The solution to rotting sidewalls is a small.
Flashing between deck and siding.
Many types to choose from.
They reccomend using vinyl side out when using flashing with decking.
Lots of materials can be used for flashing.
You may need to pry out siding first.
The intersection between a roof and a sidewall can be a rot problem waiting to happen.
Start by making an outline on the siding where you want to position the ledger board.
I have flashed my deck ledger board with that 2 sided copper vinyl stuff.
Though it will take some dismantling and perhaps a replacement deck board or stick of siding following the recommended practices for installed ledger flashing based on.
Todd my tahoe cabin s deck ledger is tacked directly into t1 11 wood siding.
Slip the back flashing under the siding at least 3 at the top and the sides.
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.
When it comes to the deck a strip of flashing is brought down the wall of the house and over the top of the ledger the piece of dimensional lumber attached to the house at the edge of the deck.
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.
Pry the siding out near a nail then push the pry bar against the nail as you partially tap the siding back in.
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.
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.
5 leave a gap between the decking board closest to the house and the.
This all important water barrier should extend up the wall at least 4 in.
Learn how to install simple flashing on decks in this instructional guide from james hardie.