Leak Repairs on Flat Roofs

Leak Repairs on Flat Roofs

Flat roof leak repairs
Installing and repairing flat roofs is what we do

Flat Roof Leak Repair Specialists

We are the flat roof leak repairs specialists. We repair all types of roof leaks. From Modified Bitumen Torch Down Rubber, EPDM RubberTPO  roofs. Our experience comes from 30 years of flat roof installation and leaks repair. Most roof leaks repairs occur on EPDM Rubber Roofs. These repairs are necessary due to the failures of the adhesives used on the seams.

Modified Bitumen Torch Down Rubber Roof Leak Repairs

We specialize in the Modified Rubber Roofing system. Roof leak repairs are seldom necessary because the material is thick and tough and therefore won’t puncture. Some repairs are necessary due to incorrect flashing attachment or seams that were not welded properly.

"Locating the leak is harder than fixing it"

    1. Find the object or place where the roof is leaking
      • Get reference points inside the building or take measurements from two walls to get an approximate idea where the leak is on the roof
      • Check the flashing, skylights, door-pans, vent pipes for possible clues that could cause the leak
    2. Tools and Materials needed
      • Disposable Brush
      • Rags
      • Scissors
      • Steel brush
      • Scraper
      • Turbo Poly Seal or Super Silicone Seal from https://bergstromm.com/
    3. Prepare the Surface:
      • Use the wire brush and brush away any loose paint, debris
      • Wipe the surface clean from any dust
      • Remove any old caulking with a scraper
      • Remove old Tar
    4. Start the repair:
      • Open the can of Turbo Poly Seal or Super Silicone Seal.
      • Stir the contents well
      • Apply a thick coat of sealant over the leaky area covering at least 2 inches on each side of the leak
      • Measure and cut a piece of Polyester Fleece that will be big enough to cover the leak area
      • Apply the fleece over the sealant and dab it into the sealant with the brush
      • Apply a final coat of Sealant over the fleece ensuring that the entire Polyester cloth is covered
    5. Curing Time:
      • Make sure there is at least 1 hour time after fixing the leak and before it rains
      • It takes about 24 hours to cure at 65° F
      • If there is any  sealant left in the container, make sure to seal it very tightly

Pitch Pockets that are located next to Airconditioner units are common to cause leaks.

If your commercial roof is leaking, inspect the following:

  1. Locate the "Pitch Pocket" - this is where all the electrical wires and conduit pipes come through the roof
  2. Make sure the "Tar" is filled to the brim. If the tar is forming a pocket where water can accumulate, it will cause a leak
  3. Make sure the foam insulation around the condenser pip;e is intact. If the foam insulation is corroded or broken, when it rains, water will leak in between the foam and the pipe into the building
  4. Make sure that the Tar seals tightly around the condenser pipe and wires
  5. Check the transition from the Pitch Pocket to the rubber roof - the flashing may need repair

No matter what causes a leak, if you have Turbo Poly Seal or Super Silicone Seal, you can repair any leak

How to repair a leak:

  1. After locating the leaky area, prepare the surface by cleaning it removing loose paint and debris
  2. Wipe the area clean with a rag
  3. Apply one coat of sealant covering two inches on each side of the leak area
  4. Install a precut Polyester Fleece over the sealant embedding it
  5. Apply  a final coat of Sealant over the Polyester Fleece
  6. Make sure to close the container securely so no air can get in
Leak Repairs on a flat roof
The leaf filter is full of debris and water is pooling. Pools of water can cause leaks

Leak Repairs on an EPDM Rubber Roof

The seams on an EPDM Rubber Roofs will often separate due to the adhesive failure. Repairing leaks in these rubber roof is common. Roof leak repair is not easy on an EPDM roof because it is hard to detect what causes the leak. We have made 1000’s of roof leak repairs on EPDM rubber roofs. In its forty years of existence, the adhesives have been the primary culprit of causing roof leaks. The best way to repair the seams on these EPDM Rubber Roofs is to install a cover tape over every seam.

The other reason why so many repairs are needed is that the caulking used to cover the edge of every seam dries out and shrink making a small void area where two overlapping seams meet. To make a leak repair, in this case, all the caulking has to be removed, and a new beat of caulking applied.

Petroleum-based lap sealer is used to make these leak repairs.

EPDM-Rubber-roof-leak-repair
EPDM roof has water pooling. To remove the water a scupper must be installed

DIY Flat Roof Repair Videos and Instructions

Before making a Flat Roof Repair, determine what type of roof you have

Leak Repairs on a TPO Vinyl Roof

TPO roofing requires a heat gun to fuse the seams together. Sometimes when this heat is applied, weather conditions change causing the gun not to apply the proper heat to the seam for melting. This seam can separate and cause a roof leak. To find the leaky area a sharp probe is used against the seam to find a separation or weak spot. After identifying this weak area, a patch is installed with a heat gun. Leak repairs on TPO roofs are not easily done and can be costly.

TPO- Roof Leak Repair
The seams on this TPO Roof came loose

Repairing Roof Leaks

We have been in the Roof Leak Repair business for over 30 years. The challenge is not repairing the leak, but rather finding the cause of it. Troubleshooting a leak on a roof is the hard part, repairing it is the easy part.

We started as The Flat Roof Doctor in Norwalk, Connecticut, repairing leaky roofs. Our experience of over 30 years helps us to find leaks and make the necessary repairs quickly.

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Review Peeper

Flashing

5.0 rating
May 30, 2020

Very informative and friendly we appreciate thank you.

Margarita salinas

very cool

5.0 rating
May 28, 2020

very friendly and good product.

Silvia

Drain leaking

5.0 rating
May 28, 2020

That information is very helpful for me because we have a leak in my flat roof.
Thank you very much

Adelaida Solis

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