Foster® 60-39 Monolar Mastic is a durable, solvent-based sealant offering exceptional adhesion and flexibility. This grey mastic is specifically formulated for industrial insulation applications, providing a tough and resistant seal against moisture and air infiltration. Its unique properties make it suitable for both indoor and outdoor use, ensuring long-lasting protection.

Specifications and Properties

• Color: Grey
• Type: Solvent-based mastic
• Packaging: 20 ltr. / 22 kg pail
• Brand: Foster®
• Product Code: 60-39
• Application Temperature Range: Between 40°F (4°C) and 110°F (43°C)
• Service Temperature Range: -20°F (-29°C) to 200°F (93°C)
• Dry Time: 24 to 48 hours depending on thickness, temperature, and humidity
• VOC Content: Compliant with current regulations
• Consistency: Trowel-applied
• Flexibility: Remains pliable after drying
• Adhesion: Excellent to most surfaces without a primer

Features and Application

• Weather-resistant: Offers a durable barrier against the elements.
• Versatile Adhesion: Bonds well to a variety of substrates including metals, masonry, and insulation materials.
• Ease of Use: Can be easily applied by trowel or spatula due to its smooth consistency.

Application

• Designed for sealing joints and seams in industrial insulation systems.
• Ideal for use on outdoor insulation claddings to prevent water and air ingress.
• Suitable for repairing cracks and gaps in masonry or metal surfaces where a flexible, waterproof seal is required.
• Can be used in both new construction and maintenance applications in commercial or industrial settings.