thickness plus the thickness of the flashing usually 1 8 inch. Because this connection is critical to the safety of the deck s occupants both the 2015 irc and the latest edition of the american wood council s dca 6 prescriptive residential wood deck construction guide provide detailed structural design guidance on fastening a deck ledger.