Dulux Multi Purpose Crackfiller Overview
Dulux Multi Purpose Crackfiller, 500g, is a cement‑based powder filler designed for versatile repair jobs. It mixes easily into a stiff paste, adheres strongly to multiple substrates, and resists shrinkage or cracking. Suitable for both interior and exterior use, it ensures durable, weather‑resistant results across a wide range of surfaces.
Dulux Multi Purpose Crackfiller Benefits and Features
- Interior and exterior use: Tough enough for outdoor repairs, smooth enough for indoor finishes.
- Weather‑resistant: Long‑lasting fill that withstands environmental conditions.
- Shrink‑resistant: Maintains integrity without cracking.
- Strong adhesion: Bonds securely to cement, plaster, brick, mortar, fibre cement, and gypsum.
- Easy to use: Mixes into a smooth paste for effortless application.
- Fills up to 5mm: Suitable for common repair depths.

Steps to Follow for Using the Dulux Multi Purpose Crackfiller
Preparation
- Ensure surfaces are clean, dry, and free from dust, oil, or loose material.
- Widen narrow cracks into a “V” shape for better adhesion.
How to Apply the Dulux Multi Purpose Crackfiller
- Mix 2 parts powder with 1 part water to form a stiff paste.
- Apply with a scraper or trowel, pressing firmly into cracks.
- For deeper cavities over 5mm, apply in layers, allowing each to harden before the next.
- Slightly overfill and smooth with a wet scraper before setting.
Cleanup
- Wash tools with warm, soapy water immediately after use.
- Store product in a cool, dry place.
A Few Scenarios Where the Product Can Be Used
- Exterior wall repairs
- Interior plaster crack filling
- Brick and mortar gap repairs
- Fibre cement patching
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Health and Safety
Contains cement‑based compounds; may cause skin, eye, and respiratory irritation. Always wear gloves, protective eyewear, and a dust mask when mixing or sanding. Ensure good ventilation during application. Keep out of reach of children. Dispose of residues responsibly. Not suitable for metal surfaces or softwood filling.
Want to know more about this product? Click here to view the TDS of the product.
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 – Dulux Multi Purpose Crackfiller | Interior And Exterior, 500g
- What surfaces can it be used on?
Cement, masonry, plaster, brick, mortar, fibre cement, gypsum plaster, and some wood. - How thick can it fill?
Up to 5mm in depth. - Is it suitable for exterior use?
Yes, it sets to a hard, weather‑resistant finish. - Does it resist shrinkage?
Yes, it’s shrink‑resistant for durable repairs. - How do I mix it?
Combine 2 parts powder with 1 part water to form a stiff paste. - How long does it take to dry?
Approximately 6 hours at 23°C, longer in cold or humid conditions. - Can it be used on metal?
No, it’s not suitable for metal surfaces. - How do I clean tools?
Wash with warm, soapy water after use.
Out of Stock?
Feel free to contact us via the WhatsApp widget on this page, or send us an email at online@habitatpotch.co.za. We’ll gladly assist with availability, alternatives, or bulk orders.






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