Larsen SBR Bond (Larcem 25)

SBR Bond (Larcem 25) is a high-performance synthetic rubber polymer emulsion designed to significantly enhance the properties of cement-based polymer mortars, screeds, and renders. Specialised for heavy-duty construction and tiling applications, it can be mixed with cement to create a high-strength bonding grout. This additive is optimised for producing thin-section screeds, durable patching/repair mortars, and waterproof finishes that withstand the rigours of modern building environments.

Why Choose Larsen Larcem 25 SBR Bond?

• Superior Bonding Performance: When used as a bonding grout, Larcem 25 is prioritised for its ability to create an incredibly strong interface between old and new concrete, screeds, or renders.

• Enhanced Physical Strength: The inclusion of this synthetic rubber polymer is optimised to improve both flexural and tensile strength, allowing for thinner sections without the risk of cracking or debonding.

• Waterproof and Chemical Resistant: This emulsion is specialised to reduce water permeability and increase resistance to mild chemicals and abrasion, making it ideal for wetrooms, external renders, and high-traffic floors.

• Reduced Shrinkage: By modifying the cement mix with Larcem 25, you can effectively reduce shrinkage during the curing process, ensuring a more stable and reliable finish.

• Steel Protection: The formulation is non-corrosive to steel reinforcement, making it a safe and effective admixture for structural repair mortars.

• Versatile Application: Whether you are creating a waterproof render or a high-strength floor screed, Larcem 25 is engineered to provide a more durable and resilient result than standard cement mixes.

Technical Specifications

• Brand: Larsen Professional

• Product Code: Larcem 25

• Type: SBR (Styrene Butadiene Rubber) Polymer Emulsion

• Pack Sizes: 5L and 25L

• Coverage (Bonding Grout): Approximately 4m2 when diluted 1:2 with OPC

• Coverage (Admixture): 40 to 100 L/m3 depending on the specific application

• Features: Improved Flexural/Tensile Strength, Waterproofing, Abrasion Resistance

• Application: Bonding grouts, thin-section screeds, and repair mortars

Buy online today for fast nationwide delivery across Ireland, or select Click & Collect to pick up your order directly from our Limerick showroom.