How To Roof Around A Chimney

According to the federal emergency management agency fema improper roof flashing could lead to wood rot and even deck collapse.

How to roof around a chimney.

Most of the time the metal flashing has to be inserted into a slot into the face of the brick. Instead sealing the chimney crown with a liquid sealant we used a rubber membrane. Flashing is a method of weatherproofing the base of a chimney. Flashing is often made of metal which is the norm on a metal roof.

Galvanized roofing nails about every 6 in. We used a relatively new material. Leaks around fireplace chimneys are common and can be hard to identify the source. The flashing on a chimney is one of the biggest reasons for roof leaks.

That part of the flashing is very vulnerable to leaks. Along the edges or closer if necessary to flatten the metal. This particular issue centered around a leaking chimney. So chances are if you ve been looking into your roof and its flashing you.

Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks. The part of the flashing that lies flush with the roof should overlap the roofing shingles. Roof leaks and repairs can come in many shapes sizes and forms. I show how to repair chimney flashing using tar.

Leaks in this area can turn into thousands of dollars of repairs. Chimney roof leaks are usually caused by gaps or cracks between the metal flashing used to join the chimney to the roof and the chimney. Nail it to the roof along the top edge. Applying roofing cement to gaps between metal flashing and the chimney.

Use tin snips to clip the flashing at the point where the other side of the chimney lies against the flashing. Seal the sides of the chimney with prebent pieces of step flashing under each course of shingles photos 4 and 5. The bent edge should fit around 1 corner of the chimney. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit.

Slide the prebent and soldered chimney saddle into place behind the chimney.