Flashing Between Deck And Siding

These 18 articles will teach you how to install flashing and bolt the ledger connection to the house rim.

Flashing between deck and siding. 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. Seal the joint with a high. This flashing should extend a few inches past the face of the ledger and bend downward so that water sheds away from the ledger. This all important water barrier should extend up the wall at least 4 in.

Install z flashing along the top edge of the ledger. Slip flashing under siding. Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides. But the j cap also creates a consistent line.

Otherwise dripping water will leave its mark along the siding. Snap a chalk line cut out the siding and tack up the ledger board. Insert the flashing into the mortar joint so that it fits tightly with the wedge. The steps are as follows.

Then slip flashing behind the siding covering the top edge of the ledger. The flashing has two details worth pointing out. 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. 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.

Where the step flashing terminates along a sidewall is a common trouble spot for moisture problems. 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. On the end that will fit into the mortar. 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.

Using a metal j flashing between these types of transitions provides a barrier between siding and transitions that protects against water intrusion. The best solution is a preformed or custom bent kick out flashing to divert the water away from the siding. Many types to choose from lots of materials can be used for flashing. Start by making an outline on the siding where you want to position the ledger board.

The horizontal leg should be wide enough to extend all the way. 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. For example if the deck has. Properly installing a ledger board for your deck is one of the most important structural components of building a safe and strong deck.