Flashing A Deck Ledger Board On Vinyl Siding

A ledger relies on the fasteners and strength of the wood ledger board and rim board of the house to carry the deck live and dead loads.

Flashing a deck ledger board on vinyl siding. Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck. 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. Window and door cap 1 25 in x 120 in x 1 56 in aluminum z flashing. The deck ledger to the house is an unusual connection in home building.

7 apply silicone caulk around the screw heads to prevent moisture from penetrating into the wall. Infiltrating rainwater can travel downward sideways and even upward so special flashings must be used. Made from high quality vinyl construction. Item 3807 model 5504900120.

It is recommended for use with pressure treated lumber. Then slip flashing behind the siding covering the top edge of the ledger. I would remove the old siding that was behind the existing ledger to about an inch above the deck surface. Most house framing relies on building elements floors walls roofs being stacked one atop another.

Slip the flashing under the vinyl siding and rest the bottom lip over the top of the ledger board. Gray plastic deck ledger flashing fits over deck ledger and behind siding for protection from water damage. This cap is made of durable plastic construction. These 18 articles will teach you how to install flashing and bolt the ledger connection to the house rim.

My instinct is to replace the deck and eliminate the ledger altogether add posts near the wall and leave a big gap between the end board and new flashing tucked under the siding. Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides.