Fixup®
KRACKFIX
is a high-performance, polymer-modified white cement-based crack filler powder
designed for interior and exterior applications. This easy-to-use, white powder
is specially formulated to repair cracks up to 3 mm and minor surface defects
in plaster, concrete, and masonry walls, providing a smooth, durable, and
paintable finish.
- Appearance - White Cementitious Powder
- Ideal for - Repairing cracks up to 3 mm and minor surface defects in plaster, concrete, and masonry walls
- Packing Size - 1 kg & 5 kg
Core Features
Excellent Adhesion to Multiple Substrates
Forms a strong and durable bond with concrete, cement plaster, brick, block, and masonry surfaces, ensuring long-lasting crack repairs without debonding.Protects Against Moisture Ingress
Creates a dense repair layer that helps prevent water penetration through cracks, protecting the substrate from dampness and further deterioration.Prevents Further Cracking and Shrinkage
Effectively fills cracks and minimizes shrinkage after curing, helping to prevent crack propagation and ensuring a stable, long-lasting repair.
User-Friendly Mixing and Application
Easy to mix with water and apply, making it suitable for both professionals and DIY users.
How to use
- Ensure the surface is clean, dry, and free from dust, grease, and loose materials.
- Gradually add the powder to the water and mix thoroughly until a smooth, lump-free paste forms. Avoid excessive water.
- Apply the paste using a putty knife or trowel, pressing it firmly into the cracks.
- Smooth out the surface with a damp sponge or trowel. Allow to dry completely before painting or further finishing.
- No water curing is required, but avoid exposure to direct water for 24 hours.
Technical Data Sheet Download
Frequently asked questions
Crack Filler Powder is a cement-based repair material designed to fill and repair cracks, holes, and surface imperfections in concrete, plaster, masonry, and brickwork.
It can be used on interior and exterior walls, ceilings, concrete surfaces, plaster, brickwork, and masonry.
It is ideal for repairing hairline cracks, minor surface cracks, small holes, and other non-structural surface defects.
Mix the powder with clean water as recommended, then apply it to the cleaned crack using a putty knife or trowel. Smooth the surface and allow it to dry.
Yes. Once the repaired area is completely dry and cured, it can be sanded if necessary and painted.
Yes. It is suitable for repairing cracks on both interior and exterior cement-based surfaces.
It helps prevent further crack development caused by normal shrinkage, but recurring structural or movement-related cracks should be investigated and repaired appropriately.
Drying time depends on the thickness of the application, temperature, and humidity; however, it is generally quick under normal conditions.
Yes. It helps reduce moisture penetration through repaired cracks, protecting the substrate from dampness.
No. Basic tools such as a mixing container, putty knife, or trowel are usually sufficient for application.