Lead chimney flashing stops the rain finding its way into the roof space by covering over the small gap between the base of the chimney stack and the roof tiles.
Fix roof flashing around chimney.
Minor roof repairs cost 150 to 400 to fix shingles flashing or patch small leaks.
If you notice water stains on the ceiling near a fireplace and the roofing isn t damaged there s a good chance the chimney flashing needs attention.
To repair loose roof chimney flashing.
Bend a piece of cap flashing to fit around the top corner of the chimney and add the cap flashing across the back of the chimney.
Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems.
Roof flashing around chimneys can separate from the brick allowing rainwater to leak inside the house.
When a roof leaks the problem is often due to leaks in and around the metal roof flashing that protects roof edges valleys and the junctions between roofing and obstructions such as chimneys dormers and vent pipes.
Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in.
Pound the flashing into the grooves and fasten with the drive in expanding anchors.
Clean any leaves or other debris out of the gap between the flashing and chimney.
But below is an.
Damaged or improperly installed roof flashing especially around the chimney or dormer is one of the most common causes of roof leaks.
Moderate repairs cost 400 to 1 000 to replace flashing valleys shingles in a 10 x10 area or leaks with water damage.
Extensive damage costs 1 000 to 3 000 to fix a sagging roof or leaks with structure repair.
If you have ever looked at a chimney you will have noticed that the chimney stack has lead flashing around its base.
This head flashing view from lower on the roof shows it extending beyond the width of the chimney and diverting the runoff around the edges of the masonry chimney.
The lead flashing is there to protect the roof from the wind and rain.
Now images of specifications for a chimney head flashing are hard to find for some reason they always like to show a cricket behind the upper side of a chimney.
Use a chisel to remove any hardened roofing cement.
