Mapei Planicrete SP

Name: Mapei Planicrete SP
Brand: Mapei
SKU: MAPEPLANI/25
Price: 144.73 AUD
Availability: InStock

A white SBR latex admixture for cement screeds, renders, and bonding slurries. EN 1542 adhesion exceeds 2.0 MPa after 28 days in the reference mortar, tested.

Vendor: Mapei

SKU: MAPEPLANI/25

Availability: Out Of Stock

$144.73; $144.73
Unit price: per

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Description

Mapei Planicrete SP is a white, fluid SBR latex admixture for cement-based screeds, renders, thin smoothing layers and highly adhesive cement bonding slurries. Use it where the mix needs better adhesion, plasticity, thixotropy, water retention and workability.

What it does

Added to cement and aggregate mixes, Planicrete improves adhesion to the substrate and, after setting and hardening, increases compressive and flexural strength, abrasion resistance, impermeability and resistance to freeze-thaw cycles.

Numbers that matter

Application temperature: +5°C to +40°C. Do not use Planicrete-modified mixes outside this ambient range.
Bonded screeds: 10 to 35 mm. Use aggregate no larger than 1/3–1/4 of the screed thickness, with an 8 mm maximum.
Floating screeds: over 35 mm. The recommended dilution is 1:4 Planicrete to water, with at least two weeks curing under normal temperature and humidity.
Compressive strength to EN 12190: 7 MPa after 1 day, 25 MPa after 7 days and 33 MPa after 28 days for the TDS reference mortar.
Adhesion to EN 1542: more than 2.0 MPa after 28 days at +21°C and 50% U.R. for the TDS reference mortar.

Prepare and mix

Use a solid, compact and clean substrate. Remove loose material, dust, concrete crusts, oil, form-release agents and paint.
Thoroughly wet the substrate, but leave no excess water on the surface.
Dilute Planicrete with water at the ratio specified for the application, then add cement and aggregates. Mix for 2–3 minutes until smooth and even.
For bonded screeds, apply a Planicrete and cement slurry first, then place the screed fresh-on-fresh before the slurry dries.

Limitations

Do not use Planicrete neat as a primer or slurry. Always mix it with Portland cement or, where specified, Mapecem or Topcem.
Do not mix for more than 3 minutes in a concrete mixer, to avoid excessive air entrainment.
In warm or windy conditions, protect the surface from rapid drying and cure carefully to reduce plastic-shrinkage cracking.
Reduce the Planicrete-to-water dilution when aggregates are damp or wet.
Resistance to solvents and oils is rated mediocre; resistance to acids and alkalis is rated fair.

Common Questions

What is Planicrete SP?
It is an SBR latex additive for improving compatible cement mortars, screeds, renders and bonding slurries.

Can it be used neat as a primer?
No. MAPEI requires it to be combined with the specified cement or binder.

What application temperature range is used?
5°C to 40°C.

Can it be used in bonded screeds?
Yes, as part of the specified bonding slurry and screed system.

Uses & Benefits

SBR latex additive for high-performance cement mortars, screeds, renders and bonding slurries. Improves adhesion, plasticity, water retention and workability of compatible cement mixes. After cure it improves mechanical strength, abrasion resistance, impermeability and freeze-thaw resistance. Suitable for bonded and floating screed systems and cementitious repair mixes. Application temperature range is 5°C to 40°C.

How To Apply

Prepare the mineral substrate so it is sound, clean and free from loose material and contamination. Pre-wet absorbent surfaces where the MAPEI system requires it and remove standing water. Dilute Planicrete SP with clean water to the ratio specified for the mortar, screed or render. Add the cement and aggregate and mix for about 2–3 minutes until uniform. For bonded screeds, apply the specified Planicrete and cement slurry and place the screed wet-on-wet before the slurry dries.

Limitations and Safety Info

Do not use Planicrete SP neat as a primer or bonding slurry. Always combine it with the cement or binder specified for the application. Do not mix excessively and entrain unnecessary air. Adjust dilution where aggregates already contain significant moisture. Protect modified cement mixes from rapid drying in hot, dry or windy conditions.

Suitable Substrates

Concrete and cementitious substrates.
Cement screeds and renders.
Compatible masonry repair substrates.
Bonding interfaces for MAPEI cementitious mortar systems.

Mapei Planicrete SP Physical Properties
Property	Value
Product Type	Synthetic-rubber SBR latex admixture
Consistency	Fluid liquid
Density	1.02 g/cm³
pH	9-11
Solid Content	36%
Application Temperature	+5°C to +40°C
Service Temperature	-30°C to +90°C
Storage Conditions	24 months in unopened original packaging; protect from frost
Pack Sizes	25 kg, 10 kg and 5 kg tanks; 12 × 1 kg packages
Bonded Screed Thickness	10–35 mm
Floating Screed Thickness	>35 mm
Bonded Screed Consumption	40–50 g/m²/mm of thickness
Floating Screed Consumption	30–40 g/m²/mm of thickness
Render Consumption	60–70 g/m²/mm of thickness
Bonding Slurry Consumption	300–310 g/m²/mm of thickness
Bonding Slurry Mix	1 kg Planicrete : 1 kg water : 4 kg cement
Render Mix	1 kg Planicrete : 4 kg water : 5.5 kg cement : 20 kg aggregate (0–3 mm)
Filler Mortar Mix	1 kg Planicrete : 2.5 kg water : 8 kg cement : 16–24 kg aggregate (0–3 mm)
Mixing Time	2–3 minutes; do not mix for more than 3 minutes in a concrete mixer
Floating Screed Cure Time	At least two weeks under normal temperature and humidity
Compressive Strength	7 MPa after 1 day; 25 MPa after 7 days; 33 MPa after 28 days
Bond Strength	>2.0 MPa after 28 days at +21°C and 50% U.R.
Resistance to Damp	Excellent
UV Resistance	Excellent
Chemical Resistance	Mediocre
Resistance to Acids and Alkalis	Fair
Specific Gravity	Approx 1.01g/ml

Masonry

Durable Wall Render Adhesion

Applying cement renders to brickwork or blockwork, whether internal or external, for improved durability and weather resistance.

Boosts render adhesion, water resistance, and impact performance, ensuring long-lasting finishes on vertical surfaces.

Render compressive strength ~10 MPa
Render flexural strength ~5 MPa
Apply 10mm render thickness
AS 3958 for renders

Civil Construction

Concrete Repair Bonding Slurry

Preparing existing concrete or masonry surfaces for subsequent application of new screeds, renders, or repair mortars.

Creates a high-strength bonding slurry, significantly improving shear and tensile bond for seamless and durable repairs or overlays.

Slurry coat compressive strength ~25 MPa
Slurry coat flexural strength ~7 MPa
Max 2mm slurry coat application
3:2 cement:Abacrete slurry mix

Masonry

Strong Wall Render Finish

Applying internal or external renders to brickwork, blockwork, or existing substrates needing improved durability.

It fortifies renders against cracking and spalling by boosting bond strength and accommodating movement across various wall types.

10 MPa compressive strength (28 days)
10mm recommended render thickness
up to 13mm thick per AS 3958
bonds to brickwork

Flooring

Flexible Floor Screed Installation

When installing new sand/cement floor screeds over concrete or heated slabs requiring enhanced durability and movement.

Greatly improves screed bond strength, water resistance, and accommodates thermal movement, reducing cracking and delamination issues.

Underfloor heating compatible
Screed compressive strength ~15 MPa
Screed flexural strength ~5 MPa
Min 15mm screed thickness

Waterproofing

Wet Area Screed Protection

Creating robust, water-resistant screeds for wet areas like bathrooms, over waterproofing membranes.

The polymer additive enhances water resistance and adhesion for screeds, protecting against moisture ingress and maintaining integrity in damp conditions.

suitable for wet areas
1:60 shower recess falls
applies over waterproofing membranes
2mm maximum slurry coat

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What it does

Numbers that matter

Prepare and mix

Limitations