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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sovereign SBR Bonding Agent - For Render, Screed & RepairSovereign SBR Bonding Agent High Strength Styrene Butadiene Polymer Additive for Render, Screed & Repair A milky white dispersion of carboxylated styrene butadiene copolymer specially modified for use as a bonding agent and additive. Unlike PVA, it does not re emulsify, making it ideal for waterproofing, tanking, and external applications. Provides improved adhesion, flexibility, water salt resistance, and durability in cement based systems. Key
Sovereign SBR Bonding Agent
High-Strength Styrene-Butadiene Polymer Additive for Render, Screed & Repair
A milky-white dispersion of carboxylated styrene-butadiene copolymer specially modified for use as a bonding agent and additive. Unlike PVA, it does not re-emulsify, making it ideal for waterproofing, tanking, and external applications. Provides improved adhesion, flexibility, water/salt resistance, and durability in cement-based systems.
Key Benefits
- Superior adhesion to dense or hard-to-bond substrates—concrete, glass, metal, tile & brick
- Enhances strength & flexibility, reducing cracking, shrinkage, dusting; improves frost resistance
- Improved water and salt resistance, supports durable external use and tanking systems
- Non re-emulsifiable—perfect for damp zones, waterproof renders, screeds, and concrete repairs
- Contains antifoam & antioxidant additives to enhance mix stability and longevity
- Boosts carbonation protection, safeguarding embedded steel in repairs; increases abrasion resistance
Product Details
- Form: Milky-white liquid, S.G. approx. 1.01, pH 9–11
- Solids Content: Around 47% polymer
- Pack Size: 5 kg tub (also available in larger quantities)
- Non-combustible & eco-friendly – water-based with no fire hazard
Typical Uses & Mix Ratios
Primer Coat
- SBR Bonding Agent: 1 part
- Water: 5 parts
Apply the primer to porous backgrounds. Render can be applied to either wet or dry primer.
Sealer Coat
- SBR Bonding Agent: 1 part
- Water: 3 parts
Apply to the rear and edges of timber before fitting and tiling to reduce moisture ingress. Do not prime the face to be tiled.
Bonding Coat (Slurry)
- SBR Bonding Agent: 1 part
- Water: 1 part
- OPC (Ordinary Portland Cement): 1½ parts
Apply the bonding coat while still tacky, before applying renders or screeds.
Safety & Handling
- Not classified hazardous, but avoid eye/skin contact; wear gloves, goggles, and suitable clothing
- Can cause mild skin/eye irritation – rinse thoroughly and seek medical advice if necessary
- Non-flammable, store between +5 °C and +35 °C, protect from frost and direct sun
- Eco-aware disposal: Avoid drain contamination; dispose per regulations
Ideal For
- Bonding renders or screeds onto dense, non-porous surfaces
- Durable external renders, floor toppings, screeds
- Concrete repairs (steel protection, carbonation resistance)
- Waterproof/weak substrates—tanking, damp areas, tanking systems
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy