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