Flashing Between Deck And Siding

Todd my tahoe cabin s deck ledger is tacked directly into t1 11 wood siding.

Flashing between deck and siding.

5 leave a gap between the decking board closest to the house and the. Start by making an outline on the siding where you want to position the ledger board. Then slip flashing behind the siding covering the top edge of the ledger. 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.

Lots of materials can be used for flashing. 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. I have flashed my deck ledger board with that 2 sided copper vinyl stuff. That should pop the nail head out far enough so you can pry it out.

The intersection between a roof and a sidewall can be a rot problem waiting to happen. This all important water barrier should extend up the wall at least 4 in. Many types to choose from. Slip the back flashing under the siding at least 3 at the top and the sides.

You may need to pry out siding first. Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. They reccomend using vinyl side out when using flashing with decking. This keeps the siding out of debris that may collect in the inside corner of the flashing and prevents mold from growing on it.

Pry the siding out near a nail then push the pry bar against the nail as you partially tap the siding back in. If nails are in the way pull them out. Learn how to install simple flashing on decks in this instructional guide from james hardie. Now i realize that i need to leave a 2 minimum gap between decking and hardiplank siding which means 2 of gray vinyl flashing will be visible.

Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot.