PU membrane coating is a reactive coating that cures into a highly elastic rubber-like membrane. It offers excellent tensile strength, elongation, and abrasion resistance, bridging substrate cracks. Outstanding water and chemical resistance make it suitable for long-term immersion. Our polyurethane coatings include classic, damp surface, water-based, and high-temperature topcoat versions for various climates and conditions. Widely used on roofs, bathrooms, swimming pools, basement slabs, and walls. Its seamless membrane formation is ideal for irregular joints and complex details, making it one of the most common coatings in residential and industrial waterproofing.

TYPES OF POLYURETHANE WATERPROOF COATINGS

KINJOYA PU 3H CLASSICKINJOYA PU 3H CLASSIC

High solids, VOC-compliant, single-component, moisture-curing polyurethane membrane. Available in Flat substrate and Sagging Resistant viscosities for horizontal and vertical surfaces. Excellent tensile strength and elongation.

KINJOYA PU AQRKINJOYA PU AQR

High solids, VOC-compliant, one-part, rapid moisture-curing polyurethane membrane. Good adhesion to wet substrates. Available in FS and SR viscosities for horizontal and vertical applications. Excellent tensile strength and elongation.

KINJOYA PU HYDKINJOYA PU HYD

High-solid-content, VOC-compliant, single-component, fast moisture-curing polyurethane membrane. Good adhesion to damp substrates. Curing speed can be increased by stirring with water at lower temperatures.

KINJOYA PU TAUKINJOYA PU TAU

KINJOYA PU TAU is a single-component, high elastic, weather-resistant polyurethane liquid waterproofing membrane. Formulated with an aliphatic system, it cures upon reacting with ambient moist...

KEY ADVANTAGES OF POLYURETHANE WATERPROOF COATING

High Elasticity and Crack Bridging Ability

Polyurethane coatings cure to form a highly elastic membrane that accommodates substrate movement and bridges existing or developing cracks. This elasticity remains effective across a wide temperature range, ensuring the waterproof layer stays intact as buildings settle, vibrate or undergo thermal expansion. The material's flexibility makes it particularly valuable on roofs and other structures subject to dynamic stresses.

Strong Adhesion and Seamless Protection

The reactive nature of polyurethane creates excellent adhesion to various substrates including concrete, metal and wood. Applied as a liquid, it flows into pores and irregularities, curing to form a continuous, joint-free membrane. This seamless characteristic eliminates potential weak points found in sheet materials, providing reliable waterproofing especially around complex details and penetrations.



High Elasticity and Crack Bridging Ability

Strong Adhesion and Seamless Protection

TYPICAL APPLICATIONS FOR POLYURETHANE WATERPROOF COATING

Roof and Balcony Waterproofing

Polyurethane coatings are widely used on flat roofs, pitched roofs and balconies where their seamless membrane prevents water ingress through joints and cracks. Their ability to remain flexible under temperature extremes ensures long-term performance in exposed conditions. The coatings form a durable surface that can withstand foot traffic during maintenance activities.

Basement and Wet Area Protection

Below-grade structures such as basement walls and slabs benefit from polyurethane's resistance to hydrostatic pressure and moisture. In bathrooms, kitchens and laundry rooms, these coatings create reliable barriers around drains and pipe penetrations where water exposure is frequent. Their seamless application eliminates grout lines and joints that can leak in tiled areas.

Roof and Balcony Waterproofing

Basement and Wet Area Protection

FLEXIBILITY AND SUBSTRATE ADAPTABILITY OF POLYURETHANE WATERPROOF COATING

Polyurethane pu waterproofing, polyurethane liquid waterproofing, polyurethane roof waterproofing coating cures into a highly elastic, rubber-like film with high elongation at break. This exceptional elasticity allows it to accommodate building movements caused by temperature changes, settlement, or loads by stretching with the substrate without cracking. Furthermore, it exhibits strong adhesion to various substrates like concrete, mortar, metal, and wood. As a liquid, it penetrates and wets surfaces to form a continuous layer that bonds tightly, even over hairline cracks. This adaptability makes it ideal for both new and existing projects, especially for roofing and basement slabs prone to cracking.

Now price of polyurethane paint waterproof is reasonable, anything you need, please contact us.

If you want to know more kinds of waterproofing supplies, please visit our website.

PVC waterproofing membrane is based on polyvinyl chloride resin with plasticizers and stabilizers. It offers high strength, good elongation, and excellent root resistance. Colored surfaces provide decorative and energy-saving benefits. Hot-air welding creates a monolithic seal for rapid installation. Widely used in roofs, basements, civil defense works, and green roofs. We offer reinforced and non-reinforced PVC membranes, along with prefabricated accessories, to meet various load and design requirements. High-performance and self-adhesive series further enhance suitability for special environments.

TYPES OF PVC MEMBRANES

KIN PLUME DRKIN PLUME DR

Synthetic PVC-P membrane obtained by co-extrusion. Naturally fire resistant, self-extinguishing, and resists flame spread. Features high tensile strength, high elongation, low shrinkage, and good flexibility at low temperatures.

FIRE RESISTANCE OF PVC WATERPROOFING MEMBRANE

Inherent Flame Retardancy

Firstly, PVC material itself possesses flame-retardant properties. Its chlorine content makes the membrane difficult to ignite and gives it self-extinguishing characteristics. When the ignition source is removed, the material quickly stops burning, effectively preventing flame spread. This property enables PVC waterproofing membranes to meet strict building fire codes, making them particularly suitable for roofing projects with fire resistance requirements, such as public buildings, commercial complexes, and high-rise structures.

Non-Dripping and Charring Behavior

Secondly, pvc roofing membrane does not produce molten drips when exposed to fire, eliminating the risk of secondary fires caused by burning droplets common with traditional materials. Meanwhile, the char layer formed on the membrane surface acts as a barrier, delaying heat transfer to the substrate. This stable combustion behavior buys valuable time for fire rescue operations and significantly enhances the fire safety rating of the entire roofing system, reducing safety hazards during fire incidents.

Inherent Flame Retardancy

Non-Dripping and Charring Behavior

CHEMICAL RESISTANCE OF PVC WATERPROOFING MEMBRANE

Resistance to Acids, Alkalis, and Salts

On one hand, PVC material exhibits good resistance to various chemical media including acids, alkalis, and salts. In locations with chemical exposure risks such as chemical plants, electroplating workshops, or laboratories, pvc membrane flat roof can resist penetration and erosion from corrosive liquids, maintaining the integrity of the waterproof layer. Its dense molecular structure effectively blocks chemical substances from damaging the concrete substrate, extending the building structure's service life and reducing production losses from frequent repairs.

Resistance to Oils, Greases, and Solvents

On the other hand, PVC waterproofing membrane also demonstrates strong resistance to greases, mineral oils, and various industrial solvents. In areas such as machine shops, parking garages, or oil depots, the membrane does not swell, soften, or degrade upon contact with oil contaminants. This chemical stability ensures the long-term reliability of the waterproofing layer in complex industrial environments, making it particularly suitable for floor and roof waterproofing in industrial facilities that must withstand both mechanical wear and chemical attack.

Resistance to Acids, Alkalis, and Salts

Resistance to Oils, Greases, and Solvents

SEAM STRENGTH OF PVC WATERPROOFING MEMBRANE

PVC water waterproofing membrane utilizes hot-air welding technology for seams, where high temperature melts and fuses the lapped areas, creating a homogeneous connection matching the parent material. The welded seam strength can reach or even exceed that of the membrane itself, achieving truly seamless waterproofing. This homogeneous fusion avoids the delamination or aging issues possible with adhesive bonding, ensuring reliable sealing even under long-term water pressure or substrate deformation, fundamentally eliminating the risk of water migration.

Now the pvc waterproofing membrane price is reasonable, anything you need, please contact us.

Onnittelut uudesta blogistasi!

Tämä on esimerkkiartikkeli. Uutta sisältöä voit luoda blogin hallinnan kautta. Voit poistaa tämän artikkelin artikkeliarkiston kautta.

Polyurea waterproofing coating is a spray-applied, ultra-high-performance coating that cures extremely fast (gels in seconds), offering high construction efficiency. It exhibits astonishing tensile strength, tear strength, and abrasion resistance while maintaining good flexibility. Resistant to chemicals and thermal shock. High solids content, solvent-free, eco-friendly. Ideal for high-speed railways, dams, sewage tanks, stadium stands, and other projects demanding durability and rapid application. We offer classic polyurea systems with customizable colors, serving as top-tier waterproof protection in extreme environments.

TYPES OF POLYUREA WATERPROOF COATINGS

KINJOYA PUA 3H CLASSICKINJOYA PUA 3H CLASSIC

High-performance elastomer coating for harsh environments requiring long-term protection. Moisture-cures to form a polymer elastomer. Offers excellent waterproofing, corrosion resistance, and wear resistance.

KEY ADVANTAGES OF POLYUREA WATERPROOF COATING

Extremely Fast Curing and High Efficiency

Polyurea coatings cure within seconds after application, allowing rapid return to service and minimizing project downtime. This fast-curing property enables multiple coats to be applied in a single day and makes the coating ideal for projects with tight schedules. Foot traffic and even vehicular access can often be permitted within hours of application.

CORROSION AND ABRASION RESISTANCE OF POLYUREA WATERPROOF COATING

Superior Corrosion Resistance

Polyurea waterproof coating demonstrates exceptional chemical stability, providing robust protection against a wide range of corrosive substances, including acids, alkalis, salts, and various industrial effluents. This inherent resistance makes it an ideal lining solution for demanding environments such as chemical plant floors, secondary containment areas, and wastewater treatment tanks. By forming an impermeable barrier, it effectively prevents substrate degradation and structural damage caused by chemical exposure, ensuring long-term durability in harsh industrial settings.

KEY INSTALLATION CONSIDERATIONS FOR POLYUREA WATERPROOF COATING

Polyurea application demands specialized spray equipment operated by trained professionals. Proper substrate preparation is critical—surfaces must be clean, dry, and typically abrasive-blasted to achieve the required anchor profile. Environmental conditions like temperature and humidity significantly affect curing and must be closely monitored. Precise control of mixed material ratios is essential for consistent performance. Due to the extremely fast cure time, application is a continuous process requiring careful planning. Safety precautions, including proper ventilation and full protective gear, are mandatory during spraying.

If you want to know more kinds of water proofing products, please visit our website.