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How to Transition From Brick to Siding

Brick and siding are often mixed together on a single house -- usually by laying several courses of bricks around the bottom of the house and installing siding on top. One of the challenges of mixing siding and brick in this way is addressing the issue of the transition, or the area where the siding and the brick meet. If the transition is improperly handled, rain water will run off the siding and pool on the brick. Standing water can damage the brick, especially if it seeps into the mortar and freezes. A properly installed transition will consist of a sloping layer of stone that is angled away from the house in order to allow water to run off without doing harm to the brick.

Step 1

Install flashing to the sheathing, starting 4 inches above the top of where the transition will be. The bottom of the flashing should form a 90-degree angle and line the top course of bricks. The drip cap should extend past the edge of the top course of bricks and slope downward to point rain away from the building. The type of nails you use to install the flashing will depend on the type of metal your flashing is made from. Some metal nails react poorly with some flashing materials, so follow the manufacturer's instructions carefully.

Step 2

Secure the angled sill stone to the sheathing with construction adhesive.

Step 3

Install flashing to the sheathing above the sill stone. The drip cap should cover a portion of the top of the sill stone, just far enough that it will extend beyond the siding when it is installed.

Step 4

Install the siding according to the manufacturer's instructions. The bottom edge of the siding should meet the drip cap on top of the sill stone.