Ardex VB 100 Ready-to-use, One-component, Water-based, Fast Drying Vapor Barrier, 5 Gal (19 L) Pail, for Absorbent Concrete Floor Coverings on Interior Walls, for Shower Flooring Underlayment

Product Features:

• Advanced Moisture Control: Reduces moisture vapor emissions in concrete to acceptable levels for floor coverings, performing reliably even in conditions up to 100% RH.
• Fast Drying Performance: Quick-drying two-coat system enables installation of underlayments in as little as 60 minutes after second coat application, accelerating project timelines.
• Ready-to-Use Formula: One-component, pre-mixed system requires no additives or dilution, ensuring consistent results while saving time during preparation and application.
• No Priming Required: Eliminates the need for priming or minimum surface profiling before applying underlayments, simplifying installation and reducing labor requirements.
• Versatile Application Areas: Suitable for interior floors and walls in showers, kitchens, bathrooms, steam rooms, and other wet or high-humidity environments.
• Wide Substrate Compatibility: Designed for use over absorbent concrete and compatible with plywood, gypsum plasterboard, and autoclaved aerated concrete surfaces.
• Tile Installation Ready: Ideal under tile underlayment systems, supporting ceramic, porcelain, marble, granite, mosaic, and natural stone tile installations.
• Eco-Friendly Composition: Water-based and zero VOC formulation ensures safe indoor air quality and meets modern environmental and sustainability standards.
• High Coverage Efficiency: Covers approximately 1125 sq ft per 5-gallon unit at two coats, delivering excellent value and consistent performance across large areas.
• Reusable and Resealable: Convenient packaging allows resealing for future use, maintaining product integrity for up to 6 weeks after opening when stored properly.
  

Product Description:

Ardex VB 100 is a professional-grade moisture vapor barrier engineered to control excessive moisture in absorbent concrete substrates. This high-performance, water-based system is designed to reduce vapor emissions to levels suitable for floor coverings, making it an essential solution for both residential and commercial interior applications. Its advanced formulation supports relative humidity conditions up to 100%, ensuring dependable performance in even the most challenging environments.

This innovative two-coat system is fast drying and efficient, allowing underlayments to be installed in as little as 60 minutes after the second coat. Its ready-to-use, one-component design eliminates the need for mixing or additives, simplifying application while maintaining consistent results. With no requirement for priming or minimum surface profiling, it significantly reduces preparation time and labor, making it ideal for fast-track construction and renovation projects.

Ardex VB 100 is highly versatile and compatible with a wide range of substrates, including absorbent concrete, plywood, gypsum-based surfaces, and autoclaved aerated concrete. It is perfectly suited for use beneath tile installations in wet areas such as showers, bathrooms, kitchens, steam rooms, and spa environments. Whether applied under wall tile or floor tile, it provides a reliable moisture barrier that enhances the durability and longevity of the finished surface.

Designed to support various floor coverings, this vapor barrier works seamlessly with ceramic, porcelain, marble, granite, mosaic, and natural stone tiles when used with appropriate thinset mortar adhesives. Its zero VOC composition ensures safe indoor air quality, making it an excellent choice for environmentally conscious building projects. The product is also resistant to high pH conditions and maintains performance integrity over time.

With excellent coverage rates and resealable packaging, Ardex VB 100 offers both efficiency and convenience on the jobsite. It is suitable for projects of all sizes, from small residential upgrades to large-scale commercial installations. Whether you are a professional contractor or a DIY enthusiast, this vapor barrier provides a dependable, easy-to-use solution for moisture control, helping to ensure long-lasting, high-quality flooring and tile installations.