TILERS PRIMER - SBR ISSUE DATE: TP – 2 / 0319 BONDING AGENT FOR DIFFICULT SURFACES WATER RESISTANT SURFACE SEALER PRIMER FOR POROUS SUBSTRATES ... PRIMER the first as a 1 to 1 part water dilution and the second applied neat with each being … BAL Bond SBR is a multi-purpose bonding and priming agent for both walls and floors. SBR is essential to your work when using certain stone products. For small quantities a slow speed forget the PVA, completely ,use SBR as per the makers instructions, and use tile primers where recommended by adhesive maker recommendations and in the correct dilutions … BAL Bond SBR is suitable for dry or wet applications, and interior and exterior locations. After dry mixing, a premixed 2 wt% CMC (Sunrose, Nippon paper industries) solution was added together with water to adjust the desired dilution of 2.5 wt% in the formulation. uses as an admixture, primer, bonding agent and seal-er. Do not use neat SBR as a bonding grout, without adding cement. Priming a surface before you level or tile it will improve the physical properties of mortars. You'll notice improvements in your mortar's adhesion, durability, flexibility, waterproofing and workability. Coverage: Personally I'd roll SBR/water over it, around 1:4 it's the "new PVA" It does everything better than PVA IME. I know Wickes sell it in 1lt size - not sure … You can use any brand of SBR Primer, follow instructions on container as this has numerous uses and dilution rates vary for each application Most places only have SBR in 5ltr which will be way too much. 7 litres of SBR per 25kg bag of cement to give a totally waterproof render. Yes, you've understood the instructions correctly. Mixing: Add the SBR undiluted to the mix and then adjust the consistency with clean water. Render over it when wet as it'll help the render stick to the wall. Plasterboard. Free fall mixers are not suitable for SBR mortars; the higher performance forced action paddle type mixers are recommended for more efficient and speedier mixing of the mortars. The mixing was continued for 30 min at 1130 rpm. Remember to always seek further advice/guidance from board manufacturers. The binder SBR (Zeon) was stirred in at the end for 10 min at a low speed of 200 rpm. Why you should Use SBR on Patios and Paving. Generally, 5 litres of SBR per 25kg bag of cement in an external render for an area of normal exposure. Mix as per Table. SBR is a versatile product and it would be practically impossible to provide a comprehensive list of all its potential uses in the paving trade, but here are some of those more commonly encountered: As a strengthening agent for concrete surfaces May be applied directly with a brush as a primer, sealer or dust-proofer • Priming the top, back face and edges of plywood: Apply undiluted SBR UNIVERSAL BONDING AGENT • For priming porous concrete and cement: sand screeds dilute 1 part SBR UNIVERSAL BONDNIG AGENT with 4 parts of water by volume Polymer emulsions of this type have been used ex-tensively over the last 20 years by the building in-dustry as an admixture for cement and concrete ap-plications, including repair and renovation, surfacing of floors … Assuming its a chimeny brest that's a couple of meters wide and 2.5 to 3m high, you should have plenty of time to render it in 15 mins. The amount of SBR required will depend on the bond strength needed. 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