Chimney flashing is one of the most common roof leak sources.
A chimney interrupts the roof plane, so water has to be directed around it. When step flashing, counter flashing, apron flashing, or masonry joints fail, water can enter long before the rest of the roof looks worn.
Woodstock homes with tree cover may also collect debris on the uphill side of the chimney, which makes the flashing work harder during heavy rain.
What a real chimney flashing repair can include
Depending on the condition, we may need to remove shingles around the chimney, check decking, install new step flashing, reset counter flashing, seal masonry joints, and review whether a cricket is needed.
Why caulk does not last
Caulk or roof cement over old chimney flashing often cracks, traps water, and makes the next repair harder. The durable fix is usually rebuilding the flashing layers so water sheds properly.
