Roof Flashing

Expert Roof Flashing in Brisbane
Installation and Repair

Roof flashing is one of the most important parts of the home. It is the last line of defence against water leaks. When you have a roof leak, chances are it may be due to a flashing problem.

Flashing directs water towards the gutters making it the most valuable part of the roof’s drainage system. It protects the exposed areas including the vents, edges, valleys, and seams. A professional contractor can install the flashing properly to ensure it lasts for a long time.

Roof Flashing Types

Flashing comes in different forms depending on its application. Below are some of the common roof flashing types used in building construction:

Step flashing

Shaped to fit the vertical of a fixture or the horizontal area of the roof. It overlaps to prevent water from pooling.

Vent pipe flashing

This has a cone shape used to cover vent pipes.

Cap flashing

It has an L-shape, and installed flat against the roof and other structure such as a window. Its shape prevents water from pooling in a crack surrounding the structure.

Saddle flashing

It is used to protect protruding railing attachments or beams.

Valley flashing

It comes in a W shape and placed in an area where two valleys meet.

Continuous flashing

It is a long piece of flashing used to protect the joint of a sloped roof and a wall.

Roof Flashing Types

Flashing comes in different forms depending on its application. Below are some of the common roof flashing types used in building construction:

Roofing felt

You should only use this material with other types of flashing because it doesn’t provide full waterproofing. It is also the least durable among the materials mentioned here.

Galvanised steel

Flashing made of steel lasts long, making it a cost-effective solution. It requires little maintenance and resistant to rust.


Copper roof flashing is custom-made for copper roofing.


You can easily bend aluminium flashing to any shape. It is ideal for roofs with oddly shaped roof features.


It is not advisable to use rubber flashing because it can weaken over time.


PVC or plastic flashing is durable but you can’t use it with asphalt roofing.

Roof Flashing Installation and Repairs

The installation process of the flashing requires a lot of attention. Nails should be secure and all edges are sealed. When installed properly, the flashing material and gravity work together to drain water away from the roof. It is important to employ the services of a professional roofing contractor to install or repair flashing.

Find Out More

When it comes to roof flashing contractors in Brisbane, we at BP Roofing is one of the companies you can rely on. Contact us today if you want to learn more about flashing and other roofing needs.

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