Pan flashing should extend at least 12 inches up the roof plane.
Flashing around chimney steel roof.
Chimney pipes on metal roofs must be flashed in order to create a watertight seal around the pipe and prevent leaks through the roof.
Rivet the pan flashing to the sidewall flashing.
A continuous sheet metal apron across the chimney s downslope face l shaped step flashing running up both sides and when the chimney sits below the roof ridge a cricket or saddle running across the upslope face.
Base flashing has several components.
Apply sealant to sidewall flashing where pan flashing tabs will overlap.
Flashing is installed to surround roof features such as vents chimneys and skylights.
The rubber boot is trimmed to fit around the pipe and then secured to the roof with screws and sealant.
The flashing can be installed quickly and easily with kits that use rubber pipe boots.
A cricket is sloped like a tent roof to deflect water around the chimney.