Vulkem® SIL

Vulkem® SIL Pro Series is a 100 percent silicone, high-performance, non-sag sealant with exceptional movement capabilities that remains permanently flexible throughout the life of the sealant. Vulkem® SIL provides a 100 percent waterproof and weatherproof seal for windows, doors, siding, expansion and control joints, and more. It provides a superior seal on aluminum, glass, steel, vinyl, painted metals, plastic, concrete, stone, brick, wood, CMU block, EIFS, and more. It’s suitable for plus or minus 50 percent joint movement and won’t shrink, crack, or yellow.

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Product Type

Pro Series 100% Silicone Clear Sealant - 10.1 oz.

Product Description

Vulkem® SIL is a Pro Series 100% silicone sealant offering exceptional flexibility, weather resistance, and durability for both interior and exterior applications. It bonds to a wide variety of materials including glass, aluminum, steel, stone, concrete, and vinyl, making it ideal for sealing windows, doors, siding, and more. With ±50% joint movement capability and rain readiness in just 30 minutes, Vulkem® SIL is built for speed and long-term performance.

Key Benefits

  • Superior Seal: Adheres reliably to a wide range of surfaces for watertight and airtight protection.
  • High-Performance Silicone: Non-sag, 100% silicone sealant ensures long-lasting durability.
  • All-Weather Protection: UV, freeze/thaw, and weather-resistant for demanding environments.
  • Exceptional Joint Movement: Accommodates ±50% joint movement without compromising integrity.
  • Quick Rain Readiness: Rain ready in only 30 minutes after application.
  • Flexibility and Adhesion: Stays flexible while maintaining strong adhesion to diverse substrates.
  • Resilient Performance: Will not shrink, crack, or yellow over time.
  • Versatile Use: Suitable for both interior and exterior applications.

Best For

  • Windows
  • Doors
  • Siding
  • Aluminum
  • Glass
  • Steel
  • Metal
  • Vinyl
  • Stone
  • Concrete

Product Properties

Property Specification
Cure Times 10 to 15 minute skin time, 14 to 21 day cure
Use Interior and exterior
Application Method Caulk gun
Application Temperature 40 °F – 90 °F
Total Coverage 25 linear ft.