WATERPROOFING ACCESSORIES

Waterproofing accessories are essential to any complete waterproofing system, including but not only Preformed Collars, Fiber Reinforcements, Pretection Board, PE damp sheet, Tape past, etc. Though they do not serve as the primary waterproof layer, these components greatly enhance construction quality, durability, and functional completeness. Our full range of compatible auxiliaries works seamlessly with main waterproofing materials, effectively addressing substrate preparation, detail reinforcement, drainage, and other critical needs—ensuring that projects achieve their intended design life and performance. They are truly indispensable for professional waterproofing work.

TYPES OF WATERPROOFING ACCESSORIES

KINJOYA W&W TUBES

Waterproof auxiliary material that closely combines the waterproof layer with the rainwater outlet. Integrates polymer membranes with PVC drains professionally, reducing leakage risk and improving waterproof quality.

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KINJOYA HP FIBERS

High-performance reinforcement material made from high-quality polyester fibers via spunbond and needle-punching. High strength, high elongation, and corrosion resistance. Integrates perfectly with various waterproof coatings.

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KINJOYA HP MAT

High-performance drainage material from modified HDPE using heat-press molding. Excellent drainage, compressive strength, and corrosion resistance. Suitable for construction, municipal, and landscaping drainage needs.

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KINJOYA PU PRIMER

Single-component, low-odor, low-VOC polyurethane coating. Adheres firmly to clean, dry concrete, plywood, and metal. Used before polyurethane topcoat to enhance adhesion strength between coating and substrate.

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KINJOYA EP PRIMER

Base layer of epoxy floor coating system. Penetrates concrete substrate to enhance strength and improve adhesion of subsequent coatings. Available in solvent-based, solvent-free, and water-based types.

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Why Waterproofing Accessories Are Essential for System Performance?

Waterproofing accessories are auxiliary materials ensuring construction quality and functional completeness of waterproofing systems, including primers, drainage tubes, waterproofing mats, non-curing rubber asphalt and various specialized components. Although not serving as the primary waterproof layer, these materials play critical roles in substrate preparation, detail reinforcement, drainage management and finished product protection. High-quality accessories offer excellent compatibility with main materials, effectively addressing engineering challenges such as substrate adhesion, stress concentration and water pressure relief. They are indispensable components for achieving design life and performance requirements in professional waterproofing projects.

Ensuring Full Performance of Primary Waterproofing Layers

The performance of waterproofing membranes and coatings heavily depends on substrate conditions and construction environment. Primers, as substrate treatment materials, seal capillaries, strengthen loose surfaces and enhance adhesion between main materials and substrates, fundamentally preventing hollowing and water migration. Under special conditions such as damp surfaces or low temperatures, specialized interface treatments improve construction conditions, ensuring normal curing and bonding of waterproofing materials. Non-curing rubber asphalt, as an auxiliary layer, fills microscopic voids beneath membranes with its excellent creep and self-healing properties, creating true "skin-type" waterproofing and eliminating water migration paths. These accessories optimize working conditions for main materials, allowing full performance and ensuring long-term system reliability.

Addressing Functional Requirements in Waterproofing Projects

Building waterproofing involves not just blocking water but also drainage, protection and root resistance. Drainage tubes and boards create three-dimensional networks that promptly remove accumulated water, reducing pressure and protecting membranes from prolonged immersion. Root barriers inhibit plant root growth direction through physical or chemical means, protecting green roof membranes from puncture damage. Waterproofing mats provide additional protection at complex details like expansion joints and pipe penetrations, with their water-swellable properties automatically sealing minor leaks. Fiber reinforcements mixed into coatings or mortars improve crack resistance. These functional accessories upgrade waterproofing systems from simple barrier function to comprehensive systems integrating waterproofing, drainage and protection, meeting increasingly complex engineering requirements of modern construction.

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Ensuring Full Performance of Primary Waterproofing Layers

Addressing Functional Requirements in Waterproofing Projects

Different waterproofing accessories support various project stages and conditions

Waterproofing accessories serve distinct functions across project stages and conditions. Primers and surface treatments prepare substrates, ensuring optimal bonding on concrete, metal, or existing membranes. During membrane installation, reinforcing fabrics and preformed details at corners and penetrations provide localized strengthening where stresses concentrate. After the primary system is in place, drainage components manage water accumulation, preventing hydrostatic pressure build-up that could compromise the waterproofing. Protective layers and root barriers shield the finished system from mechanical damage during subsequent trades and biological attack in landscaping applications. For maintenance and repair, specialized tapes and sealants address localized failures without full system replacement. Each accessory is engineered for specific functions and conditions: flexibility at low temperatures, UV resistance, or compatibility with specific membrane chemistries. Selecting accessories designed for the particular project phase and environmental exposure ensures effective performance.

Key Factors in Selecting and Using Waterproofing Accessories

Selecting appropriate waterproofing accessories requires evaluating key factors. Compatibility with primary materials is essential—chemical mismatches risk adhesion failure or degradation. Project-specific conditions dictate needs: below-grade applications require moisture and chemical resistance; exposed areas need UV stability; green roofs demand root barriers. Installation conditions matter—accessories must remain flexible in cold weather or bond on damp surfaces when required. Long-term considerations include durability matching the system’s design life and resistance to environmental stressors. Quality certification and proven field performance build confidence. Following manufacturer guidelines for surface preparation and application ensures proper function. Finally, integration with membranes, flashings, and terminations affects overall system integrity. Systematic evaluation prevents mismatches that could compromise the assembly.