All real brick or stone through the roof walls and chimneys and those that set on lintels always have metal exposed at all intersections with the roof.
Using through the roof on concrete wall.
For a professional finished look.
For a block wall installation fasten with rust resistant screws using a toe nail method through the jambs into the head and sill boards at each corner.
Easy blending with less work through the roof.
Many slabs contain reinforcing steel mesh to resist cracking.
Goes on clear and stays clear easily blending in with your roof.
Bolt cutters are the best tool for this job.
That can double or even triple the time it takes to tear out the slab.
In a concrete wall without wood framing install the window framework by fastening it into the concrete wall with self tapping concrete screws.
Don t even try using a wire cutter.
Will stick to almost any roofing surface metal plastic asphalt wood concrete and more.
And unlike silicone paint sticks to through the roof.