Waterproofing a Concrete Commercial Roof

Concrete roofing has many advantages to other types of commercial roofing. It is incredibly durable, water-resistant, and offers a unique aesthetic appeal that is fitting for a variety of commercial applications. However, concrete roofing is not indestructible. It can become damaged by water over time and will form leaks, cracks, or even grow vegetation if not properly treated. Below are our recommendations for preventing these issues with concrete waterproofing: 

 

Step One: Clean and repair your roofing

A roof that is dirty, damaged, or already has cracks in it cannot be properly waterproofed. Before you schedule your waterproofing service, be sure to ask your MaintenX technician to plan a day for cleaning the roof, repairing minor cracks, and placing a seam tape over any cracks or spaces between concrete shingles. 

 

Step two: Add a primer

Adding a concrete primer underneath your waterproof sealant will help the sealant adhere to the concrete and ensure a long-lasting application. On the morning of your service, your roofing technician will spray or paint the primer onto the roof, starting from one corner and working linearly. It may take several hours for the primer to dry, which means that waterproofing your roof could be an all-day event. 

 

Step three: Add your concrete sealant of choice

There are a variety of waterproof sealant options for concrete roofing, from paints to liquid rubber to concrete-specific sealants that will provide a waterproof barrier. The design (sloped or flat roof), age, and your facility’s budget will all factor into which concrete sealant is right for you. However, your MaintenX roofer will be able to help you decide which one will be most suitable for your building. 

 

After your waterproof sealant is dry, your roofing will be guaranteed safer, more aesthetically pleasing, and of greater value than it was before. A MaintenX roofer will walk you through the specific steps, but we are confident you’ll be happy with this long-term investment in your facility. 

 

MaintenX also offers concrete roof installation, repairs, and preventative services for commercial facilities. To learn more about our roofing services, contact your local MaintenX

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