Waterproofing membrane for bridge deck

Chemind waterproofing membrane for bridge deck

Bridge is major component of transport infrastructure. It lets us go over rivers, valleys, and other obstacles that would be impossible to cross. Harsh environments can affect bridge structural integrity over time, especially bridge decks exposed to a wide range of weather conditions, vehicle traffic, and chemicals. To protect our infrastructure and ensure the safety of all who rely on it, waterproofing system for deck bridges is a vita step.

deck bridge with waterproofing membrane

The Dangers of Water Damage to Bridge Deck

Water is a potential threat and problem for bridge structural integrity. When water enters the concrete surface of a bridge deck, it can create various problems such as minor cosmetic issues or severe structural damage. In cold climates, the repeated cycles of freezing and thawing that happen when water enters and exits the concrete can cause cracks and spalling. This can lead to concrete deterioration and steel reinforcement corrosion over time.

Even in warmer climates, moisture can still cause problems. When water and oxygen react with steel reinforcement, it causes the steel to corrode. This weakens the bridge structure and can cause structural failure.

De-icing salts used on roads during winter can also cause a problem. Chloride ions from these salts can enter the concrete surface of a bridge deck, causing corrosion of the steel reinforcement. This is especially problematic for bridges in areas with frequent freeze-thaw cycles.

The Importance of Waterproofing Deck Bridges

To stop water from entering the concrete and damaging a bridge deck, waterproofing is the best solution. Installing a waterproofing system can prevent water and other substances from going inside the concrete surface of a bridge deck. By doing so, it can protect the steel reinforcement underneath and prolong the bridge’s lifespan.

Various types of waterproofing systems are available for use on bridge decks, such as asphaltic membranes, polymer-modified bitumen membranes, and liquid-applied membranes. To ensure complete and long-lasting sealing, these systems are usually applied in multiple layers.

Apart from preventing water penetration, waterproofing systems also safeguard bridge decks from other kinds of damage. They can prevent de-icing salts and other chemicals from corroding the steel reinforcement. Furthermore, they can protect against the harmful impact of environmental factors like ultraviolet (UV) radiation.

Chemind waterproofing membrane works for deck bridge

The Importance of Proper Installation and Maintenance

The significance of proper installation and maintenance can’t be underestimated when it comes to waterproofing deck bridges. Although waterproofing deck bridges is an effective way to protect them from water damage and other threats, it’s important to make sure that the system is installed and maintained properly. Improper installation can result in a system that is ineffective at preventing water penetration, leading to expensive repairs and potential safety issues.

Similarly, a system that is not properly maintained can become damaged or worn, leading to the same problems. Regular inspections and maintenance are crucial to the long-term effectiveness of a waterproofing system. This includes regular cleaning to remove dirt, debris, and other contaminants that can interfere with the system’s performance. It also includes regular inspections to identify any signs of damage or wear and tear, such as cracking, peeling, or other indications of deterioration.


Waterproofing deck bridges holds utmost importance in maintaining our transportation infrastructure and guaranteeing the safety of its users. By inhibiting water intrusion and other forms of harm, waterproofing systems have the capability to prolong the lifespan of bridges, avoiding costly repairs and potential safety risks. Nevertheless, it is crucial to ensure correct installation and maintenance of the system to guarantee its long-term efficiency. Through appropriate installation and upkeep, waterproofing deck bridges safeguard our infrastructure and secure its sustained functionality for future generations.

Contact Us

Chemind Industries Malaysia supplies waterproofing products and offering waterproofing services with its authorized applicators to solve all sort of water leakages and specialize in balcony, reinforced concrete, flat roof leakages. Contact us for free quotation and consultation for your projects.

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