The Larsen 12000 Plaster-Weld 1-Gallon Bonding Agent is the professional’s choice for creating a strong, permanent bond between new plaster and existing surfaces. This ready-to-use, red-colored bonding agent is specially formulated to adhere new plaster, cement, or gypsum-based materials to concrete, brick, tile, or other structurally sound surfaces.
Its distinctive pink/red color ensures easy visibility during application, guaranteeing full coverage before plastering. Once dry, it forms a high-strength film that enhances adhesion, reduces cracking, and improves the durability of the plaster finish. Perfect for both residential and commercial projects.
Features:
- Size: 1 gallon (3.78 L)
- Color: Red for easy coverage visibility
- Creates strong bond between new plaster and existing surfaces
- Suitable for concrete, brick, tile, and other materials
- Ready to use — no mixing required
- Reduces cracking and delamination
- Ideal for interior or exterior applications
- Trusted by professionals for reliable performance





















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