Concrete and Mortar 
Exterior Waterproofing 
Professional Sealants 
Roof Waterproofing 
Substructure Waterproofing 
Tiling and Grouting 
Water Tanks and Other Areas 
Wet Areas 
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| PROPERTIES | STANDARD | RESULTS |
|---|---|---|
| Appearance | Visual | Smooth & Thick Paste |
| Consistency | Visual | Viscous Paste |
| Colour | Visual | White |
| Service Temperature | 5 to 50 degree celcius | |
| Pot Life(min) | ISO 13007-3-2010 | 15 |
| Density(gm/cm3) | ASTM D 1475-2013 | 1.67 |
| Tack Free Time(min) | ASTM C 679-2015 | 45 |
| Dry Shrinkage(%) | ASTM C 157-2017 | 0.003 |
| Pull off Adhesion(N/mm2) | ASTM D 7234-2021 | 0.72 |
| Water Absorption @ 15 min | Karsten Tube | Nil |
| Water Absorption @ 30 min | Karsten Tube | Nil |
| Water Absorption @ 60 min | Karsten Tube | Nil |
| Water Absorption @ 4 hrs | Karsten Tube | Nil |
| UV Exposure – 500 hrs | ASTM G 154-2016 | No Colour Change |
- Internal & external plastered brick masonry, wall cracks of up to 5 mm width
FAQ
What is Trubuild Crack Filler CFP-425?
Trubuild Crack Filler CFP-425 is a ready-to-use acrylic paste for filling and repairing cracks, gaps or holes in interior and exterior concrete and masonry surfaces before painting.
What are the advantages of Trubuild Crack Filler CFP-425 paste?
Trubuild Crack Filler CFP-425 is an easy-to-apply, fast-drying paste that provides excellent adhesion, flexibility and durability. It requires no mixing, minimizes shrinkage, and can be painted over.
What types of cracks can be filled with Trubuild Crack Filler CFP-425?
Trubuild Crack Filler CFP-425 is ideal for repairing static, non-structural cracks of up to 5mm width in plaster, concrete, brickwork, and drywall surfaces. It is suitable for interior and exterior use.
How is Trubuild Crack Filler CFP-425 applied?
The paste is applied directly into the crack using a caulking gun or putty knife, pushing the material firmly to achieve a flush fill. Smooth the surface and remove any excess with a damp cloth.
What surface preparation is required before using Trubuild Crack Filler CFP-425?
Ensure the crack is clean, dry, and free from dust, loose particles, oil or grease. If needed, use a wire brush to remove any debris and widen the crack for better filling.
How long does Trubuild Crack Filler CFP-425 take to dry?
The crack filler becomes tack-free in about 30 minutes and completely dry in 24 hours, depending on the fill depth and ambient conditions. Allow proper drying time before painting.
Can Trubuild Crack Filler CFP-425 be sanded after drying?
Yes, once fully dry, Trubuild Crack Filler CFP-425 can be sanded using a fine-grit abrasive paper to achieve a smooth, level surface that blends evenly with the surrounding area before painting.
Is Trubuild Crack Filler CFP-425 paintable?
Yes, Trubuild Crack Filler CFP-425 is paintable with most water-based and solvent-based paints. Allow the filler to dry completely for at least 24 hours before applying the paint.
How does Trubuild Crack Filler CFP-425 resist cracking?
The flexible acrylic binder in Trubuild Crack Filler CFP-425 accommodates minor surface movements and temperature changes, reducing the chances of the filled area cracking again under normal conditions.
What is the coverage of Trubuild Crack Filler CFP-425?
The coverage varies depending on the crack size and depth. On average, a 500g cartridge of Trubuild Crack Filler CFP-425 can fill approximately 10 running meters of a 5mm x 5mm crack.
