Looking to Sell rebotec in your area? Click here to Become a Sales Rep.

How Does Rebotec Concrete 100% Mineral-Based Waterproofing Additive Work?

Written by
Rebotec Team
Published on
May 7, 2026

How Does Rebotec Concrete 100% Mineral-Based Waterproofing Additive Work?

Water is one of concrete’s biggest enemies.

Concrete may look solid and permanent from the outside, but it is naturally porous. That means water can find its way into tiny capillaries, pores, cracks, and weak points inside the structure. Over time, that moisture can lead to damage, stains, mold concerns, corrosion of reinforcement, surface deterioration, and costly repairs.

That is why concrete waterproofing is so important.

Many people think waterproofing only happens after concrete is poured, using a coating, membrane, paint, or sealer on the surface. While those products can be useful in the right situation, they usually protect only the outside layer. Rebotec takes a different approach.

Rebotec Concrete is a 100% mineral-based waterproofing additive designed to be mixed directly into the concrete during production. Instead of simply sitting on top of the surface, Rebotec becomes part of the concrete itself, helping create water-repellent protection from within.

For contractors, builders, concrete professionals, and property owners, this means the waterproofing process can begin before the concrete is ever poured.

You can explore the full product line on the Rebotec Products page.

What Is Rebotec Concrete?

Rebotec Concrete is a water-repellent concrete additive made for use in concrete mixes.

According to Rebotec technical documentation, it is developed specifically for addition during concrete production and becomes an integral part of the finished structure.

In simple terms, Rebotec is added while the concrete is being mixed. Once properly blended, it helps reduce water penetration by making the concrete more hydrophobic.

This is why it is often referred to as:

  • An integral waterproofing admixture
  • A concrete waterproofing additive
  • A hydrophobic concrete solution
  • An internal waterproofing system

To understand how it applies in real jobsite conditions, you can review how to use Rebotec concrete correctly.

How Does Rebotec’s Concrete Waterproofing Additive Work?

Rebotec works by being added directly to the cement and concrete mix at the time of production.

Once mixed, the mineral-based additive disperses throughout the concrete. As curing begins, it becomes part of the internal structure.

This is different from traditional methods:

  • A sealer sits on the surface
  • A membrane is applied externally
  • A coating protects only the outer layer
  • Rebotec integrates into the concrete itself

That internal integration is what makes it a true integral waterproofing system rather than just a surface treatment.

Why Waterproof Concrete From Within?

Concrete is constantly exposed to moisture in real-world environments.

Foundations, slabs, walls, stucco, mortar, brick, stone, and block systems all face different levels of water exposure. When moisture enters, it can affect long-term performance.

Internal waterproofing helps address this at the source instead of reacting later with repairs.

Common Applications Include

Rebotec Concrete is commonly used in:

  • Foundations
  • Concrete slabs
  • Retaining walls
  • Mortar applications
  • Stucco systems
  • Brick, stone, and block work
  • Precast concrete

For additional waterproofing strategies in these applications, you can explore waterproofing prevention strategies.

Rebotec vs. Concrete Sealers and Surface Waterproofing

A common question is:

What is the difference between a concrete waterproofing additive and a sealer?

A sealer protects the surface after the concrete is finished. A coating works similarly by forming a barrier on top.

Rebotec works differently because it is added during mixing and becomes part of the structure itself.

This makes it closer to a long-term system rather than a temporary surface solution.

To compare product types, you can view Rebotec Paint waterproofing solutions for surface-level protection options.

Benefits of Rebotec’s Mineral-Based Waterproofing Additive

Rebotec provides several performance advantages:

  • Helps reduce water penetration
  • Improves long-term durability
  • Becomes part of the concrete structure
  • Supports breathable concrete behavior
  • Made from 100% minerals and zero chemicals

For deeper technical information, you can also review Rebotec resources and technical guides.

How Is Rebotec Added to Concrete?

Rebotec is added during mixing using a mechanical concrete mixer.

It should not be mixed manually.

Proper mixing ensures even distribution throughout the batch, which is essential for performance.

How Much Rebotec Should Be Used?

The dosage depends on application:

  • 4%–18% based on cement weight
  • 12% recommended for mortars, stucco, and masonry applications

Always refer to project requirements or consult Rebotec FAQ guidance for clarification.

How Long Does Rebotec Take to Cure?

Full curing requires approximately 28 days.

During this period, the additive becomes fully integrated into the concrete structure as it hardens.

Where Can Rebotec Be Used?

Rebotec can be used in:

  • Concrete foundations
  • Structural slabs
  • Masonry systems
  • Mortars and stucco
  • Brick and block construction

For video demonstrations of real applications, visit Rebotec video tutorials.

Is Rebotec Eco-Friendly?

Yes. Rebotec is described as:

  • 100% mineral-based
  • 0% chemical formulation
  • Non-toxic
  • Zero VOC content

This makes it suitable for modern sustainable construction practices.

Why Contractors and Builders Should Consider Rebotec

Water damage often leads to expensive repairs, callbacks, and structural concerns.

Using Rebotec early in the process helps reduce those risks by integrating waterproofing into the concrete itself.

For project support or consultation, you can contact the team through the Rebotec contact page.

Call Rebotec USA for Product Questions

If you need help selecting the right product:

Call: +1 469-352-3379

You can also explore full product details on the Rebotec blog for additional educational content.

Conclusion

Rebotec Concrete is a mineral-based waterproofing additive designed to protect concrete from within rather than on the surface.

By integrating directly into the mix, it helps reduce water penetration, improve durability, and support long-term structural performance.

To learn more or request support, visit the Rebotec homepage or contact their team directly.

FAQs

What is Rebotec Concrete?
A mineral-based waterproofing additive mixed into concrete during production.

Is Rebotec a sealer?
No. It is an internal waterproofing additive, not a surface coating.

Where can I buy Rebotec?
You can explore products on the Rebotec Products page.

How do I use it?
Follow instructions on how to use Rebotec concrete.

Is it eco-friendly?
Yes, it is mineral-based with zero chemicals and zero VOCs.

Get Updates
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Blog

Rebotec blog - Use cases, case studies, and more

Get in touch

Contact Methods

Have any questions or need assistance? Reach out to us!

Email

Send us an email and we'll get back to you promptly.

jesse@rebotecusa.com

Phone

Give us a call during business hours for immediate assistance.

+1 469-352-3379

Contact Form

Visit our office for in-person consultations and product demonstrations.

Contact Form