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Polycarbonate Coatings – an Effective Solution for Stair Longevity

Updated: Nov 20

Tenera was engaged once more by the townhome complex on Halton St. in Toronto, following successful completion of previous projects, including waterproofing the window wells and repaving the courtyard. The latest project required Tenera's expertise in specifying the restoration of several key stairways within the complex. The scope of work included the front stairs, left and right-side stairs, as well as the party room stairs. Each set of stairs required a comprehensive restoration plan to ensure long-term durability and safety.


Repair Method

The repair methodology employed for this project was meticulous. First, all visible cracks were addressed by opening up the cracks to remove any loose or degraded material, ensuring a solid foundation for subsequent repairs. The cracks were then treated with an industrial-strength adhesive, followed by the installation of a specialised crack filler designed for outdoor exposure. Once the crack repairs were completed, the stair surfaces were coated with a polycarbonate membrane applied in two layers. A critical part of this process involved broadcasting silica sand between the two membrane layers, creating a non-slip surface that enhances user safety, particularly in wet conditions.


Benefits of Polycarbonate Membranes

Polycarbonate membranes offer significant advantages for outdoor applications, making them ideal for this stair restoration project. Their high durability and resistance to UV radiation ensure that the coated surfaces will withstand harsh weather conditions, including prolonged exposure to sunlight without degrading. Additionally, polycarbonate membranes are highly flexible, allowing them to accommodate the natural expansion and contraction of the substrate without cracking. This flexibility, combined with their excellent adhesion properties, makes them an optimal choice for ensuring the longevity of restored surfaces. Furthermore, the waterproofing qualities of polycarbonate membranes protect the underlying structure from water infiltration, preventing potential damage from freeze-thaw cycles and reducing maintenance needs over time.





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