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Description
VURA SBR+
VURA SBR+ is modified styrene butadiene rubber white milky liquid which is high quality latex for multipurpose use. It is specially designed for use as a bonding aid, waterproofing coating and repair of existing structures (used for bonding, repair concrete rendering). It is ideal to apply internal and external applications after mixing with cement. VURA SBR+ is a high quality emulsion that increases the quality of cement mortar / slurry / concrete / cementitious grout.
Features
- Compatible with all kinds of cement.
- Improved strength characteristics of cementitious system allowing thin layer applications.
- Single component, gauged as required.
- Highly waterproof cementitious composite, screeds, plasters and slurries.
- Excellent bonding to concrete.
- Gives weather resistant mortar with improved durability, impermeability to chlorides and other harmful agents.
- Improved tensile and flexural strength of cement layers/ mortars.
- Resilient and yet tough hardened cementitious film or mortar.
- It is resistant to hydrolysis and can therefore be used for external applications
Usage Guide
SURFACE PREPARATION
The surface must be sound clean and free from oil, grease or other contaminants. Any loose materials, rust scale, dirt, laitance, etc shall be removed by suitable means and surface roughened by light scrabbling or grit blasting. For areas affected by corrosion, any exposed reinforcement shall be treated with suitable systems. The surfaces should be ideally in Surface Saturated Dry (SSD) before application
APPLICATION
WATERPROOFING COATING
Prepare slurry coat as indicated in the consumption table. During mixing, care should be taken to add cement into VURA SBR+ slowly to achieve required consistency and mix for 2-3 minutes to avoid any air entrapment. Apply the waterproofing slurry on the SSD surface with a brush. The second coat may be applied after 5 to 6 hours at right angles. Simple moist curing can be done after 10 hrs. For larger areas, glass fabric may be laid as a sandwich layer between the two coats. Protect the freshly laid surface from rain and heavy sun for 3-5 days so that rapid drying of coating is prevented by using wet gunny bags. Do not pond with water. The waterproofing coating should be protected with plaster / screed 12-15 mm thick with desired slope to prevent film from getting damaged during subsequent activities.
BONDING AID / COAT
Prepare bonding coat as indicated in the consumption table for bonding old to new concrete/ mortar, mix by volume and apply on the prepared substrate. Ensure to place the fresh repair mortar/ concrete while the bond coat is still tacky.
POLYMER MORTAR OR WATERPROOF PLASTER
Prepare the polymer mortar as indicated in the consumption table. Apply a thin layer of bonding coat as given above. Apply the mortar onto the surface in a layer of 20-30 mm thickness. This type of polymer mortar should be used for all repair jobs for optimum performance. Cured plaster with SBR would harden plaster and would be watertight. For highre thickness, apply in multiple layers at intervals of 12 hours.
MASONARY JOINTING
Prepare the jointing mortar as indicated in the consumption table. Apply a thin layer of bonding coat as given above. Apply the mortar onto the surface in a layer of 20–25 mm thickness and shape the adhesive soon after the placement of next level masonry.
CRACK FILLING
Open the crack lines to form a V groove of 8–10 mm. Prepare the crack filler as mentioned in the consumption table to make a putty by using marble dust (preferable) or pasty mortar with find sand. Apply a thin layer of bonding coat as given above and seal the cracks with prepared putty
POLYMER CONCRETE AND SCREED
VURA SBR+ can be mixed in proportion as mentioned in the consumption table. Make a polymer concrete or screed as per desired consistency required. Apply a thin layer of bonding coat as given above. Place the concrete or screed using suitable tools using standard industry practice
Description
VURA SBR+
VURA SBR+ is modified styrene butadiene rubber white milky liquid which is high quality latex for multipurpose use. It is specially designed for use as a bonding aid, waterproofing coating and repair of existing structures (used for bonding, repair concrete rendering). It is ideal to apply internal and external applications after mixing with cement. VURA SBR+ is a high quality emulsion that increases the quality of cement mortar / slurry / cementitious grout.
Features
- Compatible with all kinds of cement.
- Improved strength characteristics of cementitious system allowing thin layer applications.
- Single component, gauged as required.
- Highly waterproof cementitious composite, screeds, plasters and slurries.
- Excellent bonding to concrete.
- Gives weather resistant mortar with improved durability, impermeability to chlorides and other harmful agents.
- Improved tensile and flexural strength of cement layers/ mortars.
- Resilient and yet tough hardened cementitious film or mortar.
- It is resistant to hydrolysis and can therefore be used for external applications
Usage Guide
SURFACE PREPARATION
The surface must be sound clean and free from oil, grease or other contaminants. Any loose materials, rust scale, dirt, laitance, etc shall be removed by suitable means and surface roughened by light scrabbling or grit blasting. For areas affected by corrosion, any exposed reinforcement shall be treated with suitable systems. The surfaces should be ideally in Surface Saturated Dry (SSD) before application
APPLICATION
WATERPROOFING COATING
Prepare slurry coat as indicated in the consumption table. During mixing, care should be taken to add cement into VURA SBR+ slowly to achieve required consistency and mix for 2-3 minutes to avoid any air entrapment. Apply the waterproofing slurry on the SSD surface with a brush. The second coat may be applied after 5 to 6 hours at right angles. Simple moist curing can be done after 10 hrs. For larger areas, glass fabric may be laid as a sandwich layer between the two coats. Protect the freshly laid surface from rain and heavy sun for 3-5 days so that rapid drying of coating is prevented by using wet gunny bags. Do not pond with water. The waterproofing coating should be protected with plaster / screed 12-15 mm thick with desired slope to prevent film from getting damaged during subsequent activities.
BONDING AID / COAT
Prepare bonding coat as indicated in the consumption table for bonding old to new concrete/ mortar, mix by volume and apply on the prepared substrate. Ensure to place the fresh repair mortar/ concrete while the bond coat is still tacky.
POLYMER MORTAR OR WATERPROOF PLASTER
Prepare the polymer mortar as indicated in the consumption table. Apply a thin layer of bonding coat as given above. Apply the mortar onto the surface in a layer of 20-30 mm thickness. This type of polymer mortar should be used for all repair jobs for optimum performance. Cured plaster with SBR would harden plaster and would be watertight. For highre thickness, apply in multiple layers at intervals of 12 hours.
MASONARY JOINTING
Prepare the jointing mortar as indicated in the consumption table. Apply a thin layer of bonding coat as given above. Apply the mortar onto the surface in a layer of 20–25 mm thickness and shape the adhesive soon after the placement of next level masonry.
CRACK FILLING
Open the crack lines to form a V groove of 8–10 mm. Prepare the crack filler as mentioned in the consumption table to make a putty by using marble dust (preferable) or pasty mortar with find sand. Apply a thin layer of bonding coat as given above and seal the cracks with prepared putty
POLYMER CONCRETE AND SCREED
VURA SBR+ can be mixed in proportion as mentioned in the consumption table. Make a polymer concrete or screed as per desired consistency required. Apply a thin layer of bonding coat as given above. Place the concrete or screed using suitable tools using standard industry practice
