Balcony Under Tile Waterproofing in West Hollywood Using AVM Systems

A properly installed tile surface is only as reliable as the waterproofing system beneath it. On this custom residence in West Hollywood, our team was responsible for installing a complete under-tile waterproofing system designed to protect the occupied living space below the balcony from water intrusion. Before any work began, we carefully inspected the concrete substrate to ensure it was structurally sound, clean, and properly sloped toward the drains. Door thresholds, drains, and expansion joints received special attention, as these are often the areas most susceptible to future leaks.

Integral Waterproofing with Nano Labs ARK and AVM 700

To enhance the durability of the structure, Nano Labs ARK was added directly into the concrete mix before placement. This integral technology reduces the permeability of the concrete from within. Once the substrate was prepared, we installed the AVM 700 system. Rather than a single coating, we applied multiple layers with fiberglass reinforcement embedded between the coats. This reinforcement improves mechanical strength while allowing the membrane to remain flexible enough to accommodate structural movement and thermal expansion over many years.

Completing the Under-Tile Waterproofing System

After the waterproofing membrane was completed, the remaining under-tile components were coordinated with the finished tile installation. Each stage was completed to maintain compatibility between the waterproofing system and the materials installed above it. Because the membrane becomes concealed beneath the finished tile, proper installation before covering the system is critical. With more than 25 years of waterproofing experience, Surfacing And Waterproofing focuses on proper installation and detailing throughout the entire system.
How do you waterproof a balcony before tiling?

 The concrete surface must be properly prepared before the waterproofing membrane is installed. On this West Hollywood project, AVM System 700 was applied with polyester reinforcement beneath the finished tile installation to create a continuous under-tile waterproofing layer. Particular attention was given to drains, thresholds, joints, and other transitions before the tile work was completed.

The appropriate waterproofing membrane depends on the balcony construction and the finished surface. For a balcony that will receive tile, a dedicated under-tile waterproofing system is typically used beneath the tile installation. On this project, AVM System 700 was selected for that purpose.

 Nano Labs ARK is added directly to the concrete mix before placement, becoming an integral part of the concrete itself. After the concrete cures and the surface is properly prepared, AVM System 700 is installed over the concrete as the under-tile waterproofing system. This provides two different levels of protection: ARK within the concrete and AVM System 700 beneath the finished tile surface.

Planning an under-tile project in West Hollywood?
Contact Surfacing And Waterproofing to discuss your under-tile waterproofing project or submit your plans and specifications for a detailed proposal. Call (323) 508-4033 or email [email protected].

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