Frequently Asked Questions

The Rebotec powder additive is versatile and can be applied to concrete and mortar mixes in several ways:

• At the Plant: The additive can be mixed directly at the batching plant. It is added to the cement, sand, gravel, and water, ensuring it is evenly distributed throughout the mix. This method allows for consistent integration of the additive from the start.
• On-Site Addition: If the mix is prepared on-site, the Rebotec additive can be added directly into the truck mixer upon arrival. The additive should be mixed thoroughly for a minimum of 10 - 20 minutes to ensure uniform distribution within the concrete or mortar. This method is convenient for adapting to specific project needs or site conditions.
• Mixing Guidelines: Whether added at the plant or on-site, it is important to follow the mixing guidelines provided by Rebotec, including the recommended mixing times and conditions to achieve the best results.

The Rebotec powder additive is designed to be highly compatible with commonly used concrete and mortar mixes. Here are some important points:

• Cement-Based Compatibility: The additive is specifically formulated for use with cement-based mixes. It integrates seamlessly with standard concrete and mortar compositions, ensuring no adverse reactions or loss of performance.
• No Adverse Effects: When used as directed, the Rebotec additive does not interfere with the setting time, strength, or other properties of the concrete or mortar.
• Special Considerations: While the additive is compatible with most cementitious materials, it is always advisable to consult with Rebotec's technical team for specific projects, especially if other additives or special mix designs are involved.

The optimal ratio or dosage of the Rebotec powder additive depends on the specific requirements of the project and the environmental conditions:

• Standard Conditions: For general applications in normal conditions, a dosage of 4% of the cement weight is recommended. This ensures a basic level of waterproofing suitable for most projects.
• Humid Conditions: In areas with higher humidity or moisture exposure, a dosage of 8% of the cement weight is recommended. This provides enhanced protection against moisture penetration.
• Wet or Submerged Conditions: For projects where the concrete or mortar will be exposed to constant water or submerged conditions, a higher dosage of up to 20% of the cement weight may be necessary. This maximum dosage ensures the highest level of waterproofing and durability.
• Project-Specific Recommendations: The exact dosage can vary depending on the specific needs of the project. It’s advisable to consult with Rebotec's technical director or a structural engineer to determine the ideal dosage for optimal performance.

Yes, Rebotec has conducted extensive testing and performance evaluations to demonstrate the effectiveness of its additive in waterproofing applications. Some key findings include:

• Compliance with Standards: The Rebotec Admix Powder has been tested in accordance with ASTM C494/C494M – 19ε1 and AASHTO M194/M194 standards. These tests confirm that the additive meets the specific performance requirements for a Type S chemical admixture for concrete, ensuring it provides reliable waterproofing.
• Laboratory Tests: Tests conducted by American Engineering Testing, Inc. showed that concrete mixed with Rebotec Admix Powder exhibited significantly improved water repellency compared to control samples. The concrete’s ability to resist water absorption was measured over various time intervals, demonstrating sustained performance.
• Field Performance: In real-world applications, the additive has been used in a variety of construction projects, where it effectively prevented water infiltration, even in harsh environmental conditions. The results have consistently shown that the additive enhances the durability and longevity of concrete structures by maintaining their waterproof properties.

Permanent effects, once the additive is mixed into the concrete or mortar, become an integral part of the concrete, and takes 28 days to cure. Reboflex warranty is 8-10-15 years, but every 2 years, you have to inspect clean and apply one coat of Reboflex.

The waterproofing effect provided by the Rebotec additive is designed to be permanent. Here’s what you can expect:

• Permanent Effect: Once the additive is mixed into the concrete or mortar and the material has cured, the waterproofing properties become an integral part of the structure. This means that as long as the concrete or mortar remains intact, the waterproofing effect will persist.
• Long-Term Durability: Unlike traditional waterproofing methods that may degrade or require reapplication over time, the Rebotec additive’s effects are long-lasting. The product’s mineral-based composition ensures that it remains effective throughout the entire lifespan of the concrete, providing continuous protection against water infiltration.
• Extended Lifespan: In practical terms, the additive extends the overall lifespan of the concrete structure by preventing issues such as cracking from water damage (doesn't prevent cracking from land movement), spalling, and corrosion of reinforcing steel, which are typically caused by water penetration.

The performance of the Rebotec additive is generally stable and resistant to environmental factors, but there are a few considerations:

• Resistant to Environmental Conditions: The Rebotec additive is formulated to withstand a wide range of environmental conditions, including humidity, temperature fluctuations, and exposure to water. Its mineral-based composition ensures that it remains effective even in harsh environments.
• No Degradation: The additive’s waterproofing properties do not degrade over time due to environmental exposure. Whether exposed to wet conditions, UV light, or atmospheric agents, the additive continues to provide reliable protection.
• Non-Affected by Chemicals: The additive is also resistant to common chemicals found in construction environments. However, it’s advisable to avoid exposure to strong acids or other highly corrosive substances, which could potentially impact the concrete itself rather than the additive.
• Extreme Conditions: In extremely harsh conditions, such as areas with constant exposure to saltwater or chemicals, additional protective measures may be recommended. Consulting with Rebotec's technical team can provide tailored solutions for such environments.

The Rebotec powder additive is suitable for a wide range of construction projects, including but not limited to:

• Industrial Applications: Ideal for large-scale projects such as dams, bridges, tunnels, and other infrastructure where durability and waterproofing are critical.
• Commercial Buildings: Suitable for use in office buildings, shopping centers, and other commercial structures to ensure long-lasting protection against water damage.
• Residential Projects: Perfect for waterproofing foundations, basements, exterior walls, and other areas in homes where moisture control is essential.
• Specialized Applications: The additive is also effective in waterproofing water tanks, reservoirs, swimming pools, and underground structures, providing a reliable barrier against water ingress.
• Repair and Maintenance: In addition to new construction, the additive can be used for repairing leaks and waterproofing existing structures, enhancing their longevity and performance.

Yes, there are specific guidelines for using the Rebotec additive in different environments or structures:

• Basements and Foundations: For basements and foundations, it is crucial to ensure thorough mixing of the additive to achieve uniform distribution. Higher dosages may be required in areas prone to high groundwater levels or where additional moisture protection is needed.
• Swimming Pools: When using the additive in swimming pools, it’s important to apply it during the initial construction phase to ensure that the waterproofing is integrated into the pool structure. The additive should be used at a higher dosage to withstand constant water exposure.
• High Humidity Areas: In environments with high humidity, such as coastal areas or underground structures, a higher percentage of the additive may be recommended to provide enhanced protection against moisture and saltwater infiltration.
• Temperature Considerations: Avoid applying the additive in extreme temperatures, either very cold or very hot, as this can affect the curing process of the concrete or mortar.

While the Rebotec additive is designed to provide comprehensive waterproofing on its own, it can be used in combination with other methods under specific circumstances:

• Primary Waterproofing: The additive is intended to be the primary waterproofing solution, eliminating the need for additional layers or coatings in most cases.
• Compatibility Testing: If you wish to use the additive alongside other waterproofing materials, such as membranes or coatings, it’s essential to conduct compatibility tests first. This ensures that the materials do not interfere with each other’s performance.
• Additional Protection: In extreme conditions, where additional protection is required, using the additive with other waterproofing solutions may be beneficial. However, this should be done under the guidance of Rebotec's technical team to ensure optimal results.

Yes, there are several safety measures to consider when handling and applying the Rebotec powder additive:

• Personal Protective Equipment (PPE): Always wear appropriate PPE, including safety glasses, gloves, and a dust mask, to protect against dust inhalation and skin contact.
• Ventilation: Ensure that the work area is well-ventilated to prevent the buildup of dust and fumes. Mechanical ventilation or localized exhaust systems are recommended.
• Handling Precautions: Avoid creating dust during handling and mixing. Use a slow-speed mixer to reduce dust generation and mix the product thoroughly.
• Storage: Store the additive in a cool, dry place away from direct sunlight and moisture. Ensure that the packaging is sealed tightly when not in use to prevent contamination.
• Emergency Measures: In case of accidental contact with skin or eyes, rinse immediately with plenty of water and seek medical attention if irritation persists.

The Rebotec additive is designed with safety in mind, but there are some risks to consider:

• Health Risks: The additive can cause skin irritation and serious eye damage if proper precautions are not taken. It may also cause respiratory irritation if inhaled in dust form. Wearing appropriate PPE and following safety guidelines minimizes these risks.
• Environmental Impact: The additive is mineral-based and does not release harmful chemicals into the environment. However, it is important to prevent the powder from entering water bodies directly, as it can increase alkalinity.
• Safe Disposal: Dispose of any waste material in accordance with local regulations. The product should be allowed to harden before disposal to prevent environmental contamination.

Yes, the Rebotec powder additive has obtained several regulatory approvals and certifications:

• ASTM Compliance: The additive complies with ASTM C494/C494M – 19ε1 standards for chemical admixtures in concrete, ensuring it meets industry safety and performance criteria.
• AASHTO Certification: It also meets the requirements of AASHTO M194/M194 standards, further validating its effectiveness and safety for use in construction.
• Safety Certifications: The product has been tested and certified for safety in handling, as documented in the Material Safety Data Sheet (MSDS). It adheres to the guidelines set by ABNT NBR 14725:2009 for chemical products.
• Environmental Impact: The product is considered safe for the environment when used as directed, with no significant adverse effects on water bodies or soil when disposed of properly.

The Rebotec powder additive is widely available through multiple distribution channels:

• International Availability: The product is manufactured in several factories in Brazil and is distributed internationally, including in the United States.
• Retail Channels: Rebotec is working towards making the product available through major retailers like Lowe's, Home Depot, and Ace Hardware, ensuring easy access for contractors and DIY enthusiasts.
• Direct Purchase: The additive can also be purchased directly through the Rebotec USA website or via authorized distributors, who can provide tailored solutions and technical support.
• Wholesale Distribution: For large-scale projects, the additive is available through wholesale distributors who can supply the product in bulk quantities, with potential for exclusive territory agreements.

Yes, Rebotec offers comprehensive technical support and assistance to contractors and construction professionals:

• Expert Guidance: Our team of technical experts is available to provide guidance on the proper application, dosage, and mixing techniques for the additive. This ensures optimal performance in every project.
• On-Site Support: For large or complex projects, Rebotec can arrange for on-site support, where a technician can assist with the application process and address any concerns in real-time.
• Training and Resources: We offer training sessions, detailed technical sheets, and application guides to help professionals understand the best practices for using the additive.
• Customer Service: Our customer service team is always ready to answer questions, provide product information, and connect contractors with the right resources to ensure successful project outcomes.

The performance of Rebotec's powder additive is superior to traditional membrane-based waterproofing methods in several key areas:

• Effectiveness: Unlike membrane-based methods that can be vulnerable to punctures, tears, and installation errors, the Rebotec additive integrates directly into the concrete or mortar. This creates a consistent, uninterrupted waterproof barrier throughout the entire structure, eliminating weak points.
• Longevity: The ReboTec additive provides a permanent waterproofing solution. While membranes may degrade over time and require replacement every 5 to 10 years, the Rebotec additive’s effects last as long as the concrete itself, often outliving the structure's intended lifespan.
• Durability: The additive enhances the overall durability of the concrete by preventing water-related damage, such as cracking from water damage (doesn't prevent cracking from land movement), spalling, and corrosion of reinforcing steel. This makes it a more robust and reliable solution compared to membrane-based methods.

Rebotec's powder additive offers several distinct advantages over competing products:

• Permanent Waterproofing: Unlike competitors' products, which may only last for 2-10 years, Rebotec provides a permanent waterproofing solution that lasts the lifetime of the concrete.
• Eco-Friendly and Non-Toxic: The additive is mineral-based, eco-friendly, and non-toxic, making it safe for use in a wide range of environments, including those where human health and environmental impact are a concern.
• Cost-Effective: The additive can reduce overall construction and maintenance costs by eliminating the need for frequent reapplications or repairs associated with other waterproofing methods.
• Versatility: Rebotec's additive is suitable for various applications, including industrial, commercial, and residential projects, offering a single solution for multiple needs.
• Ease of Application: The additive can be easily mixed into concrete or mortar at the plant or on-site, simplifying the waterproofing process and reducing labor costs.

Yes, independent studies and comparisons have been conducted to evaluate the performance of ReboTec’s additive:

• ASTM Compliance: Independent testing has confirmed that ReboTec’s additive meets the stringent requirements of ASTM C494/C494M – 19ε1 and AASHTO M194/M194 standards, ensuring its effectiveness as a waterproofing solution.
• Comparative Studies: Studies comparing ReboTec to traditional membrane-based solutions and other additives have shown that ReboTec offers superior long-term waterproofing, durability, and resistance to environmental factors.
• Field Testing: In real-world applications, ReboTec has been tested against competitors in various challenging environments, consistently outperforming them in terms of water repellency, durability, and ease of application.

The cost per unit of Rebotec's powder additive can vary depending on the project size, dosage, and specific requirements:

• Per Unit Cost: While specific pricing can vary, Rebotec's additive is generally competitive with traditional membrane products when considering the total cost of materials, application, and long-term maintenance.
• Per Square Meter: On a per square meter basis, the initial cost of the additive may be similar to or slightly higher than some membrane products. However, the long-term savings from reduced maintenance and repair costs make it more cost-effective over time.
• Project Basis: When calculating the total cost of waterproofing a project, Rebotec's additive often proves to be more economical due to its ease of application, reduced labor costs, and elimination of the need for additional layers or protective coatings.

Yes, there are significant cost savings associated with using Rebotec's additive:

• Material Costs: While the initial material cost may be comparable to traditional methods, the additive's ability to replace multiple layers of membranes or coatings can reduce overall material expenses.
• Labor Costs: The additive simplifies the waterproofing process, reducing labor time and costs. It can be mixed directly with concrete or mortar, eliminating the need for specialized installation crews.
• Installation Time: The ease of application means faster project completion, leading to savings in project timelines and reduced labor hours.
• Long-Term Savings: The durability and longevity of the additive minimize future repair and maintenance costs, providing significant savings over the lifespan of the structure.

A detailed cost breakdown would depend on the specific project size and conditions, but a general comparison includes:

• Material Costs: Rebotec additive costs are generally competitive with high-quality membrane systems when considering the dosage required for effective waterproofing.
• Labor Costs: The labor costs are typically lower with Rebotec due to the simplified application process, which does not require the meticulous installation associated with membranes.
• Installation Time: Faster installation reduces project timelines, leading to lower overall project costs.
• Maintenance Costs: Traditional membrane systems may require periodic inspections, repairs, and replacements, adding to long-term costs. Rebotec's permanent solution eliminates these ongoing expenses.
• Total Cost: While initial costs may be similar, the total cost of ownership is significantly lower with Rebotec due to reduced labor, maintenance, and repair expenses.

Yes, there are substantial cost savings and benefits associated with the long-term durability of structures treated with Rebotec's additive:

• Reduced Maintenance: The permanent waterproofing effect means fewer inspections, repairs, and replacements, resulting in significant savings over time.
• Extended Lifespan: By preventing water-related damage such as cracking (doesn't prevent cracking caused by land movement), spalling, and corrosion, the additive extends the lifespan of the structure, reducing the need for costly structural repairs or replacements.
• Energy Efficiency: By maintaining the integrity of the building envelope, the additive can also contribute to improved energy efficiency, potentially lowering heating and cooling costs.
• Insurance Benefits: Some insurance providers may offer reduced premiums for buildings with superior waterproofing, providing additional long-term financial benefits.

The lifecycle cost of using Rebotec's additive is generally lower compared to traditional waterproofing methods:

• Initial Costs: While initial material costs may be comparable, the ease of application reduces labor costs, making the upfront investment more manageable.
• Maintenance: The additive’s permanent waterproofing effect eliminates the need for periodic maintenance and replacement associated with membrane systems, leading to significant long-term savings.
• Repair Costs: By preventing common issues such as leaks, cracking, and corrosion, the additive reduces the likelihood of costly repairs, further lowering the total cost of ownership.
• Overall Lifecycle Savings: When considering the total lifecycle cost, including material, labor, maintenance, and repair, Rebotec's additive offers a more economical solution compared to traditional methods.

Yes, Rebotec has conducted cost-benefit analyses and case studies to demonstrate the economic advantages of its additive:

• Case Studies: Projects using Rebotec's additive have shown a significant reduction in both initial construction costs and long-term maintenance expenses. These case studies highlight the additive’s ability to provide reliable waterproofing while reducing overall project costs.
• Cost-Benefit Analysis: Analyses conducted on various projects reveal that the additive’s initial cost is offset by savings in labor, reduced installation time, and long-term maintenance. Over the lifespan of a construction project, the additive offers a more cost-effective solution compared to traditional waterproofing methods.
• Real-World Examples: Examples from industrial, commercial, and residential projects have demonstrated that structures treated with Rebotec's additive experience fewer water-related issues, leading to lower repair costs and extended building lifespans.

Customers who have switched to Rebotec's powder additive from traditional waterproofing methods have reported high levels of satisfaction in both performance and cost-effectiveness:

• Performance Satisfaction: Customers consistently praise the additive’s ability to provide permanent, reliable waterproofing. Unlike traditional membranes, which can fail or require frequent maintenance, Rebotec's additive offers peace of mind by ensuring long-lasting protection.
• Cost-Effectiveness: Many customers have noted that, while the initial cost of the additive is comparable to traditional methods, the long-term savings are substantial. Reduced labor costs, faster installation times, and minimal maintenance needs make the additive a more economical choice over time.
• Comparison with Traditional Methods: Customers appreciate that the additive eliminates many of the drawbacks associated with traditional methods, such as vulnerability to punctures, complex installation procedures, and the need for periodic reapplication. Overall, customers find that Rebotec provides superior value.

At Rebotec, we are committed to ensuring customer satisfaction and addressing any concerns or issues promptly. Here are the measures we take:

• Responsive Customer Support: Our dedicated customer support team is always available to address any questions or concerns. Whether it’s a performance-related inquiry or a cost-related issue, we respond quickly and provide clear, helpful information.
• Technical Assistance: We offer technical support to help customers troubleshoot any issues they may encounter during the application process. Our team of experts can provide on-site assistance, detailed guidance, or even training sessions to ensure proper use of the product.
• Feedback Loop: We actively seek feedback from our customers and use it to improve our products and services. If a customer experiences any issues, we work closely with them to understand the problem and implement solutions, whether it’s adjusting the application method or offering additional support.
• Satisfaction Guarantee: We stand behind the quality of our products and offer a satisfaction guarantee. If a customer is not completely satisfied with the performance of the additive, we work with them to find a resolution, which may include providing additional product, offering a refund, or collaborating on a customized solution for their project.