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Planitop Smooth and Repair R4

Planitop Smooth and Repair R4

Brand: Mapei

Regular price £34.21
(£41.05 Inc VAT)
Regular price £34.21 Sale price £34.21
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R4-class, rapid-setting, shrinkage-compensated, thixotropic, fibre-reinforced,cementitious mortar, applied in a single layer from 3 to 40 mm thick, for repairing and smoothing concrete. Available in a 25kg unit. Ideal for structural repairs and smoothing over internal and external horizontal and vertical read more

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DESCRIPTION

R4-class, rapid-setting, shrinkage-compensated, thixotropic, fibre-reinforced,
cementitious mortar, applied in a single layer from 3 to 40 mm thick, for repairing and smoothing concrete.

Available in a 25kg unit.

Ideal for structural repairs and smoothing over internal and external horizontal and vertical concrete surfaces; suitable for repairing structures exposed to the open air and in permanent contact with water.

Technical Description

Planitop Smooth & Repair R4 is a one-component, thixotropic mortar with very low emission of volatile organic compounds (EMICODE EC1 Plus) made from special, highly reactive hydraulic binders, fine selected aggregates, synthetic polyacrylonitrile fibres, synthetic polymers and special admixtures according to a formula developed in the MAPEI Research Laboratories.

After mixing, the product forms a mortar with good workability and with setting and hardening times that can be modulated by adding Mapetard ES. It is applied by trowel in a single layer from 3 to 40 mm thick to repair and smooth over concrete.

Planitop Smooth & Repair R4 hardens without shrinking and is characterised by its excellent adhesion to concrete substrates.

Once hardened, Planitop Smooth & Repair R4 has the following characteristics:
· excellent adhesion to both old concrete (≥ 2 MPa), if wetted beforehand with water, and to steel reinforcement, especially
when treated with Mapefer or Mapefer 1K anti-corrosion and re-alkalising cementitious mortar, certified EN 1504-7
“Corrosion protection of reinforcement”;
· high dimensional stability and, therefore, low risk of cracking and crazing during both the plastic phase and when
hardened;
· thermal compatibility to freeze/thaw cycles, measured as adhesion according to EN 1542;
· high resistance to carbonation;
· impermeable to water.

Application Examples

Rapid repair work on deteriorated concrete beams, pillars, buffer walls, cornices, edges of balconies and structural members and elements that require the use of mortar with high mechanical performance characteristics.
· Quickly smoothing over surface defects in cast concrete, such as deep gravel clusters, spacer holes, second pours, etc.
before painting the surface.
· Repairs and structural strengthening of concrete.
· Repairing precast concrete members and elements.
· Repairs to concrete damaged by rusty reinforcing bars due to carbonation.

Datasheet

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