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Trubuild

Overview Usage Product Specifications Handling Precautions
TRUBUILD CFP 425

TRUBUILD CFP-425 is composed of high-quality weather durable acrylic emulsion polymer, properly selected graded fillers, light fast pigment& additives. It is a single pack, ready to use flexible putty for filling the cracks in plastered surfaces because it has excellent bonding, ease of application, water resistance, aesthetic appearance & durability.

Application
Applications
  • Press Trubuild CFP-425 firmly into the crack with a spatula or putty knifes and level with the surface. Internal & external plastered brick masonry wall cracks of up to 10 mm width.
Application
Advantages
  • Consistency - Paste form, without sagging
  • Ease of application- Easy to apply by putty knife similar to conventional putties
  • Flexibility - Flexible, therefore does not crack & accommodates minor movements in cracks
  • VOC - Water based with very low voc hence eco-friendly.
  • Application advantage - Can be applied on damp surfaces but not on cracks with running water.
  • Paint ability - Over coat able by any type of polymer-based paints, after 24 hours.
  • Bonding - Excellent adhesion with cementitious surface.
  • Durability – Excellent resistance to UV & atmospheric conditions.
How to use
How to use

Surface Preparation

 

  • Surface must be free from dust, oil, grease, and loose particles etc. Moisten the surface before applying Trubuild CFP-425. Fine hair line cracks must be widened up to 1 mm minimum by using scrapper and then filled
  • For filling Trubuild CFP-425 on the internal surface, existing POP or painter’s putty must be removed till plaster surface is exposed
  • For porous surfaces, apply primer coat prepared with Trubuild CFP-425 and water in 1:1 proportion over the crack. Fill Trubuild CFP-425 when the surface is tacky and not dried completely.
  • Press Trubuild CFP-425 firmly into the crack with a spatula or putty knifes and level with the surface. Care must be taken to avoid formation of cavities or bubbles during application. Allow it set for 24 hours and then apply another coat of Trubuild CFP-425.
  • Further POP or painter’s putty application can be taken up once it is fully dry
  • Not for application in cracks in structural members, expansion joints & separation gaps
  • Fine hair line cracks must be widened with ‘V” groove up to 1 mm minimum and Then fill.
  • Care must be taken to avoid formation of cavities or bubbles during application.
  • Allow it set for 24 hours and then apply another coat of Trubuild CFP-425

 

Technical Details
Properties Unit Results Method
Appearance Visual Smooth & Thick Paste ---
Consistency Visual Viscous Paste ---
Colour Visual White ---
Service Temperature °C 5-50 ---
Pot Life Minutes 15 ISO 13007-3-2010
Density g/cc 1.67 ASTM D 1475-2013
Tack Free Time Minutes 45 ASTM C 679-2015
Dry Shrinkage % 0.003 ASTM C 157-2017
Pull off Adhesion N/mm2 0.72 ASTM D 7234-2021
Water Absorption @ 15 min ml Nil Karsten Tube
Water Absorption @ 30 min ml Nil
Water Absorption @ 60 min ml Nil
Water Absorption @ 4 Hrs ml Nil
UV Exposure – 500 Hrs Visual No Colour Change ASTM G 154-2016

 

Coverage

 

  • 25-30 running meter/kg (for a depth of 5mm and width of 5 mm).
Usage Restriction
Restriction of usage
  • Should not be used for cracks more than 10 mm thick
  • Not for application in cracks in structural members, expansion joints & separation gaps.
  • For application below 10°C, drying time will be delayed
Shelf Life
Shelf Life

24 months from date of manufacturing in unopened containers.

Storage
Storage

Storage at cool & dry place, away from sun heat. For information and advice on the safe handling, storage and disposal of chemical Products, users shall refer to the most recent Material Safety Data Sheet containing, physical, ecological, and toxicological and other safety related data

Packing
  • Packing

    Bottle:
    500 gm & 1 kg

Application
Handling precautions

Precaution and Limitation

 

  • To fill the cracks up to 10 mm sizes in horizontal or vertical areas of buildings & structures.
  • Not for application in cracks in structural members, expansion joints & separation gaps.
  • Not for cracks in POP or painter’s putty
  • To level the undulation of the unplastered or plastered ceilings and walls before painting.
  • To provide smooth finish to brick, stone, and wood works.
  • For application below 10°C, drying time will be delayed.
  • Mixed with mineral wool, Unifiliar can be used for pipe lagging in awkward places
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