This is part of our complete guide to maintaining concrete floors.
A concrete densifier is a chemical solution applied to concrete floors to make them harder, more durable and less porous. This treatment is beneficial for enhancing the longevity and appearance of concrete surfaces commonly used in warehouses, industrial facilities and retail spaces.
What Is a Concrete Densifier and How Does It Work?
Concrete densifiers are chemical compounds that penetrate the surface of the concrete and react chemically with the calcium hydroxide in the concrete. This reaction creates a byproduct that fills the pores within the concrete, making the surface more dense. The primary types of concrete densifiers include those based on sodium, potassium and lithium, with lithium being the most popular, due to its effectiveness and minimal impact on the environment.
Benefits of Using a Concrete Densifier
Using a concrete densifier can significantly increase the strength and density of the concrete surface. It helps to protect the floor from water penetration, stains and wear, making it easier to clean and maintain. Densified floors were also less likely to create dust, ensuring a cleaner environment. This makes them ideal for settings where hygiene and cleanliness are important.
When to Apply Concrete Densifier
The best time to apply a concrete densifier is after the concrete has been cured and any previous finishes or treatments have been removed. Ideally, the concrete should be clean and dry to allow the densifier to penetrate deeply. In new concrete installations, densifiers are typically applied after the initial curing, which can be anywhere from 14 to 28 days depending on the specific product and the environmental conditions.
How to Apply Concrete Densifier
Applying a concrete densifier involves several key steps:
- Preparation - Clean the concrete surface thoroughly to remove any dirt, debris or existing coatings. The surface must be dry to ensure effective penetration of the densifier.
- Application - Apply the densifier uniformly using a sprayer or roller. Coverage rates can vary, so it's important to carefully follow the manufacturer's recommendations to achieve the best results.
- Reaction Time - Allow the densifier to react with the concrete. This usually takes about 20 to 30 minutes, but you should refer to the product’s specific instructions.
- Removal of Excess - After the reaction time, remove any excess densifier from the surface to avoid any potential discolouration or residue issues.
- Curing - The densifier will continue to cure and harden the concrete over the next several hours or days. Avoid traffic on the surface during this period.
Contact the Experts
PWM Sales Ltd specialises in surface preparation and dust control, offering a vast array of equipment in the UK. With over 30 years of experience, our family-run business is well-versed in providing top-quality products and services, ensuring customer satisfaction globally. Our extensive range of products is fully tested and proven, backed by our fully equipped workshops that handle everything from routine services to emergency repairs, with minimal downtime. We also offer nationwide next-day delivery and same-day courier services at no additional cost.
If you’d like more information about the products and services we provide, contact us via our website or call us at 0 1405 862688. We look forward to serving you!