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How To Fix A Leaking Roof

Roof leaks, no matter how small, can cause significant damage to a home. For this reason, as soon as you notice a leak, you must get it fixed straight away. Many issues that result in roof leaks are easily repaired if they are noticed on time.

At Mates Rates we have fully qualified and experienced Sydney plumbers that can help you out. They will come and assess the damage and repair it before it gets worse. Below is a guide that you can use to find a roof leak and fix it.

Tell-tale signs of a roof leak

Water stains that go along your ceiling or run down your walls are a sign that you probably have a roof leak. Unfixed roof leaks can lead to mould, damaged ceilings, rotted framing, and sheathing destroyed insulation. When you are looking for a roof leak, start by identifying any water stains and follow them to see where they may come from. If you have an attic, go up there and look for mould, black marks, or water stains. Leaks can also come from penetrations like chimneys, piping, or roof vents.

In this article, we will provide you with a comprehensive guide on how to fix a leaking roof, along with recommendations for reliable plumbers in Sydney to assist you if needed.

Safety Precautions

Before you begin repairing a leaking roof, prioritize safety. Ensure you have sturdy ladder access and use proper safety equipment, such as gloves and non-slip shoes. If the leak is extensive or poses a risk, consider contacting a professional Sydney plumber for assistance.

Locate the Source of the Leak

Determine the exact location of the roof leak. Inspect the attic or crawl space for water stains, mold, or dampness. Trace the path of the water to pinpoint the source of the leak on the roof's exterior. Keep in mind that the location of the water entry point may not always align with the visible leak inside the house.

Clear Debris

Remove any debris, leaves, or twigs that may be blocking the roof's drainage system. Ensure gutters and downspouts are free from obstructions to prevent water backup and further leakage issues.

Patch Small Roof Leaks

For small roof leaks, you can use roofing cement or sealant to patch the damaged area. Clean the affected area thoroughly and allow it to dry. Apply the sealant or roofing cement according to the manufacturer's instructions, covering the leak and the surrounding area. Smooth out the material to create a watertight seal. Remember to work carefully and avoid causing additional damage to the roof.

Replace Damaged Shingles

If the leak is caused by damaged or missing shingles, you will need to replace them. Carefully remove the damaged shingle by lifting the edges and using a pry bar. Slide a new shingle into place, aligning it with the surrounding shingles. Secure the new shingle with roofing nails, ensuring it lays flat and is properly sealed. Repeat this process for any other damaged shingles.

Seek Professional Assistance

In some cases, roof leaks can be complex or extensive, requiring the expertise of a professional plumber. If you are uncertain about fixing the leak yourself or if the damage is severe, it is recommended to contact a reliable Sydney plumber specializing in roofing repairs. They will have the necessary experience, tools, and knowledge to handle more significant issues and ensure a proper and long-lasting repair.


Fixing a leaking roof requires careful attention and appropriate steps to prevent further damage. By following the step-by-step guide provided in this article, you can address small roof leaks yourself. However, if you encounter complex or extensive leaks, it is wise to contact a professional Sydney plumber who specializes in roofing repairs for reliable and efficient assistance.


Any plumbing repair or maintenance should be always done by a licensed trades person or your manufacturer’s warranty and your building and content insurance could be voided. Your Mates Rates plumber Sydney will happily give you advice and ensure that you take the best course of action and avoid costly mistakes.

Always keep an eye out for dripping taps in your home, office or garden, toilet cisterns that continually run, leaking hot water tanks and valves, damp spots in floors walls or ceilings, hard to turn or noisy taps or sinks that drain slowly. These are the common early signs of a minor plumbing issue that could result in serious damage and cost you money if not promptly attended to.

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