RectorSeal 66640 Metacaulk 1000 Intumescent Firestop Sealant 10.3 oz

Product Description

RectorSeal 66640 Metacaulk 1000 is a water-based, highly intumescent firestop sealant designed for various applications. This product is suitable for sealing construction joints and through-penetrations, ensuring safety against fire and smoke. It is designed to be applied with a caulking gun or trowel, making it user-friendly for contractors and technicians.

• 10.3 ounces of sealant per cartridge
• Flexible and easy to apply
• Resistant to freeze and thaw conditions

Product Highlights

This sealant is durable and effective in preventing the spread of flames, smoke, and water through joints. It has a Sound Transmission Class (STC) rating of 62 and is compliant with multiple testing standards.

Product Information

Standard Information

• Manufacturer: RectorSeal
• Part Number: 66640

Technical Specifications

• Type: Firestop Sealant
• Container Size: 10.3 oz
• Color: Red
• Curing Time: 3 to 4 Weeks
• Temperature Rating: 40 to 120 deg F
• pH Range: 6.5 to 7
• Specific Gravity: 1.25
• VOC Content: Less than 10 g/L