White Lightning W43101010 Silicone Sealant 10 Oz Clear

Product Description

The WHITE LIGHTNING W43101010 is a clear silicone sealant in a 10 oz tube, formulated for a wide range of trade and construction bonding and sealing applications. It operates across an extreme temperature range of -80 degrees F to 450 degrees F, making it suitable for both high-heat and cold-weather environments. The sealant reaches a tack-free state in 30 minutes and achieves full cure in 24 to 48 hours. HVAC technicians, plumbers, and general contractors use it to seal penetrations, joints, and connections on a variety of substrates. It is not paintable after application.

This sealant is rated for outdoor use and bonds to aluminum, concrete, metal, mortar, plastic, rubber, stone, vinyl, and wood. It is well suited for sealing HVAC penetrations through framing and masonry, plumbing escutcheon plates, and general construction joints exposed to weathering and temperature cycling. Minimum application temperature is 40 degrees F, and maximum application temperature is 140 degrees F. Each unit ships as a single 10 oz tube.

Key Features

• Silicone chemical type for long-term flexibility and adhesion across substrates
• Operating temperature range of -80 degrees F to 450 degrees F
• Tack-free in 30 minutes; full cure in 24 to 48 hours
• Compatible with aluminum, concrete, metal, mortar, plastic, rubber, stone, vinyl, and wood
• Rated for outdoor exposure and temperature cycling
• Clear color for discreet sealing on visible joints

Compatibility

Designed for use on aluminum, concrete, metal, mortar, plastic, rubber, stone, vinyl, and wood substrates in both indoor and outdoor applications.

Installation Notes

Apply using a standard caulking gun after cleaning and drying the substrate surface thoroughly. Remove any loose material, oil, or old sealant before application for proper adhesion. Allow a minimum of 30 minutes tack-free time before exposing the joint to contact, and allow full cure of 24 to 48 hours before water or weather exposure. This product is not paintable, so plan finish work accordingly before sealing.