March 15


Roof Valley Repairs & Costs

By estimate

March 15, 2023

Roof Valley Repairs

The roof valley is a low point created between two roof slopes, usually at the juncture of two different planes of a sloped roof. The valley channels water from one side of the roof to the other, and it is essential for proper drainage; any damage or deterioration in this area can lead to leaks and costly repairs.

Replacing or repairing a roof valley is an important part of maintaining the integrity and longevity of your home’s structure. In most cases, if you are having trouble with leaking or flooding due to a damaged valley, then you will need to replace it rather than repair it. Roof valley replacement costs in Ireland vary depending on the size, shape, material used, labour costs and other factors; however, an average cost is around €350 to €400 for one roof valley, while two could cost upwards of €500.

You can expect it to take approimatley a day to replace a full valley on a roof and for smaller repairs, you can expect it to take around half a day. Two valley's on a roof will take around two days of work to complete.

The Costs

For smaller repairs of a valley and to just replace the cement and re-use the existing valley flashing, the cost will range from €350 - to €500.  To replace the current flashing and relay tiles around it and replace all the cement, the price will be between €500-€1000 for a single valley on average.  Expect to pay a little more for two valleys but not double.

The Solution

If you would like to get an estimate from our local roofing contractor on what a roofing valley repair and estimate will contact you well then why not use us here at to find you a quote so you can compare price and quality without ever having to leave your home and free of charge, simply click on the link below to get your quote today.

FAQ's About Roofing Valleys

1. What is the best material to use for a roof valley repair?
This question is important to answer as the material used for a roof valley repair is crucial to ensuring that the roof valley is properly sealed and protected from leakage. The most common materials used for roof valley repairs are asphalt shingles, rubberized membranes, and metal flashing.

2. How long do roof valley repairs last?
The longevity of a roof valley repair depends on a variety of factors such as the type of material used, the quality of the installation, and the climate in which the roof is located. Generally speaking, most roof valley repairs should last anywhere from 10-20 years.

3. How much does it cost to repair a roof valley?
The cost of a roof valley repair will depend on the size of the valley, the type of material used, and the complexity of the repair. Generally speaking, a roof valley repair will cost between €200-€1000.

4. What are the most common causes of roof valley damage?
The most common causes of roof valley damage are improper installation, extreme weather, and debris accumulation. It is important to inspect the roof valley periodically to identify any potential damage before it becomes a major problem.

What is a roofing valley?
A roofing valley is the area where two roof planes meet and form a V-shape. It is important to properly seal and protect the roof valley from water leakage.

Roofing Valley's are a key component of a roof's waterproofing system and can be a source of water leakage if not properly maintained or installed. Roofing valleys can be repaired using various materials such as asphalt shingles, rubberised membranes, and metal flashing.

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