Sika SikaBond SBR + 5 Litre Waterproof PLUS Bonding Agent 443839 SIKASBR5

Sika SikaBond SBR + 5 Litre SBR PLUS Waterproof Bonding Agent

Sika Code: 443839

MPN: SIKASBR5

Barcode: 5055492700476

Size: 5 Litre Tub

Colour: White Liquid

Sika SikaBond SBR+ 5 litre SBR PLUS is a one component, water based, general purpose, styrene butadiene rubber emulsion, when diluted with water it produces a gauging solution for improving adhesion, workability and waterproofing of mortars and cementitious mixes, reduces water to cement ratio for equivalent workability in mortars, making it easier to spread and allows mixes to be applied in much thinner sections .

Sika Sikabond SBR Waterproof Bonding Agent is a high-performance, versatile bonding agent and admixture designed for construction and renovation projects. Supplied in a 5-litre container, this Styrene Butadiene Rubber (SBR) formula improves adhesion, strength, and water resistance, making it ideal for a wide range of applications. Whether you’re enhancing mortar, screeds, or renders, or preparing surfaces for bonding, Sika Sikabond SBR ensures long-lasting performance and professional results.

SBR + is suitable for both indoor and outdoor use, providing excellent resistance to water and chemicals, ensuring durability even in challenging environments. It can also be used to enhance the flexibility and crack resistance of cement-based materials, making it a reliable choice for demanding tasks. Its versatility makes it ideal for contractors and DIY users, whether you’re working on priming, sealing, bonding, or enhancing mixes for construction.

Key Benefits:

• Improved Adhesion: Ensures strong bonds between materials, including concrete, mortar, and brickwork.
• Enhanced Water Resistance: Provides durable protection against water ingress and chemical exposure.
• Multipurpose Use: Functions as a primer, bonding agent, and admixture for various applications.
• Indoor and Outdoor Applications: Performs exceptionally well in both dry and wet environments.
• Professional Results: Boosts the performance of cement-based products for a reliable finish.

Sikabond SBR+ Uses:

• As a water resistant bonding agent for external rendering and screeds
• Admixture for concrete repair, brick slip and tile fixing mortars
• For improving resistance to abrasion, chemicals and oils

Sikabond SBR + Advantages and Characteristics:

• Increased adhesion
• Reduced shrinkage and cracking
• Improved waterproofing properties
• Improved workability
• Improved mechanical properties
• Improved resistance to freeze/thaw

Approximate Usage:

• As a primer on porous surfaces 1 Part SBR to 3 Parts water.

As a bonding agent:

• 1 Part SBR to 1 to 2 Parts Portland cement.

As a Mortar Admixture:

• 5 to 7 Litres SBR to 25kg of Portland Cement depending on application.

Questions and Answers:

FAQs Sika Sikabond SBR Waterproof SBR PLUS Bonding Agent – 5 Litre

1. What is the primary purpose of Sika Sikabond SBR?
   It is designed to improve adhesion, water resistance, and flexibility in cement-based materials. It serves as a primer, bonding agent, and admixture for a variety of construction and repair applications.

2. Can this product be used in areas exposed to water?
   Yes, it is ideal for water-resistant applications such as bathrooms, swimming pools, and external renders. Its SBR formula prevents water ingress and enhances durability in wet conditions.

3. How does it improve cement-based products?
   When used as an admixture, it enhances the strength, flexibility, and resistance to cracking and shrinkage in mortars, screeds, and renders. This ensures a longer-lasting and more robust finish.

4. Is it suitable for outdoor use?
   Absolutely, Sika Sikabond SBR is perfect for outdoor tasks like rendering, waterproofing, and bonding concrete. It provides long-lasting protection even in harsh weather conditions.

5. Can it be used as a primer for painting or plastering?
   Yes, it is excellent for priming porous surfaces to improve adhesion and reduce dusting. Apply a diluted mixture to the substrate before painting or plastering for optimal results.

6. Does it require dilution before use?
   For priming and certain bonding applications, it is typically diluted with water in a recommended ratio. Always follow the product’s instructions for precise mixing requirements.

7. Is it resistant to chemicals?
   Yes, it offers good resistance to certain chemicals, making it suitable for industrial and commercial applications where chemical exposure is a factor.

8. Why should I choose Sika Sikabond SBR PLUS over standard bonding agents?
   Its SBR formula provides superior flexibility, water resistance, and adhesion compared to standard PVA-based bonding agents. It is also highly durable, making it a reliable choice for demanding tasks.

"Always read the Technical Datasheet prior to first use to ensure you have the correct information and  product for your application"

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