Walk out and take a look at your roof. Wherever there is something penetrating the roof’s surface, there is a chance of leaks developing. Flashing keeps the joints tight and waterproof. However, in time, flashing can fail and need to be repaired.
What Exactly Is Flashing?
Flashing is a thin waterproof material which helps prevent water from getting into gaps in the roof deck. It’s designed to carry the water safely over any gaps and channel it to the gutters.
The material used for flashing is usually rust-resistant metal. Galvanized sheet metal is most commonly used, though aluminum and copper are used for certain applications. When a roofer installs flashing, he uses an adhesive and sealant to keep it in place and to prevent water penetration around the edges.
You will see flashing around any opening in the roof surface, including skylights, chimneys, vent pipes, and dormers. It’s also used to cover the joints between deck boards in roof valleys.
When Does Flashing Need Repair
Flashing can last for many years without any problems. However, with time, it can start to degrade.
- Old galvanized metal can start to rust as the galvanization wears off after years in the sun.
- The sealant which keeps the flashing in place and waterproof can degrade and start to crack.
- When water starts to penetrate the flashing, water damage will follow.
- You may start to see water stains on your ceilings.
- The insulation in your attic may get wet and need to be replaced.
- It can also be damaged by falling branches or other elements.
How Do You Repair Flashing on a Roof
You need to have an experienced roofing professional take a look. He can do the job quickly and safely. The repairs required depends on the amount of damage to the flashing.
If the flashing is separating from the surface below, adding additional sealant may be the only thing needed.
If water damage has already started to occur, the flashing may need to be replaced. This involves removing the existing flashing and installing new flashing in its place.
In many cases, repairs can be made to flashing without repairing other parts of the roof. However, if the underlying surface is degrading due to water damage, it’s important to replace or repair that surface before installing new flashing.
If your roof needs flashing repair, call Roof Repair Specialist in Pasadena.