How To Install Metal Roof Flashing Against Brick

Open valleys have metal flashing to protect this critical area of the roof.

How to install metal roof flashing against brick. Use your caulking gun to caulk a straight line above the back of the base flashing. Choose the appropriate flashing size. Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.

If the roof runs flat up against the brick. However the principles are the s. Install metal counterflashing onto the face of the block extending it down to about inch above the shingles. I m going to take the end wall flashing put it in place and use a pencil or a sharpie to mark the tops of the ribs and the gable trim just so i know where to put those z s.

We ve cut our z trims and before we install them we need to know where to place them on the panel. The masons should add a bond break layer to keep mortar droppings from creating dams behind the brick. If the roof runs flat up against the brick wall you must install the roof side of the flashing either under the last layer of shingles or over the roof material if it is metal. Counter flashing is necessary to prevent water that runs down the outside face of flashing from going behind the base flashing.

Flash angled roofs in the step method which requires shorter flashing lengths of 6 inches. Most important make sure weep vents are included in the mortar at each pan without a way for water to escape all the fancy flashing is for nothing. Insert the flashing into the cut line and over the ledger board. Usually 8 inch flashing will work but any size will work well.

Cut a slot of about 1 5 inches into the brick with a circular saw and masonry blade. Install base flashing under shingles or over metal roofing material. The second is good the flashing is turned into a deep cut mortar joint about 1 and nails are placed so the head of the nail laps over the bend edge about 3 4 to hold the flashing in place. Hot and cold weather will make the caulk fail when the metal buckles between nails.

Please see our ledger flashing section for a detailed photo of proper flashing placement although brick flashing will be a bit different. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. It is simply a piece of metal liad to the wall and held in place with masonry nails and caulked. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.