Seal the Deal: The Ultimate Tank Sealant for Your RV Adventures
Seal leaks and seams on your RV with confidence using the B-100 Butyl Adcoseal, a specialized sealant that offers excellent adhesion and remains permanently flexible. Easy to apply with a standard caulking gun, it’s non-staining, resists weathering, and bonds to glass, metal, wood, masonry, and more—making it ideal for exterior tank and surface repairs. Enjoy lasting protection and a hassle-free application every time.---
- Excellent adhesion
- Permanently flexible
- Non-stringing
- Non-staining
- Adco B-100 Butyl Rubber Sealant is a single component, solvent release butyl based sealant specifically designed to provide excellent exterior weathering properties
- Easy to apply and tool
- Assures superior adhesion to a variety of clean surfaces
- Excellent choice for exterior sealing applications
- Compatible with an array of substrates:
- Glass
- Metals
- Concrete
- Wood
- Masonry
- Some plastics
- Color: Black
- Cartridge: 10.3 fl oz (305 ml)
- Application Instructions:
- All surfaces must be clean and dry
- Apply with a standard caulking gun
- Cut nozzle to desired bead size. Puncture inner seal
- Apply at a 45° angle using constant pressure
- Use at room temperature for ease of gunning
- Tool or join surfaces for sealing before material skins
- Support tooled or joined surfaces for 8 hours minimum
- Use mineral spirits or VM&P Naphtha to remove excess material before skin forms
- Limitations:
- All surfaces to be sealed or bonded must be clean and dry and free from contaminants
- Primer may be required for certain surfaces
- ADCO B-100 is not recommended for use in window glazing applications or hidden joint details, which require a non-skinning, non-hardening sealant
| Color | Black |
|---|---|
| Material | Butyl Rubber |
| Application method | Caulking gun |
| Compatible surfaces | Glass, Metals, Concrete, Wood, Masonry, Some plastics |
| Volume (milliliters) | 305 |
| Volume (fluid ounces) | 10.3 |
| Curing support time (hours) | 8 |
| Recommended application angle (degrees) | 45 |
- What surfaces is the specialized rv tank sealant compatible with? The sealant is compatible with glass, metals, concrete, wood, masonry, and some plastics.
- How should i apply the b-100 butyl adcoseal? Apply with a standard caulking gun at a 45° angle using constant pressure. Make sure all surfaces are clean and dry, cut the nozzle to the desired bead size, and puncture the inner seal before application.
- Is this sealant flexible after it cures? Yes, the Specialized RV Tank Sealant is permanently flexible.
- Can the sealant be used for window glazing applications? No, it is not recommended for window glazing applications or hidden joint details that require a non-skinning, non-hardening sealant.
- What should i use to clean up excess sealant before it skins? You can use mineral spirits or VM&P Naphtha to remove excess material before the sealant skins.
100% Authentic OEM Parts
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.