Flashing Between Chimney And Siding

Follow the directions of the siding manufacturer for.

Flashing between chimney and siding.

Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot. The intersection between a roof and a sidewall can be a rot problem waiting to happen. Many homes have a transition point somewhere up the wall where brick gives way to some type of siding whether it s aluminum panels or cedar shingles. Metal flashing materials are used as transition pieces between the roof and chimney structures.

Leave a 1 4 inch gap between the step flashing and wood siding or cement board. I frequently see the sheathing and or housewrap where siding butts into a chimney. Nail j channel for vinyl or metal siding onto the flashing. Proper flashing around a chimney includes two layers.

Sections of l shaped sheet metal are woven into the shingle courses and lapped up the side of the chimney. Improper siding and flashing details can lead to siding failure even with hardie plank. 1 what is the generally recognized best practice for flashing sealing this joint. 2 aside from tearing off the siding and correcting it from the beginning what do you recommend as a solution when you see the underlying structure at this joint.

And more often than not the culprit is the flashing the sheet metal that keeps the intersection between the chimney and roof watertight. Using a metal j flashing between these types of transitions provides a barrier between siding and transitions that protects against water intrusion. Vinyl siding on chimneys vinyl siding is generally not recommended for exterior chimney siding because of the heat that. Flashing materials should be inspected periodically and maintained when needed to prevent leaking problems into the home interior.

The solution to rotting sidewalls is a small. But the j cap also creates a consistent line.