Red Devil 0810 100% Silicone Architectural Grade RTV Sealant - Weather

In this review of the Red Devil 0810 100% Silicone Architectural Grade RTV Sealant, the bottom line is simple: it is for homeowners and DIYers who need a long-lasting, water-resistant seal for interior or exterior jobs. The reviewer found the product excels where durability and flexibility matter most - around windows, doors, gutters and on materials like glass, metal and ceramic. With a 50-year durability guarantee and a permanent flexibility formula, this sealant is primarily worth buying when you want a dependable, weatherproof finish that will not crack or peel over time.

Key Features

• Weather resistant seal: Forms a waterproof barrier suitable for both interior and exterior use to protect joints from moisture and drafts.
• Excellent adhesion: Bonds to a wide range of surfaces including glass, metal, painted surfaces, tile and many plastics for versatile repairs.
• Permanent flexibility: Will not crack, shrink or peel, maintaining a flexible joint that tolerates movement and temperature changes.
• 50-year durability guarantee: Backed for long-term performance, giving confidence for long-running projects like siding, gutters and skylights.
• Multi-purpose use: Suitable for windows, door frames, skylights, trim, vents, pipes and air conditioners for a variety of household applications.

Who It's For

The sealant is aimed at homeowners, property managers and DIY enthusiasts who need a reliable silicone adhesive for sealing around windows, doors, gutters and exterior trim where weather resistance is required. It is also a good choice for those working with diverse materials - from glass and aluminum to ceramic and stone - who want a single product to handle multiple surfaces.

Professionals needing specialized formulations for paintable caulks or fast-curing construction adhesives might look elsewhere, as this product is an architectural grade 100% silicone best used where permanent flexibility and water resistance are the priority.

Pros & Cons

Pros

• Provides a durable, water-resistant seal that holds up to weather and movement.
• Adheres well to many surfaces including metal, glass, tile and painted areas for flexible use.
• Long-term reliability with a 50-year durability guarantee, offering strong value for exterior repairs.

Cons

• Some users report mixed experiences with ease of application and color matching, so neat finishing can require care.

Specifications

Brand	Red Devil
Type	100% Silicone Architectural Grade RTV Sealant
Tube Size	2.8 oz. tube
Color	White
Intended Use	Interior and exterior sealing on windows, doors, trim, gutters and more
Durability	50-year product durability guarantee

Our Verdict

The Red Devil 0810 100% Silicone Sealant is a solid, long-term choice for anyone who needs a reliable, weatherproof seal on a variety of surfaces. It delivers strong adhesion and permanent flexibility at a good value, making it well suited for most household exterior and interior sealing tasks where water resistance and durability matter most.

Frequently Asked Questions

Can this sealant be used both indoors and outdoors?
Yes, it is formulated for both interior and exterior use and is weather resistant for outdoor applications.

What surfaces will it adhere to?
The sealant adheres to metals, plastics, wood, glass, tile, stone, painted surfaces and many common building materials.

Does the sealant remain flexible over time?
Yes, the product is designed for permanent flexibility and is guaranteed for durability over a 50-year period.