Repair Roof Flashing Around Chimney

Clean any leaves or other debris out of the gap between the flashing and chimney.

Repair roof flashing around chimney. Once you complete the tearout and clean up shingle up to the bottom of the chimney photo 2 and seal around it with 12 in. It is attached to one side of the chimney and one side on the roof. According to the federal emergency management agency fema improper roof flashing could lead to wood rot and even deck collapse. Use a chisel to remove any hardened roofing cement.

Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right. Completely replacing the flashing costs 400 to 1 000 which includes resealing and replacing the surrounding shingles. Turbo poly seal makes it easy to seal between the bricks and it makes a perf. Chimney flashing is usually found under the shingles at a 90 degree angle.

Most of the time roof leaks occur because the sealing around vent pipes has failed the metal flashing on the chimney has deteriorated or the connections between roof sections have eroded. Before going up on the roof to do the replacement it is recommended that measurements are taken around the chimney so that the flashing can be ordered. Galvanized roofing nails through the front edge of the flashing to hold it in place. Pound four evenly spaced 1 in.

Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks. Flashing is often metal and repels water away from roof joints and fixtures. Wide strips of ice and water barrier. The only way to repair flashing is to replace it.

Roof flashing repair costs 200 to 500 on average for skylights chimneys and vents. Apply a generous amount of roofing cement behind the flashing.