Polycell Polyfilla Crack Filler Ready Mixed 1.5 kg Overview
Polycell Polyfilla Crack Filler Ready Mixed is a premium emulsion‑bound filler paste engineered for tough, flexible repairs. Designed for both interior and exterior use, it adheres strongly to a wide range of substrates, resists shrinkage, and delivers a smooth, durable finish that withstands everyday movement and weather exposure.
Polycell Polyfilla Crack Filler Ready Mixed 1.5 kg Benefits and Features
- Ready‑mixed convenience: Saves time with no mixing required.
- Versatile substrate coverage: Repairs plaster, brick, stone, concrete, stucco, primed metal, and fibre‑cement.
- Flexible performance: Withstands up to 15% substrate movement without cracking.
- Weather resistant: Suitable for exterior applications when overcoated.
- Slump‑free application: Maintains form on vertical and overhead surfaces.
- Durable adhesion: Strong bond with abrasion resistance for long‑lasting repairs.
- Minimal shrinkage: Ensures stable, professional finishes.
- Fast drying: Touch‑dry in 1 hour; overcoat after 2 hours.

Steps to Follow for Applying the Polycell Polyfilla Crack Filler Ready Mixed 1.5 kg
Preparation
- Clean surfaces thoroughly; remove dust, grease, and contaminants.
- Ensure substrate is dry and firm before application.
- Open cracks to a “V” shape for better adhesion.
How to Apply the Polycell Polyfilla Crack Filler Ready Mixed 1.5 kg
- Mix thoroughly if separation is visible.
- Apply with a putty knife in layers from 1 mm to 10 mm thick.
- Smooth with a wet knife for best results.
- For thicker fills, apply in multiple stages.
- Allow thin layers to dry for 1 hour; thicker fills may require up to 24 hours.
Cleanup
- Wash tools with water immediately after use.
- If sanding is required, wet sand with 100‑grit waterproof paper.
- Dispose of residues responsibly.
A Few Scenarios Where the Product Can Be Used
- Filling cracks in plaster walls before painting.
- Repairing exterior masonry exposed to weather.
- Stopping gaps in wood floors and fascia boards.
- Replacing failed glazing putty around windows.
- Addressing adhesion‑challenged joins where conventional fillers fail.
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Health and Safety
Ensure good ventilation during application and drying. Avoid inhalation of dust and keep out of reach of children. In case of skin contact, wash with soap and water. If swallowed, seek medical attention immediately. Prevent eye contact; rinse thoroughly with water and consult a doctor if irritation persists. Protect repairs from water ingress during drying, and avoid permanent exposure to wet conditions.
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Shipping Info
Shipping & Delivery
We deliver nationwide across South Africa for a flat rate of R150. Terms and conditions apply.
Delivery times are normally 5–7 working days, but it might be quicker depending on your location
With fast and secure checkout, order today and enjoy reliable delivery to your door.
You will also be able to book your own courier at checkout.

FAQ
FAQs – Polycell Polyfilla Crack Filler | Ready Mixed, 1.5 kg
- What surfaces can Ready Mixed Crack Filler be used on?
Plaster, brick, stone, concrete, stucco, primed metal, and fibre‑cement. - Is it suitable for exterior repairs?
Yes, it’s weather resistant; for best durability, overcoat with paint systems. - How long does it take to dry?
Touch‑dry in 1 hour; thick fills up to 10 mm may require 24 hours. - When can I paint over it?
Overcoat after approximately 2 hours at 23 °C. - Does it shrink or crack after drying?
It dries with minimal shrinkage and remains flexible to handle normal movement. - Can I sand it after curing?
It’s best smoothed while wet; if sanding is needed, wet sand with 100‑grit waterproof paper. - Should I prime the repair?
Overcoat with emulsion or enamel paint systems for lasting protection. - Is it suitable for structural cracks?
No, it’s not intended for structural movement; use appropriate structural repair systems.
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