Premier XtraBond 150 General Purpose Silicone Sealant, Transparent Charcoal

Professional-grade neutral cure silicone sealant formulated to provide long-lasting flexibility, excellent adhesion, and a transparent charcoal finish for interior and exterior sealing applications.

Looking for a High-Performance Charcoal Silicone Sealant?

Premier XtraBond 150 General Purpose Silicone Sealant is a one-component, neutral cure silicone designed for professional construction, countertop, glazing, and general sealing applications. It provides excellent adhesion to a wide variety of building materials while remaining permanently flexible after curing, creating durable, weather-resistant seals that withstand everyday movement and changing environmental conditions.

The Transparent Charcoal color blends naturally with dark granite, quartz, engineered stone, tile, metal, and modern architectural finishes, making it an excellent choice for visible joints where a subtle, professional appearance is desired. Suitable for both interior and exterior use, XtraBond 150 delivers dependable performance for fabricators, contractors, and installers.

Typical Applications

• Granite and quartz countertops
• Natural and engineered stone installations
• Window and door perimeter sealing
• Expansion joints
• Stone and masonry joints
• Glazing applications
• Interior finishing
• Exterior weatherproofing

Advantages

• One-component neutral cure silicone
• Professional-grade general purpose sealant
• Excellent adhesion to a variety of substrates
• Permanently flexible after curing
• Suitable for interior and exterior applications
• Weather-resistant performance
• Easy to apply and tool
• Transparent Charcoal finish complements dark stone and architectural surfaces

Specifications

• Brand: Premier Building Solutions
• Product: XtraBond 150 General Purpose Silicone Sealant
• Color: Transparent Charcoal
• Cure Type: Neutral Cure
• Type: One-Component Silicone Sealant
• Application: Interior and Exterior

Compatible Materials

• Granite
• Quartz
• Engineered stone
• Natural stone
• Concrete
• Masonry
• Glass
• Metal
• Many common construction materials

Why Choose Premier XtraBond 150?

Premier XtraBond 150 provides the flexibility, adhesion, and weather resistance professionals expect for everyday sealing applications. Its neutral cure formulation delivers dependable long-term performance, while the Transparent Charcoal color blends beautifully with darker stone surfaces and contemporary architectural finishes.

Whether sealing countertop joints, window perimeters, expansion joints, or general construction gaps, XtraBond 150 offers reliable performance for residential, commercial, and industrial projects.

BB Industries carries professional silicone sealants, adhesives, countertop installation supplies, fabrication products, and construction materials trusted by fabricators and installers throughout North America.

BB Industries has you covered!

Frequently Asked Questions

What type of silicone is XtraBond 150?

XtraBond 150 is a one-component, neutral cure silicone sealant designed for professional general-purpose sealing applications.

Can it be used indoors and outdoors?

Yes. It is suitable for both interior and exterior applications where a durable, weather-resistant seal is required.

What materials does it adhere to?

It provides excellent adhesion to many common construction materials, including granite, quartz, engineered stone, natural stone, concrete, masonry, glass, and metal.

Does the sealant remain flexible after curing?

Yes. Once cured, XtraBond 150 remains permanently flexible to accommodate normal joint movement.

What color is this version?

This product is supplied in a Transparent Charcoal finish.