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Waterproof Your Roof With Liquid-Applied Roofing in Calgary

Does water pool or seep on your flat roof? High rises, commercial buildings and apartments are all examples of the types of roofing we specialize in. Are the balconies of your house overexposed to water? Perhaps the HVAC units or protruding pipes on your commercial roof are causing leaks or damage?

Are you still looking for a solution to waterproof your flat roof in Calgary and the surrounding area? lf the answer to these questions is a yes, you have landed on the right page. Flat Roofing Ltd offers liquid applied membrane as a solution for waterproofing your roof and roof leaks. SIKA Liquid Applied Membrane is a

liquid that once applied  bonds to the material it is applied to, essentially becoming inseparable from the material on which it is applied. Licensed and trained by the manufacturer

Advantages of SIKA

Sika offers 20 year warranty on both material and the installation /  workmanship on repaired areas

No risk of fire because 
there is no open flame. Product testing also shows SIKA liquid applied roofing will not ignite

Avoid dust and debris on balconies

Cost effective without the
use of cranes. Very appealing  for high rises. No road closures for loading and off-loading.

No parking lot disruptions
Sika can be transported 
through service elevators
(you may not even know we are there)

There is no risk of damage or pedestrian injury, as no need to tear off roof & remove to the ground

 Bird resistant, there are  no granules for birds to pick up

Made for the Alberta Climate

There is no loud noise 
or heavy equipment vibrations

A liquid-applied membrane roof, commonly known as LAM, is a monolithic, fully-bonded, liquid-based coating for waterproofing roofs. The process involves curing the coating to form a rubber-like waterproof membrane. This waterproof membrane is then applied over the roofing material to prevent water seepage. The fluid nature of the coating allows it to form a seamless waterproofing membrane with no cracks, gaps or voids. Flat Roofing Ltd is associated with Sika, a leading brand in the industry for fluid membranes, to provide you with superior quality roof waterproofing. Contact us for your next commercial or residential roofing project. We are proud to offer a 20 year warranty on both materials and workmanship on repaired areas!

Why Liquid-applied Membranes?

There are multiple solutions in the market for waterproofing roofs, and each has its own advantages and disadvantages. The choice of the material depends on your needs and budget. Like EPDM and PVC, a liquid rubber membrane is also an excellent choice for making your roof moisture resistant. lt is also a no-slip application that works well for floors that are overexposed to water. lt works by combining the properties of adhesives and coatings to create a bonded waterproofing membrane. Possessing the performance characteristics of modified bitumen, it offers a longer service life with less maintenance. Liquid rubber membranes are also more economical than almost all roofing and waterproofing/weatherproofing solutions available in the market.


If you'd like to learn more about our liquid applied roofing solutions in Calgary, contact our team.

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Reasons to Choose Liquid-Applied Roofing

There are several advantages to choosing liquid-applied membranes as a roofing solution. Some of the main reasons include:

  • Versatile: Liquid-applied membranes offer great waterproofing as they can be applied over different roof structures and substrates to protect against leaks. The membrane offers incredible adhesion, temperature resistance and rapid curing in no time.
     

  • Safety: Another significant advantage of using this membrane is that it does not require heat, kettles, torches or open flames for installation.
     

  • Ease of application: Liquid membranes offer a flexible, easy application directly on your existing roof surface and different roofing materials.
     

  • Reasonable pricing: Rather than a full roof replacement, liquid roofing offers a cost-effective way to waterproof your roof, repair existing damage and extend its life.

Liquid-applied Roofing for Repairs

Liquid-applied roofing is ideal for repairs because liquid membranes cure quickly and are effective immediately. When you have a small area that requires repairs, our roofers can determine whether it will benefit from applying a liquid membrane. We apply the membrane over leaks, cracks and other roofing issues. Since the membrane dries and solidifies quickly, it is a reliable solution for roofing emergencies. lt can be great to use in areas that are hard to access and are uneven.


Liquid membranes are also an excellent choice when you want to refurbish your roof. With these membranes, you don't have to tear down your old and aged roof. We can apply a membrane layer over your existing roof structure and extend its lifespan.

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Balcony Leak Repairs with Liquid-applied Roofing

Most contractors use wood or concrete to construct balconies and waterproof them with a seal. However, seals can wear down over time due to the lack of any protection and result in rotting, damage to construction and leaks.


Liquid-applied roofing is a great solution to repair balcony leaks because of its easy application and flexibility for different surfaces. The membrane can be applied directly over the existing surface, and once solidified, uses a moisture-triggered curing system to waterproof your balcony.


Contact us today for liquid applied roofing services and balcony leak repair for your business or home in Calgary and the surrounding areas.

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Say No to Water Damage

Install liquid-applied membrane on your flat roof system and make it water-resistant.

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