Insert the flashing into the mortar joint so that it fits tightly with the wedge.
Flashing between deck and siding.
When slipping the flashing under the siding be sure to slide the flashing to the left or right of the ledger by at least 2.
Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck.
Otherwise dripping water will leave its mark along the siding.
The steps are as follows.
Start by making an outline on the siding where you want to position the ledger board.
Many types to choose from lots of materials can be used for flashing.
For example if the deck has.
Grind out the grout along a row of bricks.
Then slip flashing behind the siding covering the top edge of the ledger.
The flashing has two details worth pointing out.
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.
Make the ledger out of pressure treated lumber that is 2 inches wider than the joists.
On the end that will fit into the mortar.
Snap a chalk line cut out the siding and tack up the ledger board.
Where the back flashing needs to be cut around an obstacle measure for the notch and cut with tin snips or slice several passes with a knife.
Slip flashing under siding.
This flashing should extend a few inches past the face of the ledger and bend downward so that water sheds away from the ledger.
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.
The best solution is a preformed or custom bent kick out flashing to divert the water away from the siding.
Seal the joint with a high.
Install z flashing along the top edge of the ledger.
This all important water barrier should extend up the wall at least 4 in.
Once the ledger and the joists are installed i cap them with an l shaped flashing over the top of the ledger that slips up behind the siding and the weather barrier if possible.
Using a metal j flashing between these types of transitions provides a barrier between siding and transitions that protects against water intrusion.
But the j cap also creates a consistent line.
The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall.
The horizontal leg should be wide enough to extend all the way.
These 18 articles will teach you how to install flashing and bolt the ledger connection to the house rim.
