Roof Valley Repair Guide

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An old lead roof valley showing lichen, slipping tiles and some fixing nails missing! No job too small.

If you have a pitched roof, you will probably have valleys. These are the areas where two sloping sides meet at a point. They can be open or closed depending on the style of tiles used, but they’re always essential parts of your roof. When there are problems with your valley flashing, water can collect in them and then run down inside the roof, causing leaks that may lead to more severe problems. Contact our team anytime you need a solution to your roofing problems.

A roof valley is the lower section where two roof slopes meet.

Roof valleys are extremely common areas for leaks, so it’s essential to keep an eye on them. If you see rainwater running down your wall near the valley, that could be a warning sign that there’s some water damage and leaking in this area of your roof.

If a roof has been installed incorrectly—for example, if it doesn’t slope correctly—then water may flow through it without being able to escape anywhere along its length (because it’s all inclined towards one end). 

Why it is essential to have flashing in the valley.

The flashing is the part of the roof that stops water from getting in. It is made of materials that will not let water through, such as copper or aluminum. On each side of the valley, you will see two flashing pieces. The first piece should be installed at the top and bottom of each side, while the second should be installed at both ends (top and bottom) but only on one side (left or right). These pieces are needed because they stop rainwater from running along your roof valley into your attic space or walls, where it can cause damage to anything underneath.

Roof valleys are commonly known as the most susceptible areas for leaks to occur.

The fact that they are difficult to access and repair makes them a last-minute job, leading to poor maintenance.

Valleys can be challenging to access because they’re hard to reach and have an awkward shape. Because of this, they’re often left until after other roof work has taken place so that repairs will be more cost-effective and easy.

Watching for rainwater running down your wall near the valley can be a warning sign.

When water starts running down your wall, it’s an obvious sign that a valley might be leaking. But there are other things you can look for as well.

  • Take notice of the color of the water coming down your walls and where it comes from: If it’s clear, it is not necessarily a roof leak. However, if the water has a tint or is coming from one specific area (for example, near a rain gutter), this could signify something more serious going on inside your roof valley.
  • Check around your gutters: If you have gutters on either side of your roof valley, consider whether they’re clogged with leaves or debris and ensure they aren’t overflowing onto your roof. If they are clogged with debris but not overflowing or leaking into any other part of the house via windows or doors, clean out these gutters and keep them free from debris to keep any potential leaks at bay.

You should address leaks immediately, especially those in valleys.

The first step to addressing a problem is always admitting that you have a problem. If you don’t know what’s causing your leak, consult an expert before making any repairs yourself.

  • Check your attic for signs of water damage and mold. If there is any evidence of either, hire a professional to clean up the mess and make sure it doesn’t reoccur in the future.
  • Make sure there aren’t any leaks outside your house—if there are clogged gutters that aren’t draining correctly or other issues with drainage near the foundation (like clogged rain pipes), address them now so they won’t cause more problems down the road!

Roof valleys are a very common cause of leaks in tiled roofs.

Roof valleys are a common cause of leaks, even in new roofs. The water collects in these valleys and can lead to problems over time, such as rotting timber rafters or other structural damage. You’ll need to keep your roof clean and clear of leaves and debris if you have a tiled roof with a valley!

This can lead to leaks, which can cause significant damage. Debris and leaves also tend to get caught in gutters, which will cause them not to drain correctly. 

Valleys can also attract leaves and debris, which may then block them.

Leaves and debris can block valleys, causing leaks. They can also cause rot, mold, and other damage to your roof.

If you are still looking for the source of your leak, it could be coming from the valley. A leaking valley is most commonly caused by a broken or misaligned gutter, which should be fixed immediately.

Gutters can be damaged by falling branches, high winds, and even hail. If your gutters are damaged, they can no longer keep water from flowing over the edge of your roof.

When there’s an issue with your roof valleys, it can cause leaks that lead to more severe problems.

When there’s an issue with your roof valleys, it can cause leaks that lead to more severe problems.

The purpose of a valley is to collect the rainwater and direct it away from your home. If the drainage system cannot drain because it becomes blocked or clogged, this can lead to problems like mold growth and structural damage.

Conclusion

So now that you know the basics of roof valleys and how they are made, we hope that this article has helped improve your understanding of some of the issues that can arise if they are not appropriately maintained. If you have any inquiries or comments, please feel free to get in contact or reach out to us at any time!

Very professional service👍
Update: They arrived on time, professional, tidy and clean work, we asked for photos of the roof work and we received it. Thanks.
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Great communication prior to roof assessment and all issues clearly outlined. Highly recommend
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I had Josh inspect my roof and was impressed with his service.
Response from the owner:Thanks Evan
Roof was repaired, no more holes, bloody good crew, quick job, easy going lads. Not much you can ask for
Response from the owner:Thanks Sam
Fast, efficient service by Josh. Job done in record time.
Response from the owner:Thanks for the review
Came promptly to look at my roof and provided detailed information on what was wrong.
Response from the owner:Thanks the review Yeolanda.
We have just read the other reviews and we agree with them all. Excellent clear communication from both the working team and the office. Prompt. Diligent. Hard-working and no fuss, even in 38 degrees! Really impressive. We now look forward to seeing how our repaired roof deals with the elements over the coming months. Hopefully no need to call on their 10 year warranty!
Response from the owner:Thanks for the review and kind words Wendy.
We were impressed with how quickly the team responded to our inquiry. They provided a comprehensive quote and explained the repairs in detail. Looking forward to seeing the finished work!
Response from the owner:Thanks Joshua
Roof Repairs Perth WA provided outstanding service during our inspection. They were professional, explained the issues clearly, and gave a detailed quote. Highly reliable and trustworthy team!
Response from the owner:Thanks Natalie
Impressive service from start to finish! The team explained the repair process clearly and worked efficiently to address our concerns. Great communication and expertise.
Response from the owner:Thanks Kathy
Josh was excellent—he took the time to explain every aspect of the roof issues and offered practical solutions. His professionalism and attention to detail really stood out. Thanks, Josh!
Response from the owner:Thanks Joe
The team was extremely professional, providing a clear and concise explanation of the issues with our roof. The inspection process was thorough, and the photos helped us understand the necessary repairs. Highly recommend
Response from the owner:Thanks Mateo
Vinnie’s detailed approach to explaining what was wrong with our roof and how they'd fix it was refreshing. He and Josh were thorough without being overbearing, which we really appreciated
Response from the owner:Thanks Greg
Had a great chat with Lauren who got all our paperwork sorted out super quick, and hats off to Josh for not making the roof stuff sound like rocket science. Really felt like I was in good hands.
Response from the owner:Thanks Jen
A big thanks to Vinnie for overseeing the project personally. His expertise and dedication were evident, just as Josh’s thorough assessment reassured us of the high standard of work
Response from the owner:Thanks Jeremiah
After having trouble finding a roof repairer. Roof Repairs Perth WA really came to our rescue they gave Amazing service and were wonderful to deal with. Communication was excellent as well as being a great price. Highly recommend
Response from the owner:Thanks for the review
First class service with this business.
From the assessment through to the quotation, booking, communication and repairs , it was a seamless process. The team that performed the job were polite, courteous, professional, tidy and clean. They turned up when they said they would and walked us through every stage. Fantastic experience :-)
Response from the owner:Thanks for the review Ben
Lauren’s professionalism in handling our appointment and follow-ups was exceptional. She and Josh were a great team, ensuring everything was clearly explained and efficiently executed
Response from the owner:Thanks Jack
Josh did an awesome job
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Response from the owner:Thanks Jad
Josh gave great service, adjusting his attendance to my needs, and providing a clear and concise quote for what was needed to fix my roof issues, and to keep the roof functional for years to come. Thanks, Josh
Response from the owner:Thanks Jo
Josh was thorough in his inspection and clearly explained the issues and possible remedies.
Response from the owner:Thanks for the review Shane
Have just had a quote at this stage but so far the company have been great to deal with in arranging a quote. Josh who came out was really helpful explaining the issues and exactly how they plan to fix them. Very efficient and clear and aren’t trying to oversell on what needs doing.
Response from the owner:Thanks for the review Kate
Just had Perth Roof Repairs out to quote on our roof. Lots of photos taken and good explanation as to what is happening up there.
Very professional, neat and tidy, articulate. Would recommend.
Looking forward to the quote!
Response from the owner:Thanks Lynn
Excellent prompt communication, reliabity and workmanship.
Response from the owner:Thanks Sandra.
Everyone I spoke to was very helpful and friendly, they got out to have a look at our roof in a timely manner and helped us find a solve for our problems.
Response from the owner:Thanks Jeremy
Response from the owner:Thanks Luke
Josh was friendly and very helpful with answers. Whole experience was positive and professional.
Response from the owner:Thanks Voodoo
Lauren was incredibly helpful, keeping us updated throughout the repair process. Her coordination with Josh, who handled the onsite work was seamless.
Response from the owner:Thanks for the review Zach
Vinnie, the owner, personally ensured that all aspects of our roof repair were up to standard. His team, led by Josh, provided detailed photos to verify their findings, making us feel confident in their service.
Response from the owner:Thanks Ralph
Josh was very helpful in providing the feedback and required jobs around the property for the quote. He explained in detail the issues and was able to answer all my questions. Thank you

The site team (Elis and Sanjay) did a great job delivering great service and quality finish standards for the roofing services that was needed. The detailed work carried out with the proper care to excellent finish. Thank you once again team for the great job and onsite feedback after completion. Really appreciate the efforts
Response from the owner:Thanks for the review Kirat
Josh was extremely knowledgable and was happy to answer any questions on the spot about the issues identified. Very professional!
Response from the owner:Thanks for the review Ryan
Josh was excellent, and so was Lauren from the admin team, who facilitated all our communications Smoothly. Their combined professionalism made the entire process a breeze.
Response from the owner:Thank you Robert
Response from the owner:Thanks for the review Rob
Josh was very professional and knowledgeable - he took the time to listen and was able to clearly explain the problem and resolution.
Response from the owner:Thanks for the review Paul
Josh from Roof Repairs was very professional and courteous. He is very knowledgeable and we are confident that the work and quoting is honest and reliable. All problems identified with our roof were backed up with photographs to verify.
Response from the owner:Thanks Julie
Awesome to deal with from the very thorough quote through to the admin communication and the amazing, efficient team carrying out the work. Highly reccommend!
Response from the owner:Thanks for the review Jody
I can highly recommend Roof Repairs Perth WA. They were very clear in their communication and quoting process. Their pricing was fair and competitive. Ellis and Sanjay did an excellent job. They were very polite and worked extremely hard and did an excellent job. Thankyou so much.
Response from the owner:Thanks for the review Judith
Response from the owner:Thanks Bruce
Response from the owner:Thanks for the review
Fantastic service all round.

From the quote through the completion of the job.

Would highly recommend
Response from the owner:Thanks Steven
Great communication throughout the inspection process.
Josh attended and was knowledgeable and conscious of our requirements to resolve issues. Thanks!
Response from the owner:Thanks Stephen
Josh was extremely easy to deal with, he was responsive to every question and explained what he thought might be happening and what is probably not happening. Very happy to recommend.
Response from the owner:Thanks for the review Andrew
Prompt service, accommodated my availability. Very good with the issues which need repairing and resolution to fixing the problem
Response from the owner:Thank you for the review.
Response from the owner:Thanks for the review Calvin
Josh arrived on time to provide a quote. He explained thoroughly the work that needed to be done and gave me a clear understanding of essential repairs required.
Response from the owner:Thanks Dee
My tiled roof was in need of a lot of maintenance to fix many leaks and water damage. Josh and his team were hard working and meticulous in repairing the roof. I can highly recommend Roof Repairs.
Response from the owner:Thanks for the review Peter
Josh was extremely efficient advising me on his arrival time- and was

I was then advised how the quote process would work and timing and the work required after a comprehensive inspection.

Roof Repairs Perth WA are extremely professional and I would recommend you contact them for assistance

Regards
Steve
Response from the owner:Thanks Steve
I just want to give a shoutout to Josh, who came out to assess what work needs to be done on my roof. It was clear Josh knew his stuff and was serious about ensuring that nothing was missed. I was impressed by his professionalism and expertise. Looking forward to getting the work done!
Response from the owner:Thanks Amy

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