Fosroc® FC300744 - Renderoc® LA55 Plus - 20Kg

Features

Renderoc LA55 Plus is a high strength, fluid micro-concrete for large volume structural repairs at a nominal thickness up to 500 mm

Achieves 75 MPa @ 56 days

Maximum compatibility with concrete compressive strength, 30-75 MPa

Unique dual expansion system offers an extremely high level of control of plastic and long-term drying shrinkage

Low alkali content minimises risk of alkali-silica reaction

Excellent bond to concrete substrates without independent primer

Extremely low permeability provides excellent protection against carbon dioxide and chlorides

Enhanced durability Meets the requirements of durability to RMS B80 concrete specification

Sustainable product with low carbon foot print and reduced emissions of greenhouse gases

Exceptional flow allows pumping or pouring into restricted locations

Self-compacting nature eliminates honeycombing and displaces air without vibration

Pre-bagged to overcome site-batched variations - only the site addition of clean water is required

Contains no chloride admixtures

The highly fluid nature of Renderoc LA55 Plus obviates the need for compaction and vibration even where access to the repair zone is restricted or where reinforcement is congested

Renderoc LA55 Plus is alkaline in nature and will protect embedded steel

The fluid repair system (micro-concrete) shall be Renderoc LA55 Plus, a single-component, low-alkali cement and supplementary cementitious materials based blend of powders to which only the site-addition of clean water shall be permitted

The micro-concrete shall exhibit a 3 day compressive strength of 30MPa and a 28 day strength of 60MPa and drying shrinkage <200 microstains @ 7 days <300 microstains @ 28 days when tested to AS 1478.2 – 2005

Applications

Renderoc LA55 Plus is ideal for the reinstatement of large, structural sections of concrete as well as for many smaller locations where difficulties of access make hand or trowelapplied mortars impractical

It is suitable for use where excellent chloride and carbon dioxide resistance is required or for repairs to concrete affected by alkali-silica reaction (ASR)

Specifications

The fluid repair system (micro-concrete) shall be Renderoc LA55 Plus, a single-component, low-alkali cement and supplementary cementitious materials based blend of powders to which only the site-addition of clean water shall be permitted. The micro-concrete shall exhibit a 3 day compressive strength of 30MPa and a 28 day strength of 60MPa and drying shrinkage <200 microstains @ 7 days <300 microstains @ 28 days when tested to AS 1478.2 – 2005.

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