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WHY IS MY NEW ROOF LEAKING

Understanding the reasons behind leaks in a new roof is crucial, as the repair process may be more extensive than you realise.

Why is My New Roof Leaking?

A leaking roof is a homeowner's nightmare, especially when it's brand new. Understanding the reasons behind this issue is crucial, as the repair process may be more extensive than you realise. Here we are looking at the potential causes of a leaking new roof and offering guidance on what steps to take next.

Common Causes of a Leaking New Roof

Poor Installation

One of the leading causes of a leaking new roof is poor installation. If the roofing materials are not installed correctly, gaps and weaknesses can occur, leading to leaks. 

This often happens when inexperienced or unqualified contractors handle the job. Ensuring you hire a reputable roofing company for all future work can prevent this issue - be sure to check for online reviews or take personal recommendations from people you can trust.

Inappropriate or Faulty Materials

Another significant reason for leaks in new roofs is the use of inappropriate or faulty materials. High-quality materials are essential for a durable and leak-free roof, whereas using substandard materials can lead to early deterioration and leaks. 

Just as important as the quality of the materials is having the right type of materials for your home’s structure and the climate you live in, which is why it's vital to choose the right materials for your specific roof type and climate conditions. A reputable roofer should be able to advise you on which materials to consider and which should be avoided.

Flashing Problems

Flashing is a critical component of your roof, designed to direct water away from certain areas. If the flashing is improperly installed or damaged, water can seep through, causing leaks. Regular inspections can help identify and fix flashing issues before they become severe.

Improper Roof Ventilation

Proper ventilation is crucial for maintaining the integrity of your roof. Without adequate ventilation, moisture can build up, leading to mould, rot, and leaks. Ensuring your roof has the right ventilation system can help prevent these problems.

Next Steps When You Notice a Leak

Inspect the Roof

The first step is to inspect your roof thoroughly. Look for obvious signs of damage, such as missing or broken shingles, damaged flashing, or clogged gutters. Identifying the source of the leak can help you understand the severity of the problem.

Contact Your Roofing Contractor

If your roof is still under warranty, contact your roofing contractor immediately. Reputable contractors will stand by their work and address any issues. They should provide a detailed inspection and repair plan to fix the leak.

Consider a Professional Roof Inspection

Sometimes, the cause of a leak isn't apparent. Hiring a professional roof inspector can help identify hidden issues. A detailed inspection report will outline the necessary repairs and help you decide on the next steps.

Temporary Fixes

While waiting for professional repairs, consider temporary fixes to minimise damage. Using roofing tape or sealant can help stop the leak temporarily. However, these are not long-term solutions and should be followed by professional repairs.

Preventive Measures for the Future

To avoid future leaks, invest in regular roof maintenance. Schedule annual inspections, keep gutters clean, and ensure proper ventilation. These preventive measures can extend the lifespan of your roof and keep it leak-free. 


A leaking new roof is frustrating, but understanding the causes can help you address the issue promptly. Poor installation, faulty materials, flashing problems, and improper ventilation are common culprits. Taking immediate action, such as inspecting the roof and contacting your contractor, is essential. Regular maintenance and inspections can prevent leaks and ensure your roof remains in top condition for years to come.

If you are looking for trustworthy professional roofing services, please get in touch.

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