Sika SikaBond SBR 5L

SikaBond® SBR – 5 L

SikaBond® SBR is a high-performance styrene-butadiene rubber (SBR) based bonding agent, primer, sealer and mortar admixture designed to improve adhesion, flexibility and water resistance in cement-based applications. Suitable for both internal and external use, it enhances the performance of renders, screeds, repair mortars and concrete mixes.

Key benefits

• Multi-purpose bonding agent, primer and mortar admixture.
• Significantly improves adhesion to concrete, brick, masonry, tiles, steel and wood.
• Enhances flexibility and reduces shrinkage and cracking.
• Improves water resistance and durability compared to traditional PVA bonding agents.
• Allows thinner application of screeds and repair mortars with improved workability.

Typical applications

• Bonding agent for renders, screeds and repair mortars.
• Primer and sealer for concrete and masonry substrates.
• Admixture for floor screeds, toppings and external renders.
• Improving waterproofing in damp or wet areas.
• Flexibliser for cement-based tile adhesives.

Usage guidance

• Replace part of the gauging water with SikaBond® SBR when mixing with cement and aggregates.
• Can be diluted with clean water for use as a primer or sealer on porous substrates.
• Ensure surfaces are clean, sound and free from dust, grease and loose material before application.
• Clean tools and equipment with water immediately after use.

Product information

• Product Name: SikaBond® SBR – Bonding Agent & Mortar Admixture
• Size: 5 L jerry can
• Appearance: White liquid
• Base: Styrene-butadiene rubber emulsion
• Suitable for internal and external applications

Good to know

SikaBond® SBR is a versatile alternative to traditional PVA bonding agents, offering superior performance in exterior and moisture-exposed environments. Ideal for professional tradespeople and DIY users looking to enhance the strength and longevity of cement-based applications.