Fix Roof Flashing Around Chimney

Bend the corner flashing tightly around the corner.

Fix roof flashing around chimney. Clean any leaves or other debris out of the gap between the flashing and 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. Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing. Use special masonry caulk to seal the joints between the flashing and the chimney.

Apply a generous amount of roofing cement behind the flashing. Roof shingle over step flashing. To repair loose roof chimney flashing. Use masonry nails or screws to reattach the flashing tight against the chimney.

Step flashing on roof peak. Whether the problem is roof repair flashing replacement or. Water test the roof at the area of the chimney using a garden hose. Flaws in the roofing material above or adjacent to the chimney there may be a broken slate or tile nearby that is causing a leak.

Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right. 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.