Ardex P4 Pre-mixed, Single-component, Rapid-drying, Multi-purpose Primer, for Interior and Exterior Use, for Ceramic Tile and Natural Stone Tile Flooring Underlayment

Product Features:

• Ardex P 4 multi-purpose primer is designed for use before installing tile and stone systems, including porcelain tile, ceramic tile, marble, granite, and natural stone, as well as most self-leveling underlayments, toppings, and skim coats.
• It creates an ideal bonding layer for high-performance flooring installations.
• This primer is ideal for bathroom tile, kitchen tile, shower tile, and laundry room renovations, drying in as little as 30 minutes for fast project turnaround.
• Its white color clearly identifies primed areas, ensuring complete coverage and reducing application errors.
• Ardex P 4 primer features a drip-free, splash-free consistency that prevents messes and eliminates waste. It is suitable for use over multiple common substrates, including concrete slabs, plywood subfloors, gypsum, cement screeds, terrazzo, autoclaved aerated concrete (AAC), and existing tiles.
• Ardex P 4 primer produces a textured bonding surface that enhances adhesion on smooth or non-porous substrates.
• It is the ideal primer for wet areas such as bathrooms, kitchens, showers, tub surrounds, laundry rooms, and other moisture-prone environments.
• Ardex P 4 primer is suitable for setting a wide variety of floor tile and wall tile, including porcelain, ceramic, mosaic, subway tile, marble, granite, and natural stone.
• It improves adhesion for tile mortar, thinset, and leveling compounds, ensuring long-term durability.

Product Description:

Ardex P 4 is a high-performance, pre-mixed, multi-purpose primer engineered to promote superior adhesion for tile installation systems, self-leveling underlayments, concrete toppings, and surface-preparation projects across residential, commercial, and industrial environments.

This premium bonding primer is designed to prepare smooth, porous, and non-porous substrates, creating a textured surface profile that enhances the bond between the substrate and tile adhesives, thinset mortar, or self-leveling compounds. Formulated for maximum convenience, Ardex P 4 applies easily with a roller or brush, offering a drip-free and splash-free consistency that keeps job sites clean and reduces waste.

Its fast-drying technology allows installation of tile, stone, or underlayments in as little as 30 minutes, significantly increasing productivity for contractors and DIY homeowners working on kitchen renovations, bathroom remodels, shower waterproofing, and full flooring replacement projects.

Ardex P 4 is compatible with a wide range of substrates, including concrete, wood, gypsum, terrazzo, AAC, cement boards, and existing tile, making it an incredibly versatile primer for both new construction and remodeling applications. This durable bonding primer is ideal for areas exposed to moisture, such as bathrooms, kitchens, laundry rooms, and basements, providing added reliability for long-lasting tile, stone, and flooring installations. Whether you are preparing a surface for porcelain tile, ceramic tile, marble, mosaic sheets, granite slabs, self-leveling cements, or vinyl and laminate underlayments, Ardex P 4 ensures a secure, stable, and durable foundation.

Its eco-friendly composition and professional-grade performance make it a top choice among tile installers, flooring contractors, and DIY enthusiasts seeking high-quality results. Achieve stronger adhesion, improved leveling performance, and a flawless surface finish with Ardex P 4 multi-purpose primer.