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.
Fix leak roof flashing.
Roof leaks can occur when the flashing around a vent pipe or chimney separates from the roof and creates a gap.
Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing the rubber gasket that surrounds the vent pipe could be rotted.
Repairing a roof leak from the inside is a temporary fix only.
Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof.
Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems.
Minor roof repairs cost 150 to 400 to fix shingles flashing or patch small leaks.
If your roof is at the point where you need to repair or replace.
Roof flashing around chimneys can separate from the brick allowing rainwater to leak inside the house.
Roof flashing is sheet metal installed at any breaks joints or edges on your roof to prevent leaks.
To repair loose roof chimney flashing.
Flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill holes gaps flashing and loose shingles around roof vent new vent shingles replace worn out roof vent with a new one and shingle around it to provide a better roof leak repair.
Moderate repairs cost 400 to 1 000 to replace flashing valleys shingles in a 10 x10 area or leaks with water damage.
If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic often water runs to openings in the vapor barrier such as at ceiling light fixtures.
Some roof leaks are tough to locate.
Find all cost factors.
Sometimes the water shows up at a ceiling spot distant from the leak.
Compare costs by material.
Flashing works to protect your roof from water and is probably around your chimney too.
Most flashing is composed of aluminum or galvanized metal.
Clean any leaves or other debris out of the gap between the flashing and chimney.
This means that roof flashing repair can typically be cheap and easy to do although there are some mistakes to avoid.
Extensive damage costs 1 000 to 3 000 to fix a sagging roof or leaks with structure repair.
Patching material may not adhere properly if the roof area is damp.
Until a professional can fix it you could use caulking and roof cement temporarily.
If these metal strips rust or crack they could let water in and cause leaks.
Make the final repair as soon as weather permits.
