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Fosroc Renderoc LA60 | Free Flowing Low Alkali Micro Concrete

Fosroc Renderoc LA60

2211800
FOS8015

Fosroc Renderoc LA60 is a high performance, free flowing, low alkali micro concrete specifically developed for the repair of large areas of concrete where access is restricted or where reinforcement is congested.

  • Suitable for repair methods 3.2, 4.4, 7.1, 7.2 as defined by BS EN 1504-3 and conforms to the requirements of the Highways England Specification for Highways Works and EN1504-3 Structural and Nonstructural concrete Class R4
  • For the reinstatement of reinforced concrete where low permeability characteristics are required and where high compressive strength is a consideration
  • Suitable for use where excellent chloride and carbon dioxide resistance is required or for repairs to concrete affected by alkali-silica reaction (ASR)

This product is formulated for use on highways projects and for deeper repairs. For the standard version see Fosroc Renderoc LA or Fosroc Renderoc LA55

Size
£82.98(incl. VAT)
£69.15(ex. VAT)
Quantity
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Available for Delivery (See Delivery Options Below)

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Description

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Features & Benefits


  • Based on selected hydraulic cements, graded aggregates and additives which impart controlled expansion in both the plastic and hardened states while minimizing water demand
  • Requires only the addition of clean water on site
  • Chloride free, alkaline in nature and will protect embedded steel reinforcement
  • Maximum compatibility with concrete of compressive strength 30 - 60 N/mm²
  • Dual expansion system compensates for shrinkage in the plastic and hardened states
  • Low alkali content minimises risk of alkali-silica reaction
  • Suitable for placement by pumping or pouring techniques into restricted locations
  • Self-compacting nature eliminates honeycombing and displaces air without vibration
  • High strength and low permeability provide maximum protection against carbon dioxide and chlorides
  • Suitable for use with cathodic protection systems
  • Controlled heat of hydration minimizes risk of thermal cracking, even in thick sections
  • Maximum 3mm aggregate to improve application and finish

Uses

  • Formulated for use on highways projects
  • Designed for large volume repairs typically in excess of 25mm deep
  • Can typically be applied in thicknesses of up to 300mm whilst minimizing risk of thermal cracking
  • Conforms to the requirements of Highways England, Specification for Highway Works Series 1700: Structural Concrete 1770AR Repair Concrete - Class 29F Flowable Concrete and EN1504-3 Structural and Nonstructural Repairs Class R4
  • Conforms to the requirements of the UK Highways Agency Design Manual for Roads and Bridges (BD27/86, Clause 4) ‘Materials for the Repair of Concrete Highway Structures’ and has been formulated to comply with the requirements of the Specification for Highway Works, Clause 1704.5 Control of Alkali-Silica Reaction



Application Notes


  • Priming of the steel reinforcement is not normally necessary unless it is to remain exposed in an environment likely to cause corrosion after preparation. When required apply one full coat of Nitoprime Zincrich Plus and allow to dry before continuing
  • Two hours minimum prior to placing, the prepared concrete substrates should be saturated by filling the prepared formwork with clean water. In exceptional circumstances, e.g. where a substrate/repair barrier is required, Nitobond EP bonding aid should be used to prime the substrate
  • A forced-action mixer is essential. Mixing in a suitably sized drum using an approved MR3 mixing paddle with a slow speed (400/500 rpm) heavy-duty drill is acceptable
  • Pour the mixed material into the prepared formwork in a continuous fashion, ensuring any trapped air at the top of the formwork is released
  • Can alternatively be pumped in place using a mortar pump plastering machine (must be capable of handling 3mm aggregate)
  • In cold conditions down to 3°C, the use of warm mixing water (up to 30°C) is advisable to accelerate strength development. At ambient temperatures above 35°C, the material should be stored in the shade and cool water used for mixing
  • In common with all cementitious materials, Renderoc LA60 must be cured immediately after the formwork is stripped in accordance with good concrete practice
  • Immediately after striking the formwork, all exposed faces of the repair should be thoroughly soaked with clean water and then sprayed with a liquid curing membrane such as Concure WB, Nitobond AR or Fosroc Cure B
  • If the repair is to be overcoated, use Nitobond AR to cure the repair
  • Dekguard products may be applied over the repair area without prior removal of the Nitobond AR curing membrane. All traces of form-release oils and curing membranes (other than Nitobond AR) must be removed prior to the application of Dekguard products
  • Should be removed from tools, equipment and mixers with clean water immediately after use. Cured material can only be removed mechanically.
  • Yield: Approx. 13 litres / 25 kg bag



Limitations


  • Should not be used when the temperature is below 3°C and falling
  • Free-fall mixers must not be used. Mixing of part bags should never be attempted
  • The product should not be used to reinstate horizontal areas where the surface would remain unrestrained during cure
  • Should not be exposed to moving water during application
  • As with other ‘one pack’ repair mortars, Renderoc LA60 may exhibit satisfactory handling characteristics even though inadequately mixed. This will result in a significantly lower level of performance or possible failure. It is therefore essential that mixing instructions are strictly adhered to with particular emphasis on the quantity of water used and the time of the mixing operation



Product Details
8015-913912

Data sheet

Manufacturer
Fosroc
For Use By
Professional Use
For Use On
Concrete
Coverage
Approx. 13.0 litres / 25 kg bag
Recommended Thinner/Cleaner
Water
Compressive Strength (at 20°C)
60 MPa @ 28 days
Min. Application Temperature
3°C
Drying time
Set time: typically 6 hours
Working Time
Typically 60 minutes
Suitable For Use On
Concrete
Application Method
Pump
Manufacturer
Fosroc
Usages
Cementitious Repair Systems
Product Usage Type
Micro-Concrete
Product Range
Renderoc
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

Fosroc Renderoc LA60 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


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