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Planicrete SP: A Product Overview
Planicrete SP is a synthetic rubber latex additive designed to upgrade standard cement mortars into high-performance systems with serious bonding strength and durability. When mixed with Portland cement and aggregates, it delivers predictable performance under real site stress—vibration, temperature swings, water exposure, and ageing.
You’re not just mixing mortar—you’re building a system that holds. With proven resistance to shocks, freeze-thaw cycles, and water absorption, it cuts the risk of delamination and rework. That means first-time-right installs, stronger finishes, and fewer call-backs on demanding jobs.
Key Features of Planicrete SP
- Synthetic rubber latex system: boosts adhesion and flexibility—mortars grip tight and resist cracking under movement.
- Water and freeze-thaw resistance: performs in exterior conditions—no breakdown when exposed to weather cycles.
- High mechanical strength: handles impact and vibration—ideal for traffic areas and demanding substrates.
- Versatile mix compatibility: works with cement and aggregates—adapt mix design to suit screeds, renders, or adhesives.
- Extended durability: resists ageing and diluted chemicals—longer service life, fewer repairs.
The Planicrete SP Advantage
- Eliminate debonding risk: strong adhesion keeps screeds and tiles locked in—no costly callbacks.
- Work across multiple applications: one additive for screeds, renders, and tile fixing—streamlines your system.
- Handle harsh conditions: built for temperature swings and moisture—predictable performance on site.
- Control mix performance: adjust ratios to suit job needs—better workability without compromising strength.
Adheseal tips for using Planicrete SP
Scenario: Applying over dry slurry bond coat
Potential Outcome: Loss of adhesion and delamination between layers.
Adheseal Best Practice: Always apply mortar while slurry coat is still wet. This creates a mechanical bond you can trust—no rework.
Scenario: Poor substrate preparation
Potential Outcome: Weak bond due to dust, laitance, or contaminants.
Adheseal Best Practice: Mechanically clean and roughen surfaces. A clean substrate gives full contact and predictable performance.
Applications in Practice: Trade Scenarios
For Tilers (On-Site Applicator): High-Bond Tile Installation
The Professional's Challenge
Standard mortar lacks adhesion on dense substrates, leading to tile failure under load or moisture exposure.
The Adheseal Solution
Use Planicrete SP-modified mortar to increase bond strength and flexibility. Apply with correct trowel and back-butter tiles for full coverage. Success means tiles stay fixed—even under heavy use.
Best Practice Note
Check open time (10–15 minutes). Re-trowel if skin forms—keeps adhesion consistent and avoids failures.
For Builders (Business Owner): Screed Reliability
The Professional's Challenge
Screeds cracking or debonding lead to delays, rework, and margin loss.
The Adheseal Solution
Incorporate Planicrete SP into screed mixes for improved cohesion and bonding. Apply over wet slurry coat for maximum adhesion. Success means stable floors and fewer warranty issues.
Best Practice Note
Allow full curing (28 days or 1 week per cm thickness) before tiling—protects long-term performance.
Frequently Asked Questions
How do you use Planicrete SP in mortar mixes?
Planicrete SP is mixed with cement and aggregates to create high-performance mortar. Replace part or all of the mixing water depending on the application. Proper mixing delivers stronger adhesion and reduces failure risk.
Can Planicrete SP be used as a waterproofing membrane?
No, Planicrete SP is not a waterproofing membrane. It improves mortar performance but must be used within a system. For waterproofing, a dedicated membrane is required.
What is the open time for Planicrete SP tile adhesive mixes?
Open time is typically 10–15 minutes under normal conditions. Hot or windy environments reduce this, so monitor and re-trowel if needed to maintain adhesion.
Uses & Benefits
| Application / Use Case | Key Benefit | Primary Trades |
|---|---|---|
| Floor screeds & levelling compounds | High bond strength and durability—reduces cracking and debonding | Builders, Flooring Contractors |
| Cement renders & wall plaster | Improved adhesion and resistance to impact and weathering | Plasterers, Builders |
| Tile adhesive mortar | Enhanced grip and flexibility—secure tile installation | Tilers |
| Bonding new to existing concrete | Creates strong mechanical bond—prevents layer separation | Concrete Repair, Builders |
| Thin layer mortar modification | Improves workability and performance without sacrificing strength | All Trades |
Application Guide
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1. Surface Preparation
Ensure all substrates are clean, sound, and properly prepared. Remove contaminants and roughen smooth surfaces to create a mechanical key.
Pro Tip: If it’s dusty or smooth, stop and fix it—adhesion failures start here. -
2. Mixing
Stir Planicrete SP thoroughly. Mix with cement and aggregates to required ratio. Add liquid first, then dry materials, and mix to a homogeneous consistency.
Pro Tip: Avoid over-mixing—trapped air weakens the final result. -
3. Bond Coat Application
Apply slurry bond coat onto substrate just before placing mortar or screed. Keep the slurry wet at all times during application.
Pro Tip: Never apply over dried slurry—this is the number one cause of debonding. -
4. Mortar / Screed Placement
Apply modified mortar or screed while bond coat is still wet. Compact and finish using appropriate tools to ensure full contact.
Pro Tip: Work into the substrate with pressure—this improves mechanical bonding and eliminates voids. -
5. Curing
Allow adequate curing time—typically 28 days or 1 week per cm thickness before tiling or further works.
Pro Tip: Rushing curing leads to shrinkage and failure—give it time for predictable performance.
Limitations & Safety
Product Limitations
Do not use as a waterproof membrane—this is an additive, not a barrier system.
Not suitable for flexible or moving substrates such as timber or board systems—movement can cause failure.
Do not apply over dried slurry bond coats—this will lead to debonding.
Application temperature must remain between +5°C and +35°C—outside this range performance is compromised.
Safety & Handling
Personal Protection
Wear gloves and eye protection during handling. Avoid prolonged skin contact.
Handling
Store in a frost-free environment. Protect from freezing during transport and storage.
First Aid
In case of contact with eyes or skin, rinse thoroughly with water. Seek medical advice if irritation persists.
Planicrete SP Substrates & Preparation
Concrete & Cementitious Substrates
Surface Preparation
Substrates must be structurally sound, cured (minimum 28 days), and free from dust, oil, grease, laitance, or contaminants. Mechanically grind or scarify smooth surfaces to create a mechanical key. Pre-wet for at least 24 hours, then allow to become surface dry before application.
Bond Coat Requirement
Slurry bond coat required
Apply a cement slurry modified with Planicrete SP immediately before placing mortar. Keep it wet during application—this is critical for achieving full bond strength.
Existing Screeds & Floor Toppings
Surface Preparation
Remove weak or loose material and mechanically clean the surface. Ensure all contaminants are removed to eliminate bond barriers. Roughen surface to improve adhesion.
Bond Coat Requirement
Slurry bond coat required
Apply Planicrete SP slurry immediately before screed placement. Do not allow slurry to dry—this ensures a monolithic bond between layers.
Walls (Render & Plaster Substrates)
Surface Preparation
Clean and roughen surface. Apply spatter-dash coat where required to improve mechanical bonding. Ensure substrate is stable and free of movement.
Bonding Method
Spatter-dash coat recommended
Apply modified spatter-dash coat and allow to dry before rendering. This improves grip and prevents slippage or detachment.
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