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Sika Parex 751 Lankolatex | Bonding & Waterproofing For Renders

Sika Parex 751 Lankolatex

633437
SIK9654

Parex 751 Lankolatex is a white liquid admixture used for a range of key coat preparations, bonding and waterproofing coats and which significantly improves the performance of mortars and concrete.

  • Waterproofs renders and mortars and improves resistance to oils, grease, fuel and dilute acids
  • Lowers the modulus of elasticity and improves the resistance of mortar to tension, abrasion and impacts

Size
£319.78(incl. VAT)
£266.48(ex. VAT)
Quantity
Please choose your colour
Available for Delivery (See Delivery Options Below)

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Description

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Features & Benefits


  • Suitable for:
    • Key coat for hydraulic coatings, screed and low absorption substrates
    • Cement-based coatings
    • To control suction on high absorption substrates such as lightweight aircrete blocks
    • Waterproof coatings for tanking, reservoirs, holding tanks and swimming pools
    • Bonding and waterproofing of render and plaster coatings
    • Bonding cement screeds without the need for existing surface preparation
    • Enhances screed for laying tiles
    • Coating, re-profiling or re-shaping mortar for patching areas such as damaged corners of concrete
    • Bonding mortar for repairing concrete (bridging mortar for construction joints)
    • Mortar for fixing/bonding prefabricated elements
    • Pointing and filling mortar for voided masonry joints, chimney stacks or to form a mortar flashing
    • Repair of concrete floors
  • Excellent adhesion of renders, mortars and concrete, even on smooth substrates
  • Waterproofs renders and mortars and improves resistance to oils, grease, fuel and dilute acids
  • Passivation of steel rebars
  • Lowers the modulus of elasticity and improves the resistance of mortar to tension, abrasion and impacts
  • Allows for the construction of structures intended to be in contact (even permanently) with water or sea water (using the appropriate cement)
  • Limits shrinkage, crazing and chalking
  • Solid content: 50%



Application


Substrate Preparation

  • Substrates must be clean, sound, dust free and free of any material which may prevent adhesion
  • Remove traces of oil, laitance, curing compounds, paint, etc.

Key Coat

Ready-to-Use Renders

  • For general guidance add 0.5 litres of 751 Lankolatex to the mixing water volume for a 30kg bag of render or as advised for the specific coating
  • On wet or wet patchy substrates or where different materials have been used it is advisable to apply a key coat made up by adding 0.5 litres of 751 Lankolatex to the mixing volume for a 30kg bag of render. Allow the key coat to fully dry a minimum of 48 hours before the application of the next coat. This suggestion will assist against the effect of 'block ghosting' and shade variation
  • Allow to harden before applying the next coat

Traditional Coatings

  • Mix one part cement with one or two parts sand
  • Mix with the 751 Lankolatex as a diluted solution of 1:2 clean water, into a creamy consistency
  • Apply a firm key coat on to the dampened substrate and leave with a combed or stippled finish
  • Allow to harden before applying the base/body coat

Liquid Key Bonding Coats

Screed & Traditional Concrete

  • Mix one part cement with one or two parts sand
  • Mix with the 751 Lankolatex solution into a creamy consistency
  • Apply with a brush or broom on to the dampened substrate
  • Apply the concrete or screed on to this freshly applied liquid key coat

Ready-to-Use Mortars

  • 751 Lankolatex is used as a diluted solution of 1:3 clean water
  • 751 Lankolatex is used as a diluted solution of 2:3 clean water for creating a waterproof base coat

Passivation of Steel

  • Mix the repair mortar 730 Lankorep Fin or 731 Lankorep Structure into a creamy consistency with pure 751 Lankolatex
  • Apply on to steel that has been pre-prepared with a broom or paintbrush
  • Apply the repair mortar on to the preparation whilst it is still fresh

Waterproofing, Improving Performance of Concretes & Mortars

  • Use 751 Lankolatex solution instead of water.

Bonding & Waterproofing of Plasters

  • 751 Lankolatex is used as a diluted solution made up of 1/3 751 Lankolatex and 2/3 clean water.



Limitations


  • Shake well before use
  • Store product in frost-free conditions
  • If product is accidentally frozen, place at +20ºC and after several hours, shake well to ensure the products contents are evenly distributed and mixed
  • Doses must conform with regulations in force for the relevant structures



Product Details
9654-966334

Data sheet

Manufacturer
Sika
For Use On
Render
Concrete
Plaster
Mortar
Pack Size
20L
Coverage
Dependent on substrate and use. See Product Data Sheet
Density
1.01 at 20ºC
Shelf Life (from date of manufacture)
1 year
pH
9.5 ± 0.5
Suitable For Use On
Concrete
Suitable For Use On
Render
Suitable For Use On
Plaster
Suitable For Use On
Mortar
Manufacturer
Sika
Components
1K
Product Range
Parex
Attachments
Download


Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.

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IMPORTANT SHIPPING & DELIVERY INFORMATION

Sika Parex 751 Lankolatex is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.

Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.

Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.

All delivery costs below are excluding VAT