How to install metal roof flashing against brick step 1.
How to install metal roof flashing against brick.
Choose the appropriate flashing size.
Please see our ledger flashing section for a detailed photo of proper flashing placement although brick flashing will be a bit different.
Flash angled roofs in the step method which requires shorter flashing lengths of 6 inches.
We ve cut our z trims and before we install them we need to know where to place them on the panel.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
In order to do that we re going to use the end wall flashing as a guide.
Install base flashing under shingles or over metal roofing material.
However the principles are the s.
Counter flashing is necessary to prevent water that runs down the outside face of flashing from going behind the base flashing.
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.
Open valleys have metal flashing to protect this critical area of the roof.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
Cut a slot of about 1 5 inches into the brick with a circular saw and masonry blade.
The masons should add a bond break layer to keep mortar droppings from creating dams behind the brick.
Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
Use your caulking gun to caulk a straight line above the back of the base flashing.
Usually 8 inch flashing will work but any size will work well.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Install metal counterflashing onto the face of the block extending it down to about inch above the shingles.
If the roof runs flat up against the brick.
Hot and cold weather will make the caulk fail when the metal buckles between nails.
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.
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.
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.