Swallow Utility Knife

Durable, Non-Corrosive Sealing for Every Glazing Project

Protect and enhance your glazing projects with our High-Performance Neutral Silicone Weatherproof Glazing Sealant-a one-component, moisture-curing solution engineered for superior durability, versatile adhesion, and long-lasting weather resistance. Designed for both professional contractors and DIY enthusiasts, this sealant delivers a flexible, non-staining finish that safeguards windows, glass facades, and architectural joints from the harshest environmental conditions, while remaining compatible with most common building substrates.

Unlike acidic silicone sealants, our neutral curing formula is non-corrosive to metals (including aluminum, steel, zinc, and copper) and non-staining to sensitive porous substrates such as granite, marble, and natural stone. It cures at room temperature upon contact with atmospheric moisture, forming a permanently flexible silicone rubber that won't damage delicate surfaces or cause unsightly discoloration. Almost odorless during application, it's ideal for both indoor and outdoor use, complying with industry standards and ensuring safe installation in enclosed spaces.
Crafted from 100% high-grade silicone, the sealant boasts excellent UV and ozone resistance, preventing yellowing, cracking, or brittleness even after prolonged exposure to sunlight, rain, snow, or extreme temperature fluctuations (-62°C to 177°C / -80°F to 350°F). Its medium to low modulus flexibility allows for ±50% joint movement, accommodating thermal expansion and contraction without losing adhesion-critical for long-term glazing performance.

Our neutral silicone glazing sealant offers exceptional primerless adhesion to a wide range of building materials, eliminating the need for extra prep work and saving you time on installation. It bonds securely to non-porous siliceous materials (glass, tiles, ceramics, glazed surfaces), metals, painted wood, concrete, mortar, and fibrous cement. While it adheres excellently to most common substrates, we recommend conducting preliminary compatibility tests for specialized plastics (such as polyethylene, polypropylene, ABS, or polycarbonate) to ensure optimal results.
The sealant features excellent workability and gunnability, applying smoothly with a caulking gun even in extreme temperatures (5°C to 40°C / 41°F to 104°F) and maintaining a non-sag consistency for vertical and overhead applications. Its long open time and easy tooling properties allow for precise application, ensuring a clean, professional finish every time.

•Architectural Glazing: Ideal for structural and non-structural glazing applications, including glass-to-glass butt joints, cap, toe, and heel beads, as well as perimeter sealing of windows, doors, and glass facades. Suitable for unitized curtain wall systems and impact-resistant window installations.
•Building Joint Sealing: Perfect for sealing expansion and control joints in precast concrete panels, metal curtain walls, and exterior insulation finish systems (EIFS), providing a weathertight barrier against moisture and air infiltration.
•Indoor & Sanitary Use: Great for sealing joints in kitchens, bathrooms, and showers, thanks to its mold-resistant and waterproof properties. It's also suitable for general-purpose sealing in residential and commercial buildings.
•Industrial & Marine Applications: Versatile enough for use in automotive, aircraft, and shipbuilding industries, as well as marine joints at or below the waterline (note: not recommended for long-term underwater use or aquariums).

Engineered for maximum longevity, our neutral silicone weatherproof sealant is waterproof, scratch-resistant, and resistant to most atmospheric conditions, including rain, wind, dust, and pollutants. It has a long shelf life (12 months in unopened containers when stored below 27°C / 80°F) and cures quickly to a tack-free finish, allowing for faster project completion. Once fully cured, it forms a seamless, impermeable barrier that prevents water leakage, air drafts, and noise penetration-reducing energy costs and enhancing the comfort of any space.

Pro Tip: For best results, ensure substrates are clean, dry, and free of dust, dirt, rust, oil, or contaminants before application. Clean non-porous surfaces with a solvent and lint-free cloth, removing residual solvent before it evaporates. Cut the cartridge thread open, attach the nozzle, and trim to your desired bead size. Apply in beads or layers, and allow sufficient curing time (longer in low temperatures or humidity) for optimal performance.

Whether you're working on a commercial glazing project, residential window installation, or industrial sealing task, our Neutral Silicone Weatherproof Glazing Sealant delivers the reliability, versatility, and durability you need. Available in multiple colors (white, black, aluminum, bronze, custom options) and packaging sizes (295ml cartridge, 600ml sausage, 7.6L pail), it's the professional's choice for long-lasting, weathertight glazing seals.

Choose our premium neutral silicone sealant for a non-corrosive, non-staining, and weather-resistant solution that stands the test of time-protecting your investments and ensuring flawless results for years to come.