A metal flashing usually used on chimneys at the roofline to cover shingle flashing and used to prevent moisture entry.
Example:
The crew used counter flashing at the chimney to protect the roof.
COUNTER FLASHING
A metal flashing usually used on chimneys at the roofline to cover shingle flashing and used to prevent moisture entry.
Example:
The crew used counter flashing at the chimney to protect the roof.