
WEATHERCAP Custom and Large-Size Masonry Joint Caps
- Custom sizes for non-standard joints
- Special designs available on request
- Soft lead construction for restoration work
U.S. Patented System
GSA Specified Product
Registered U.S. Trademark
Explore Weathercap's patented masonry joint protection systems for projects in Rosedale. Our soft lead caps are designed to protect sealant, prevent moisture penetration, and accommodate building movement. Ideal for historic preservation and new construction, ensuring long-lasting, weather-resistant masonry joints for any structure.
































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WEATHERCAP is a patented soft lead cap used with sealant in masonry joints. It protects the sealant from environmental exposure, accommodates building movement, and prevents moisture penetration, significantly extending the life of the joint and preserving the structure. It is ideal for both restoration and new construction projects.
Talk to our experts for custom solutions and tailored guidance.

Protecting landmark structures from moisture by securing vulnerable masonry joints, specified by the GSA.

A trusted solution for architects specifying durable and discreet joint protection in high-value restoration projects.

Ensuring the longevity of public and institutional assets like state capitols, universities, and museums.

Incorporated into new designs to proactively prevent joint failure and extend the life of the building envelope.
Talk to our experts for custom solutions and tailored guidance.
Our system is trusted to protect America's most iconic buildings, including the Washington Monument and the U.S. Supreme Court.
Weathercap's unique soft lead technology (U.S. Patent 6991400) provides a flexible, permanent seal that outperforms standard methods.
We are a specified product in the GSA's Historic Preservation Technical Procedures, the standard for government restoration projects.
Contact us for technical specifications, CAD drawings, and sizing guidance. We'll help you find the right joint protection solution.
For immediate assistance, feel free to give us a direct call at (985) 649-4000.
For immediate assistance, feel free to give us a direct call at (985) 649-4000.