WATERPROOF MEMBRANES

Waterproofing membranes are core materials in building waterproofing projects, manufactured as flexible sheets based on polymers or bitumen through specialized processes. Our company offers a full range of membranes including modified bitumen, synthetic polymers, and self-adhesive types, covering APP, SBS, HDPE, EPDM, PVC, TPO, and more. We provide classic, high-performance, and self-adhesive variants tailored to different construction environments. These products feature excellent weather resistance, puncture resistance, and construction adaptability, widely used in roofs, basements, tunnels, bridges, landfills, and other civil engineering works. All membranes are produced in strict compliance with international standards, combining environmental friendliness and durability to meet diverse waterproofing needs from residential buildings to large-scale infrastructure, ensuring long-term reliable protection for projects.

TYPES OF WATERPROOF MEMBRANES

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APP Modified Bitumen Membrane

APP modified bitumen membrane, with a polyester or fiberglass mat inside, has high heat resistance and good anti-aging properties. It is applied with a torch and is often used on roofs and basements in hot places.

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SBS Waterproofing Membrane

SBS modified bitumen membrane stays flexible and elastic in low temperatures, so it can handle shifts and vibration. With polyester reinforcement to resist fatigue, it is torch-applied for roofs and basements in cold regions.

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> KIN FLAGO DR

HDPE Waterproofing Membrane

HDPE membrane is strong, resists punctures and chemicals, and has low permeability to stop liquids from passing through. Its seams are heat-welded to form a fully bonded system, which is ideal for subways, landfills, and artificial lakes.

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> KIN FLXDO HP

EPDM Waterproofing Membrane

EPDM membrane has good resistance to ozone and UV light, which helps it last a long time. It is very elastic and can move with the structure, making it suitable for cold installation on roofs, bridges, and swimming pools.

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> KIN PLUME DR

PVC Membrane

PVC membrane is strong, stretches well, and stops roots. It is welded with hot air to create a continuous seal and allow fast setup. It comes in different colors for roofs, basements, and green roofs.

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> KIN TARPO DR

TPO Membrane

TPO membrane has no chlorine and is eco-friendly. It reflects heat to save energy, and it blends rubber-like flexibility with the ability to be welded. Its hot-air welded seams are very reliable for industrial and commercial roofs.

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Why Choose Waterproofing Membranes as the Primary Material for Building Waterproofing?

Waterproofing membranes are the most widely used primary materials in building waterproofing projects due to their reliable performance, stable construction quality, and long-term durability. Factory production ensures consistent thickness and quality, while mature installation techniques adapt to various complex structures. They form a continuous, seamless barrier that effectively prevents water ingress, making them the preferred choice for roofs, basements, tunnels, and other critical applications where lasting protection is essential.

Superior Performance

Waterproofing membranes are manufactured under strict factory conditions, guaranteeing uniform thickness, consistent quality, and excellent tensile and tear strength. Their inherent flexibility allows them to accommodate structural movements caused by temperature fluctuations, settlement, or vibration without cracking or rupturing. Whether applied on flat or sloped roofs, underground walls, or complex foundation details, membranes can be installed to form a fully bonded, continuous waterproof layer that reliably blocks rainwater and groundwater, ensuring the integrity of the building envelope over decades of service.

Reliable Installation

Decades of industry experience have refined multiple installation techniques for waterproofing membranes, including torch-applied, self-adhesive, and mechanically fastened systems. These methods are well-understood by contractors and supported by comprehensive standards and detailed node treatments. The use of membranes enables straightforward quality control during installation, with clear acceptance criteria for lapping, sealing, and detailing. Additionally, membranes are easy to transport and store on site, facilitating project scheduling and reducing the risk of material damage. When properly installed, they provide a dependable waterproofing solution with a long track record of success in diverse climates and applications.

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Membrane Types for Varied Applications

Building waterproofing projects face complex conditions, with different membranes offering specific advantages. Modified bitumen types adapt to various climates through modification, while polymer membranes meet special requirements. Roof projects need weather resistance; underground works require puncture and chemical resistance; green roofs need root resistance. Selecting the right type is key. APP membranes perform well in hot regions, SBS in cold climates. HDPE offers chemical resistance for landfills; PVC and TPO combine waterproofing with energy efficiency; EPDM provides long service life. Each membrane serves specific project needs with unique properties.

Quality Steps in Membrane Installation

The final waterproofing result depends on both material and installation quality. Substrate must be flat, dry and clean. Details like corners and pipe penetrations need extra reinforcement. Lap width and sealing must follow specifications strictly. Torch-applied needs heating control; self-adhered requires firm rolling; welded membranes demand correct speed. Water testing verifies performance. Protect finished work from damage. Only with strict control can the system achieve long-term reliability.