2.8 Oz. Silicone Caulk, White

DAP 100% Silicone Rubber Sealant – Professional-Grade Protection for Sealing Applications

The DAP Silicone Rubber Sealant is a high-performance product designed to create a permanent, flexible, and waterproof seal. Suitable for both interior and exterior applications, this sealant is trusted by contractors for sealing joints and gaps exposed to weather, moisture, and movement.

Formulated with 100% silicone, it delivers outstanding adhesion and long-term durability on a wide range of common construction materials. Whether applied to windows, doors, siding, flashing, or penetrations, this sealant provides reliable protection against air and water infiltration.

Why Professionals Use DAP Silicone Rubber Sealant

Contractors rely on this sealant for its consistent performance under demanding conditions. With excellent flexibility and resistance to cracking or shrinking, it is ideal for projects where long-term durability is required.

Key Benefits

• 100% Silicone Formula: Delivers permanent, waterproof, and weatherproof seals.
• Superior Flexibility: Maintains adhesion through expansion and contraction of joints.
• Wide Surface Compatibility: Bonds to glass, metal, ceramic, most plastics, and many other substrates.
• Mold and Mildew Resistant: Formulated to prevent fungal growth in damp environments.
• Indoor/Outdoor Use: Stable under UV exposure and extreme weather conditions.

Technical Specifications

• Size: 2.8 oz tube
• Material: 100% silicone rubber
• Application Temperature: Recommended above 40°F (4°C)
• Service Temperature Range: -40°F to 400°F (-40°C to 204°C)
• VOC Compliance: Low VOC, meets regulatory standards

Installation Notes

For best performance, surfaces must be clean, dry, and free of contaminants. Apply with a standard caulking gun, tooling the bead within 5–10 minutes of application. Allow 24 hours for full cure (longer in low humidity or cooler temperatures). While straightforward to apply, correct surface prep and bead tooling are essential for a long-lasting seal.

Contractor and Installer Considerations

For Contractors: This product meets the requirements for a wide variety of building envelope applications. Its proven resistance to moisture, UV, and thermal cycling reduces callbacks and ensures customer satisfaction.

For Skilled Installers: While user-friendly, precision in application is key. In critical sealing locations, proper surface prep and adherence to building code requirements should be followed to guarantee long-term performance.

Final Word

The DAP Silicone Rubber Sealant is a contractor-grade solution for durable, flexible, and weather-resistant sealing. With its strong adhesion, mold resistance, and long service life, it is the right choice for demanding construction and repair projects where reliability cannot be compromised.