Create a durable seal around doors, windows, trim and siding with this White Lightning 100% silicone sealant. Its white formula provides excellent adhesion and forms a watertight seal that helps protect surfaces from moisture and weather-related damage.

Designed for indoor and outdoor use, this window and door sealant remains highly flexible and features minimal shrinking after application. It is especially well suited for areas exposed to frequent use or changing weather conditions.

This silicone adheres to fiberglass, glass, plaster, vinyl, wood and certain metals and plastics. Once fully cured, it resists mold and mildew while maintaining a waterproof seal around openings and finishing elements.

Features:

100% silicone formula

Designed for windows, doors, trim and siding

Suitable for indoor and outdoor use

Forms a flexible, waterproof and weather-resistant seal

Excellent adhesion to a variety of common materials

Minimal shrinking for a durable finish

Helps protect against heat and water damage

Resists mold and mildew once fully cured

Suitable for fiberglass, glass, plaster, vinyl and wood

Meets NSF/ANSI Standard 51

Quantity: 10 fl oz (295 mL)

Color: White