Red Devil RD 181 Duct Sealant - Tub (1/2 Gallon, REDD-00841DS) is a versatile, high-performance sealant designed for sealing HVAC ducts and other sheet metal connections. Its water-based, non-toxic formula ensures a tight, durable seal that resists aging, cracking, and thermal stress, providing long-lasting protection against air and moisture leaks. Ideal for both commercial and residential applications, this duct sealant maintains excellent adhesion and flexibility, ensuring efficient and secure ductwork performance.

• Interior & Exterior Use
• Permanently Flexible
• Paintable
• Non-Flammable
• Strong Adhesive Grip
• Excellent Elasticity
• Mold & Mildew Resistant When Cured

Specifications

UL Listed: Yes

Size: 1/2 Gallon Tub

Dimensions: 6.5 x 6.5 x 6 inches (LxWxH)