Fosroc Primer 24 - Technical Details and Specifications

Product Overview

Fosroc Primer 24 is a specialized primer product manufactured and supplied by Fosroc for preparing concrete surfaces before the application of various sealant products. It is specifically designed to address surface preparation challenges on difficult substrates.

Primary Applications

Fosroc Primer 24 is considered for use on excessively porous or friable surfaces prior to sealant application. The product serves as an optional preparation step to improve adhesion and performance of subsequent sealant coatings on substrates that may otherwise be problematic.

Specific Use Cases

Based on the available documentation, Fosroc Primer 24 is recommended for:

• Nitoseal MB180 application: When used on excessively porous or friable concrete surfaces, Fosroc Primer 24 should be considered before applying Nitoseal MB180 bituminous sealant
• Conseal CS231 application: The primer is used to prepare concrete joint surfaces before applying Conseal CS231 sealing gasket, helping to ensure proper adhesion and seal effectiveness

Product Specifications

Packaging and Supply

Fosroc Primer 24 is supplied in convenient bulk containers suitable for professional construction applications:

• 4 litre container (Product Code: FC020500-4L)
• 20 litre container (Product Code: FC020500-20L)

Key Features and Advantages

• Surface conditioning: Designed specifically for porous and friable substrates
• Improved adhesion: Enhances the bond between concrete surfaces and sealant products
• Flexible application: Can be applied to various substrate conditions
• Professional formulation: Manufactured to Fosroc standards for reliable performance

Application Instructions

When using Fosroc Primer 24 with Conseal CS231:

1. Surface preparation: Carefully brush off all loose dust and dirt from the substrate
2. Primer application: Apply Fosroc Primer 24 to the area where sealant will be fixed
3. Tack time: Allow the primer to become tacky (approximately 15 minutes)
4. Substrate bonding: Firmly press the sealant material onto the primed surface, applying moderate hand pressure with the heel of the hand
5. Verification: Check that the sealant is properly bonded to the primed strip

Storage and Shelf Life

While specific shelf life data is not detailed in the available technical documentation, Fosroc recommends consulting the Safety Data Sheet (SDS) and Technical Data Sheet (TDS) for complete storage requirements and shelf life information, as these specifications may be subject to change.

Documentation

Fosroc provides comprehensive technical support for Primer 24 through:

• Safety Data Sheet (SDS): Available from the Fosroc website, containing safety and handling information
• Technical Data Sheet (TDS): Provides detailed product information, usage instructions, and application guidance

Users are advised to review these documents carefully prior to application, as application and performance data may change over time.

Consultation

For specific technical advice regarding Primer 24 application, surface suitability, or challenging substrate conditions, consultation with Fosroc technical services is recommended.

References

• [1] Fosroc_Nitoseal_MB180_TDS.pdf
• [7] Conseal_CS231_TDS.pdf