Sikabond SBR Bonding Agent 5 Litre – Waterproof Mortar Additive

£18.43

About This Product

  • Premium styrene-butadiene rubber (SBR) bonding agent that significantly improves adhesion between cement-based materials and existing substrates
  • Dramatically enhances waterproofing properties, reducing water permeability and protecting against moisture infiltration in mortar and concrete applications
  • Increases flexibility and elasticity of cement mixes, reducing the risk of cracking and providing superior durability in demanding environments
  • Boosts chemical resistance, making it ideal for areas exposed to mild acids, salts, and weathering conditions
  • Versatile formulation suitable as a primer for dense, smooth substrates or as a direct admixture for screeds, renders, and repair mortars

Availability: 50 in stock

SKU: EB-SIKASBR5 Category: Brand:

Product Highlights

Superior Waterproofing Reduces water permeability and provides exceptional moisture protection for long-lasting results
Enhanced Adhesion Dramatically improves bonding between mortar, concrete and substrates for reliable, durable applications
Increased Flexibility Adds elasticity to cement-based mixes, preventing cracks and extending the lifespan of repairs

Product Specifications

Product Name Sikabond SBR Bonding Agent
Brand Everbuild
Container Size 5 Litre
Product Type Styrene-Butadiene Rubber (SBR) Bonding Agent
Primary Uses Mortar additive, concrete bonding, primer, screeds, renders and repair mortars
Key Benefits Waterproofing, improved adhesion, enhanced flexibility and chemical resistance

How To Use

As an admixture: Add Sikabond SBR Bonding Agent directly to your cement-based mix at the recommended dilution ratio, typically 1 part bonding agent to 4 parts water, then mix thoroughly with your mortar, render or repair compound. As a primer: Apply the bonding agent neat or pre-diluted to clean, dense substrates using a brush or roller, allowing it to become tacky before applying your mortar or render.

Tips & Advice

For best results, always ensure the substrate is clean, dust-free and dampened before application. This product is particularly effective on smooth, non-porous surfaces such as concrete, tiles and painted surfaces where standard mortars struggle to achieve good adhesion.

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