Strange Roof Flashing Situation

Skylights are typically flashed the same way as chimney flashing.

Strange roof flashing situation.

Flashing are thin strips of metal installed at danger points for leaks around a roof. Flashing a wood framed chimney is like flashing a dormer except there s no roof behind it to direct uphill water away without protection water can leak into the joint and rot your walls. Roof flashing is a very important part of a house. It overlaps the roofing material on the downhill side resulting an an exposed flashing.

For roof vents flashing basically slides below the shingles. Flashing needs to be properly sealed to protect against water intrusion. When working on paint colors i have noticed that houses with newer roofs seem to have more flashing than houses with older roofing. Multiple things could cause these small raised sections.

Lets start with the small random bumps on your roof. I m sure there are very good reasons for this change but that doesn t matter here. Roof flashing is now more noticeable than it used to be and that s not good. Speaking of chimneys compromised flashing is a common problem on a roof.

Roof valleys are one of the most vulnerable areas that are prone to water seepage. What causes bumps on your roof. Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks. Most commonly know as nail pops these areas are caused by either a roofing nail not being driven all of the way in or one that gets driven in side ways and will hold the shingle up just slightly.