Deck Against Siding Flashing

You may need to pry out siding first.

Deck against siding flashing. This flashing needs to extend up at least 2 or 3 inches up under the siding above the deck. Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. Slip the back flashing under the siding at least 3 at the top and the sides. For example if the deck has.

Materials required acrylic caulk drip cap galvanized flashing galvanized joist hangers galvanized lag screws galvanized nails and screws pressure treated wood z flashing. Keep in mind the bottom of the upper siding should be at least two inches above the flashing or the decking that s near the house. If the deck appears to have life left in it and the lacking flashing was discovered during an annual inspection recommended then some repair should be on your to do list. How to use flashing between vinyl siding and a wood deck 1.

Pry the siding out near a nail then push the pry bar against the nail as you partially tap the siding back in. Make the ledger out of pressure treated lumber that is 2 inches wider than the joists. Install z flashing along the top edge of the ledger. That should pop the nail head out far enough so you can pry it out.

The horizontal leg should be wide enough to extend all the way. Snap a chalk line cut out the siding and tack up the ledger board. Never put horizontal siding in direct contact with any horizontal material. Start by making an outline on the siding where you want to position the ledger board.

Remove the existing interior and exterior sliding door trim remove the existing sliding glass door remove any deck boards restricting the installation of proper deck flashing install a copper door pan and copper deck flashing copper seams will be soldiered re install the existing sliding. Deck joist ledger spacer behind ledger housewrap or building paper housewrap or building paper exterior sheathing flashing drip edge z flashing 2 z flashing 1 deck board siding gap. If nails are in the way pull them out. Then slip flashing behind the siding covering the top edge of the ledger.

Installing z flashing to prevent water from seeping behind the deck s ledger board and rotting the board and the siding the flashing must cover the top of the ledger board and bend over the edge.