Why Seal Bond® 435 Outperforms Standard Siding Caulks
Built for Movement Without Cracking
Handles ±35% joint movement, flexing with siding, trim, and seasonal expansion to prevent cracking and premature failure.
Primerless Adhesion to Common Substrates
Bonds to vinyl, fiber cement, wood, metal, masonry, and more to reduce prep work and speed up installation.
Non-Sag Application for Clean Lines
Stays where you apply it for precise, professional finishes on vertical joints, seams, and transitions.
Extremely Low Shrinkage for Long-Term Seal Integrity
Maintains bead shape and seal performance over time. No gaps, no pull-away.
All-Season, Weather-Resistant Performance
Performs in harsh conditions from -40°F to 200°F with resistance to moisture, UV, and environmental exposure.
Why Contractors and Distributors Choose Seal Bond
Custom Solutions, When You Need Them
We help solve real installation challenges—not just sell products.
Built for the Jobsite
From gunning to tooling, our sealants are designed for speed and consistency in the field.
Reliable Performance Across Applications
One sealant for multiple substrates simplifies inventory and installs.
Results You Can Stand Behind
Fewer callbacks. Better finishes. More confident installs.
