Tunnel and Bridge Products

EVA Wateproofing Board
EVA Wateproofing Board
Product Overview

EVA waterproofing board is a type of polymer waterproof membrane made primarily from ethylene-vinyl acetate copolymer, with various additives, produced through processes such as extrusion, blow molding, or calendering. It exhibits excellent flexibility, chemical corrosion resistance, and puncture resistance, making it widely used in various engineering fields such as construction, water conservancy, tunnels, and subways for waterproofing and moisture-proofing applications. It effectively prevents moisture penetration and protects the structural integrity of projects from water erosion.


EVA Waterproof Board Specifications:
Sheet Thickness: 1.5mm
Length: 18.5m, 21.5m
Width: 3m, 4m
Other specifications to be agreed upon by both parties.

Product Feature
Excellent Waterproof Performance: EVA material itself has low permeability, with a dense molecular structure that effectively blocks the penetration of water molecules. It can maintain good waterproof performance over the long term and adapt to different engineering waterproofing environments.

Good Weather Resistance: It possesses UV resistance and can withstand extreme temperatures, maintaining good physical properties in environments ranging from -40°C to +60°C. It is not easily aged or cracked, ensuring a long service life and the ability to endure prolonged exposure to natural elements.

High Flexibility and Puncture Resistance: The material is soft and flexible, making it resistant to damage even when subjected to stretching or bending during installation. Additionally, it has high puncture resistance, able to withstand sharp objects and reduce damage to the waterproof layer caused by external factors.

Environmentally Friendly and Non-Toxic: EVA material is non-toxic and odorless, posing no harm to humans or the environment, and complies with environmental protection requirements. It is suitable for projects with high environmental standards, such as waterproofing for drinking water pools and food processing workshops.

Easy to Install: Lightweight and easy to handle, it can be installed using various methods such as hot welding and mechanical fastening. The welding performance is excellent, with strong seams that effectively ensure the integrity and seal of the waterproof layer.

Good Adhesion to Substrate: It has good bonding performance with substrate materials like concrete, allowing it to firmly adhere to the surface without issues like hollowing or peeling, thereby ensuring the stability and reliability of the waterproof system.
Scope of Application
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