Roof valley flashings: essential for water drainage and leak protection
A roof valley is the critical point where two roof surfaces meet, creating a natural channel that carries rainwater down the join and off the roof. Without proper protection, valleys are prone to water pooling, debris buildup and leaks. A correctly sized valley flashing keeps that junction watertight and structurally sound.
Our COLORBOND® and ZINCALUME® valley flashings are made from 100% Australian BlueScope steel and backed by the BlueScope warranty for long-term durability in Australian conditions.
Custom valley flashings, folded to your measurements
Non-standard roof? We fold valley flashings to your specified dimensions and angles:
- Specify your profile dimensions for a precise, professional fit.
- Indicate any non-standard angles for correct installation and water flow.
- Choose your length to match your roofing layout.
- Select from 21 COLORBOND® colours for a match to your roof.
Download the custom order sheet or email your requirements to sales@metalroofingonline.com.au and our team will confirm pricing and specifications promptly.
How valley flashings protect your roof
- Channels rainwater off the roof to prevent leaks and water damage.
- Improves overall roof drainage, even during heavy rain.
- Reduces maintenance by minimising leaf and debris buildup.
- Protects the most leak-prone junction on the roof, extending the life of the roofing system.
COLORBOND® vs ZINCALUME® valley flashings: which is right for you?
Frequently asked questions
What are valley flashings used for?
Valley flashings direct rainwater safely off your roof where two roof planes meet, protecting your home from leaks and water damage.
Can I order custom valley flashings?
Yes. We manufacture valley flashings to your custom dimensions, angles and choice of 21 COLORBOND® colours. Use the custom order sheet above or email us your specs.
How long does delivery take?
We offer fast dispatch, with delivery times depending on your state. Select your state in the header for accurate availability.
Order your valley flashings today
Protect your roof with Australian-made COLORBOND® and ZINCALUME® valley flashings: custom sizes, competitive pricing and fast, reliable delivery, backed by over 20 years of industry experience.
Metal Roofing Online · 1300 886 944 · sales@metalroofingonline.com.au
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