How To Flash A Deck To Vinyl Siding

Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides.

How to flash a deck to vinyl siding.

Detecting and correcting deck ledger problems around vinyl siding. The only way this works is to cut the t 111 and put z flashing in and have it overlap the aluminum flashing behind the ledger. The horizontal leg should be wide enough to extend all the way. If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top.

A secondary top flashing now needs to be installed over the top of the ledger board. You may need to pry out siding first. Then slip flashing behind the siding covering the top edge of the ledger. Start by making an outline on the siding where you want to position the ledger board.

Lift the bottom shingle and slip in the kickout flashing. Cover with cap flashing. How to use flashing between vinyl siding and a wood deck 1. Nail it to the sidewall or glue it if nailing isn t possible.

Use a heavy rubber flat washer that will get sandwiched between the ledger board and the metal washer that s under the head of the bolt. That should pop the nail head out far enough so you can pry it out. For example if the deck has. Make the ledger out of pressure treated lumber that is 2 inches wider than the joists.

Once the bolt is tightened the rubber washer will produce a waterproof connection at each hole. You can add all sorts of peel and stick stuff behind it but there is no other way to protect the rim board. If nails are in the way pull them out. Snap a chalk line cut out the siding and tack up the ledger board.

Another thing to point out didn t see it in the article is to make sure you don t nail the deck boards into the band and through the z flashing last summer i had to replace all the siding most of the framing and detach a second floor wrap around deck because the builder had done this and the flashing failed causing water damaged inside. Slip the back flashing under the siding at least 3 at the top and the sides.