Mastics, Sealants & Coatings – Protective Finishes for Insulation System Integrity
Our Mastics, Sealants & Coatings Collection includes a wide range of fluid-applied products designed to protect, seal, and enhance the performance of thermal insulation systems. These materials are essential for maintaining vapor barriers, resisting moisture ingress, and ensuring long-term durability across HVAC, plumbing, and industrial applications.
Product Overview
This collection features industry-trusted brands such as Foster®, Kaimann, and Rockwool, offering solutions for both internal and external insulation systems:
- Mastics
- Foster® 60-39 Monolar Mastic: Weatherproof coating for exterior insulation surfaces
- Foster® 90-66 Adhesive Coating: Combines bonding and sealing for lagging applications
- Kaifix ECplus Butt Joint Sealants: Self-adhesive joint covers for Kaiflex insulation
- Sealants
- Foster® 95-44 Elastolar Sealant: Flexible, moisture-resistant sealant for pipework and duct joints
- Rockwool Fire Rated Silicone Sealant: For fire-rated enclosures and service penetrations
- Mulcol Multisealant GR/A: Intumescent sealants for passive fire protection
- Coatings
- Foster® 30-36 Sealfas: Vapor-retardant encapsulant for insulation and hazardous materials
- Vi-Cryl® CP-10/CP-11: Protective coatings for fiberglass and mineral wool
- Chil-Perm® CP-30/CP-34: Vapor barrier coatings for rigid insulation systems
Applications
- Sealing insulation joints, terminations, and penetrations
- Protecting insulation from moisture, UV, and mechanical damage
- Enhancing vapor barrier continuity in HVAC and industrial systems
- Encapsulating hazardous materials and supporting fire-rated assemblies
- Supporting compliance with EN 13501-1, ASTM E84, and IMO standards
Performance Benefits
- Maintains system integrity and thermal performance
- Resists water, oil, chemicals, and temperature extremes
- Supports fire safety and vapor control
- Compatible with mineral wool, fiberglass, elastomeric, and rigid foam insulation
- Available in brush, spray, and trowel-grade formulations