Gorilla Glue 109404 Hybrid Silicone Caulk Sealant 1 Lb Black

Product Description

The GORILLA GLUE 109404 is a hybrid silicone modified polymer caulk sealant from the Waterproof Patch and Seal series. Packaged in a 1 lb can, it delivers a flexible, waterproof bond on a wide range of surfaces including aluminum, brick, concrete, glass, metal, rubber, tile, and wood. It becomes tack-free in as little as 5 to 30 minutes and reaches full cure in 24 to 48 hours. The formula is paintable after cure and rated for continuous use from -40 degrees F to 212 degrees F, making it suitable for both indoor and outdoor applications. Licensed contractors, roofers, and experienced DIYers install this product across a broad range of sealing and patching tasks.

The 109404 is formulated for use on roofs, gutters, skylights, flashing, PVC pipe joints, windows, and RV surfaces, as well as chimney exteriors and general DIY projects. Its indoor and outdoor rating makes it a versatile option for both interior sealing work and exposed exterior environments. Coverage is 256 square inches per container. The hybrid silicone chemistry provides flexibility and adhesion that holds up to temperature cycling and moisture exposure typical in roofing and plumbing applications.

Key Features

• Hybrid silicone modified polymer chemistry for flexible, waterproof adhesion
• Tack-free in 5 to 30 minutes with full cure in 24 to 48 hours
• Paintable after cure for finished surface applications
• Operating temperature range of -40 degrees F to 212 degrees F
• Adheres to aluminum, brick, concrete, glass, metal, rubber, tile, and wood
• Rated for both indoor and outdoor use including roofs, gutters, skylights, and PVC pipe joints

Compatibility

Designed for use on roofs, gutters, skylights, flashing, chimneys (exterior use only), PVC pipe joints, windows, RVs, and general DIY projects. Adheres to aluminum, brick, concrete, glass, metal, rubber, tile, and wood substrates.

Installation Notes

Surface should be clean, dry, and free of loose material before application. Power wash or mechanically clean the substrate and allow it to dry fully before applying the sealant. Apply in temperatures appropriate for the product cure range and avoid disturbing the sealant during the tack-free window. This product is intended for exterior chimney use only and should not be applied to surfaces with active water flow.