Mapei

Planitop Smooth & Repair R4 – Structural Repair Mortar

$24.95 AUD
$24.95 AUD
Shipping calculated at checkout.

Prices shown exclusive of GST.

Online stock available
Mapei Planitop Smooth & Repair R4 is a high-performance, structural, fibre-reinforced repair mortar designed for rapid concrete restoration and smoothing. This one-component, thixotropic, shrinkage-compensated mortar delivers outstanding mechanical strength, durability, and adhesion for vertical, horizontal, and overhead applications. Engineered for structural repairs and surface refinishing, Planitop Smooth & Repair R4 is suitable for use on concrete beams, columns, balconies, and precast panels. It’s resistant to carbonation and water ingress, safe for potable water environments, and certified to EN 1504-3 as an R4-class structural repair mortar.
Pack Size:
Calculating estimated delivery

H2O AI Product Support

Technical and product guidance for the item you’re viewing.
  • Structural R4-class, fibre-reinforced cementitious mortar
  • High compressive strength up to 50 MPa
  • Rapid setting and shrinkage-compensated
  • Excellent adhesion to concrete and reinforcement steel
  • Impermeable to water and resistant to carbonation
  • Suitable for vertical, horizontal, and overhead repairs
  • Certified for use with potable water (AS/NZS 4020:2018)
  • Very low VOC emissions (EMICODE EC1 Plus)
  • Type: Structural R4-class repair mortar (EN 1504-3)
  • Colour: grey
  • Application thickness: 3–40 mm per layer
  • Mixing ratio: 3.3–3.5 L of water per 20 kg bag
  • Pot life: approx. 15 minutes at +20°C
  • Set time: approx. 25 minutes
  • Density: 2000 kg/m³
  • Compressive strength: 7 MPa (3 hrs), 30 MPa (7 days), 50 MPa (28 days)
  • Flexural strength: 2 MPa (3 hrs), 7 MPa (28 days)
  • Adhesion to concrete: ≥2 MPa
  • Elastic modulus: 24 GPa
  • Capillary absorption: ≤0.5 kg/m²·h0.5
  • Reaction to fire: Euroclass A1
  • Packaging: 5 kg and 20 kg bags
Technical Data Sheet Safety Data Sheet

Need Technical Advice?

Not sure if this product is suitable for your project?

Our technical team provides independent advice on product selection, compatibility and waterproofing systems.

Independent product advice backed by real-world waterproofing experience.

Contact Technical Support
(07) 3667 9878

Monday–Friday
7:00 am – 3:00 pm AEST

Warehouse Stocked
Fast Australia-wide Delivery
Expert Technical Advice
Secure Checkout

Frequently Purchased Together

These popular picks are often added by trade professionals to complete their project kits.