What is A Liquid Waterproofing Membrane?
A liquid waterproofing membrane is a protective layer in liquid form applied with a roller, brush, or by spraying that hardens into a flexible, continuous layer. Unlike sheet membranes that require overlapping joints, it removes common leak points and adapts effortlessly to complicated surfaces.
In standard construction specifications for infrastructure projects, the Department of Public Works and Highways (DPWH), for example, requires the use of waterproofing systems to ensure the long-lasting and high performance of structures (DPWH Department Order No. 110, sec. 2017).
This article explains how it works, where it performs best, and how to choose the right solution for lasting protection.
Reason Liquid Waterproofing Solution Is an Effective Choice
Liquid waterproofing systems exhibit great elasticity, are weather-resistant, and will perform well for an extended period of time. This makes it suitable for application on roofs, balconies, terraces, bathrooms, and general wet areas.
With polyurethane waterproofing required in a project, a liquid waterproofing membrane would provide the perfect solution.
Operating Mechanism of a Liquid Applied Waterproofing Membrane
Waterproofing will be effective only if the surface preparation work is properly done.
- The base material should be clean, dry, and dust-free, with oil and loose particles also removed to secure the best possible contact and the most even coating.
- After application, the coating forms a water-resistant film that repels water while maintaining flexibility for changing temperatures and minor structural shifting.
Also, technical guidelines from the Department of Science and Technology-Advanced Science and Technology Institute (DOST-ASTI) underscore that to deliver waterproofing results, you must also take into account the correct setting of the material and the overall standard of waterproofing work.
The Importance of the Use of a Liquid Waterproofing Membrane for Concrete
Concrete naturally has micropores which allow water to gradually seep in. As water seeps into these pores, it can cause corrosion of reinforcement steel, creating cracks and eventually even leading to the destruction of the whole structure if no protective measures are taken.
One way to protect the surface is by covering it with a liquid waterproofing membrane for concrete to prevent any kind of water damage. By choosing good waterproofing materials and making sure that the application of the waterproofing is done correctly, one gets a structure with a long life and lower cost in repair and maintenance.
FAQs
How long does a liquid waterproofing membrane last?
If properly installed, liquid waterproofing membranes generally have 10 to 20 year life spans, though this may vary slightly given the product, surrounding environment, and regular upkeep.
Can liquid waterproofing be applied over existing concrete?
Yes. Concrete that has been waterproofed should have a good, clean, dry surface without any cracks or other major issues, and it should also have undergone proper repairs before the waterproofing.
Is liquid waterproofing suitable for outdoor use?
Yes. Liquid waterproofing systems are mostly developed to handle UV rays, heavy rain, and varying weather, which allows for their good performance mostly outdoors.
Protect Your Property Before Water Damage Starts
The cost of preventing water damage is quite a bit lower than that of structural repair caused by decades of water exposure. A good investment can prolong the life of your property and safeguard it from leaks and expensive maintenance issues. For reliable waterproofing solutions that provide long-term protection, discover Sealbond and select a system that is suitable for residential, commercial, and industrial applications.
References
Department of Public Works and Highways (DPWH). Department Order No. 110, Series of 2017. (2017). Standard Specifications for Waterproofing. Retrieved from: https://www.dpwh.gov.ph/DPWH/sites/default/files/issuances/DO_110_s2017.pdf
Department of Science and Technology – Advanced Science and Technology Institute (DOST-ASTI). (2020). Bidding Documents for Supply, Delivery and Installation of Waterproofing at DOST-ASTI Roofdeck. Retrieved from: https://asti.dost.gov.ph/wp-content/uploads/Philippine-Bidding-Documents-for-Supply-Delivery-and-Installation-of-Waterproofing-at-DOST-ASTI-Roofdeck-1_signed.pdf
