Blog, flat roof repair . April 14, 2023

Flat roofs are popular among homeowners because of their low cost and ease of installation. However, they are also susceptible to leaks, especially if they are not properly maintained. If you notice a leak in your flat roof, it is vital to go for a flat roof repair without any delay. This article will guide you through the steps to repair a leaky flat roof.


The first step in flat roof repair is to identify the source of the leak. Start by inspecting the roof for visible damage, such as cracks or holes. Check the roof edges, corners and seams for signs of wear and tear. If you cannot identify the source of the leak visually, you can use a garden hose to simulate rainwater and see where the water is entering.


Before you start the repair, cleaning the roof surface thoroughly is essential. Remove any debris or dirt that has accumulated on the roof.

  • You can use a broom or a leaf blower to sweep the roof surface.
  • You can also use a pressure washer to clean the surface if there are any stubborn stains.


Once you have identified the leak and cleaned the roof, you can start the repair process. There are different methods of repairing a flat roof, depending on the type of roof and the extent of the damage. One of the most common methods is patching the leak.

To patch the leak, you will need a roofing patch kit, which includes a patch material and adhesive. Cut the patch material to a size that will cover the leak and extend at least two inches beyond the damaged area. Apply the adhesive to the underside of the patch and press it firmly onto the roof surface. Smooth out any wrinkles or air pockets to ensure a tight seal. However, you can call professional flat roof repair experts to do so and save your energy.

Does Spray Foam Follow the 'Cut and Paste' Method?

After patching the leak, it is crucial to seal the roof to prevent future leaks. You can use a roof sealant or coating to cover the entire roof surface.

  • Make sure to choose a sealant that is compatible with your roof material.
  • Apply the sealant with a roller or a brush, following the manufacturer’s instructions.

Flat Roof Repair: Tips and Tricks That Can Save Your Life

Here are some tips and tricks to help you repair your flat roof more effectively:

  • Regular maintenance is key to preventing leaks. Inspect your flat roof at least twice a year and after any severe weather events.
  • Choose high-quality materials for your repair. Cheap materials may save you money in the short term but may not last long and cause more damage in the long run.
  • Use safety equipment when working on your roof. Wear sturdy shoes with good traction and use a safety harness.
  • If you are not confident in repairing your flat roof, it is best to hire a professional roofer. They have the knowledge, experience and tools to repair your roof safely and effectively.

Consider Useful & Durable Flat Roof Repair Materials

When it comes to flat roof repair for leaks, there are several materials that you can use depending on the extent of the damage. Some common materials include::

  • EPDM Rubber Roofing: This synthetic rubber membrane creates a watertight seal on flat roofs.
  • TPO Roofing: Polypropylene and ethylene propylene rubber (EPDM) are polymerized to form this single-ply roofing material, which is applied as a mechanically attached white reflective coating.
  • Modified Bitumen: Flared roofs use asphalt modified by heating them with various rubbers and solvents.
  • PVC: This double-layered PVC roof is reinforced with polyester in between its layers. Flexible, UV-resistant and hardening-preventing additives are layered into PVC roofing materials.
  • BUR: A tar and gravel roof is another name for this style. Using bitumen and sturdy fabrics, a thick membrane can be fabricated.

Flat Roof Leaks- The Possible Reasons to Know

Flat roofs are more susceptible to leaks compared to pitched roofs due to the similar slope for water to run off. Some common causes of flat roof leaks include:

  • Poor installation: If the roofing experts fail to install it correctly, leaks can develop over time.
  • Age: Flat roofs tend to deteriorate over time, especially if they need to be appropriately maintained.
  • Weather damage: Extreme weather conditions such as heavy rain, snow and wind can damage flat roofs and cause leaks.
  • Clogged drainage: If the drainage system on the roof is clogged, it can cause water to pool on the roof and lead to leaks.

Steps You Need to Take After the Leak Identification

Once you have identified the leak in your flat roof, the next step is to locate the source of the leak. This can be done by following these steps:

  • Use a ladder to climb onto the roof. Make sure to wear sturdy shoes with good traction and a safety harness.
  • Clear any debris from the roof surface, such as leaves, branches or dirt.
  • Check for any water pooling on the roof. If there is one, this could be a sign of a clogged drainage system.
  • Look for any cracks, holes or other signs of damage on the roof surface.
  • If you find a damaged area, use a utility knife to cut off the damaged section.
  • Use roofing cement to seal the cut area.

Safety Protocols of Climbing on the Roof

When climbing on a flat roof, it is vital to take precautions to ensure your safety. Here are some tips to follow:

  • Wear appropriate clothing and shoes that provide good traction.
  • Use a sturdy ladder that is adequately secured.
  • Use a safety harness and anchor it to a stable object.
  • Avoid climbing on the roof during wet or windy conditions.

Prefer ‘Preferred Roofing’ To Get a Sustainable Solution

Repairing your flat roof all by yourself can be not only daunting but also risky. You can always let it go and hire experienced flat roof repair experts from Preferred Roofing in OKC. Our team has years of experience in inspecting flat roofs for leaks. We know how to provide flawless service so you can bid adieu to your sleepless nights figuring out how to find the leaks.