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Early Access Foster® 60-90 Monolar Mastic, White Smart Choice [vgSYalRI]

$63.99 $204.99 -69%

Foster® Monolar Mastic: Industrial Grade Sealant Early Access Foster® 60-90 Monolar Mastic, White Smart Choice [vgSYalRI] is a premium solvent-based sealant designed for industrial insulation systems. This high-quality product offers exceptional adhesion and moisture protection, making

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Early Access Foster® 60-90 Monolar Mastic, White Smart Choice [vgSYalRI]

Foster® Monolar Mastic: Industrial Grade Sealant

Early Access Foster® 60-90 Monolar Mastic, White Smart Choice [vgSYalRI] is a premium solvent-based sealant designed for industrial insulation systems. This high-quality product offers exceptional adhesion and moisture protection, making it a trusted choice for a wide range of sealing and patching applications. Its bright white color ensures a clean, professional finish, enhancing the appearance of any insulation system.

Product Specifications and Properties

Early Access Foster® 60-90 Monolar Mastic, White Smart Choice [vgSYalRI] boasts a range of impressive specifications and properties. Available in a convenient 20-liter (25 kg) pail, this solvent-based sealant is suitable for a variety of surfaces, including metal, masonry, wood, and various insulation materials. With an application temperature range of 40°F to 100°F (4°C to 38°C) and a service temperature range of -20°F to 200°F (-29°C to 93°C), this versatile product can be used in a wide range of environments. Key features include a VOC content of less than 250 grams per liter, a cure time of 24 to 48 hours for tack-free and 7 days for full cure, and a shelf life of 12 months when stored properly.

Applications and Benefits

Early Access Foster® 60-90 Monolar Mastic, White Smart Choice [vgSYalRI] is an ideal choice for industrial insulation systems, serving as a vapor barrier sealant that prevents moisture ingress and air leakage. This product is suitable for patching and repairing insulation jackets and cladding, as well as sealing joints and seams in HVAC ductwork. Its excellent adhesion quality ensures a secure bond to various surfaces, while its aesthetic finish provides a clean, professional look. For best results, apply to clean, dry surfaces free of dust, oil, and grease. Designed for professional use, this versatile sealant is a must-have for any insulation project.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

The performance is outstanding. It is a top-tier, quality product.

- Conrad M..

January 18, 2026

Absolutely no complaints!

The quality is superb and the performance is just outstanding.

- Dylan T..

January 18, 2026

Absolutely no complaints!

This product is a brilliant choice. It's a solid, well-constructed device.

- Eliza N..

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