Fix Roof Flashing Around Chimney

The following are the most common reasons for leaks around chimneys.

Fix roof flashing around chimney.

Apply a generous amount of roofing cement behind the flashing. Bend the corner flashing tightly around the corner. Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing. Whether the problem is roof repair flashing replacement or.

Clean any leaves or other debris out of the gap between the flashing and chimney. Step flashing on roof peak. Roof shingle over step flashing. Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right.

For tile roofs the underlayment which keeps water out may be deteriorated. Use special masonry caulk to seal the joints between the flashing and the chimney. If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend. To repair loose roof chimney flashing.

Use a chisel to remove any hardened roofing cement. To do this ask an assistant to observe the area of the ceiling near the chimney and run water along the sealed gaps of the.