How to Fix a Leaky Flat Roof

How to Fix a Leaky Flat Roof

Flat roofs are common in commercial buildings. These roofs are very popular with builders and business owners because they are easy to maintain and cost-effective. However, if you don’t keep up with repairs, your roof can quickly become damaged in the event that there is a major storm. Sometimes, you might not realize you have a problem until it is too late.

How to tell if you need flat roof repair

Flat commercial roofs are limited in their lifespan. The roof material protecting your building from water leaks can be damaged by the sun over the years. Here are some signs that you needs flat roof repair in Clark County:

  • Water pooling on the roof repeatedly and in large quantities
  • Large tears, cracks or rips in roof seams or roof
  • Adhesion failure can cause bubbling and blistering.
  • Leakage and moisture in the building
  • The removing of flashing from corners of the roof
  • The presence of lichens, molds, moss and/or algae
  • Top coat damaged

Commercial roofs can be made from materials that conceal problems. These hidden problems can be addressed by professional roofing contractors.

How to deal with heavy rain on your flat roof

A constant drip of water from your ceiling is more alarming than anything else. If you don’t repair your roof, this is a possible problem. During heavy rains, water can flow from your ceiling and cause damage. Here are some tips to fix flat roof leaks to reduce water damage.

  • To locate the source of the leak, check the attic and ceiling.
  • To catch any water, place containers underneath the leak. Keep your floor dry and safe by putting buckets under the leak and cleaning the area frequently.
  • Contact a flat roofing company such as The Original Roofing Company. A professional roof technician will be able to stop the leakage quickly and temporarily.

What causes flat roof leaks?

Flat roof leaks can be caused by many factors. These are the most common causes of flat roof leaks:

  • Poor drainage. Water will pool if your roof isn’t able to drain properly. Standing water can cause roof damage and make it more susceptible to leaks.
  • An older roof. As the roof material is worn down by heat, rain and wind, it can be more susceptible to leaks.
  • Broken flashing. Roof corners exposed to rain and elements. Poor flashing can allow water penetration into the roofing system.
  • Problematic roof membrane. Tears and punctures in the roof membrane, shrinking and blistering leave the interior of your roof susceptible to water damage and leaks.
  • Standing water. Even a small amount of water can cause roof damage and excessive strain. These elements eventually weaken your roof and make it vulnerable to leaks.

Roof penetrations. Vents, drains and HVAC units must be incorporated into the roof membrane. These holes become less watertight over time. Leakage can occur when water seeps into the membrane or roofing system.

How to Fix Temporarily a Flat Roof Leakage

It’s possible to save money and not have enough to repair your roof. In this case, you will need to do some repairs on your own.

Locate the Leak

The source of the leak should be located inside the building. You may find that water has travelled along your roof and pooled elsewhere, so the source of the leak might not be in the best spot. You can take measurements around the leak area relative to adjacent walls.

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Get on the Roof

Start looking for leaks on the roof using the measurements taken from the interior. If there is no obvious damage, check for damage to the roof membrane around any flashings or vents. To access the roof from the ground, you will need a ladder. You may need to call an expert if your roof is too high, unsafe, or you are unable to find the leak.

Get rid of all debris

There may be debris on your roof that could obstruct you from working or cause more damage. Before you start working, remove all foreign objects from the area around the roof leak. It will also help you determine if the roof has been damaged by a storm or is just showing age-related wear.

The Area should be dried

Flat roofs can collect water. Dry the area before you start to fix it. Mold can grow underneath your roof if you fix a hole or trap water under it. Professional assistance may be required if large quantities of water are found between the layers of your roof.

Identify the damage

Check for blisters on your roof. This could indicate that water has seeped between layers of your roof. Also, look out for cracks and alligatoring. This is a sign of long-term sun damage. Which repair method you choose will depend on the extent of your damage. For severe damage, it is best to contact a professional.

Reduce the area that is damaged

Cut through any damaged membrane to remove any moisture. It is necessary to remove all layers of the roof membrane that are damaged, but you must not damage the roofing felt beneath. Before you move on to the next step, dry all areas that need to be repaired.

Use Roofing cement

Remove the layers of membrane that you have cut, and then apply roofing cement to the area. This will seal the leak and provide adhesive for the membrane flaps to adhere to. To seal the cut, press the membrane flaps against the cement.

You can nail it down

To seal the leak, attach the blister flaps to the roof. Be sure to not nail any wires or other sensitive infrastructure underneath. To seal any holes that you might make, cover the nails with roofing cement.

Flat Roof Repairs

Flat roof repairs cost on average $600. The average range is $250-$1,000. Costs will vary depending upon the severity of damage, size and type of roof material used, as well as the extent of repairs. For small areas with minimal damage, the cost of repairs is around $50. A large roof that sustains extensive damage can result in a cost of up to $5,000. Professional roofing companies typically charge between $3-10 per square foot. Metal roofs can be more expensive than fiberglass roofs.

It is important that you know that emergency roof leaks can lead to higher repair costs. For emergency repairs, many companies charge between $100 and $200 more. Flat roof repair companies may have an emergency minimum fee.