
WEATHERCAP A-8 Type A Flat Joint Cap
- Largest A-8 flat cap for 1 1/2" joints
- Wide 2-inch outer coverage protection
- Built for major coping and cornice joints
U.S. Patent 6991400
GSA Specified Product
Registered U.S. Trademark
Find top masonry restoration contractors in Newton, MA, and discover WEATHERCAP®, the GSA-specified solution for protecting and preserving masonry joints. Our patented soft lead caps extend sealant life, prevent moisture penetration, and are ideal for historic preservation and new construction projects throughout the Newton area.
































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WEATHERCAP is a patented soft lead cap installed within sealant joints. It protects the sealant from weather and UV exposure, absorbs stress from building movement, and prevents moisture intrusion, significantly extending the life of the restoration work. It is ideal for preserving the integrity of masonry structures.
Talk to our experts for custom solutions and tailored guidance.

Protecting joints in landmark buildings, specified by the GSA for authentic and durable restorations.

The proven choice for state capitols, federal buildings, and universities requiring long-term joint integrity.

Ensuring weather-tight masonry joints in new construction and restoration of commercial properties.

Ideal for complex architectural elements like cornices, balustrades, porticos, and water tables.
Talk to our experts for custom solutions and tailored guidance.
Trusted for restoring America's most treasured buildings, including the Washington Monument, U.S. Supreme Court, and Smithsonian Institution.
Our unique soft lead cap system (U.S. Patent 6991400) is engineered to absorb stress and flex with building movement, preventing joint failure.
WEATHERCAP extends sealant life by shielding it from UV rays and weather, preventing moisture penetration and costly repeat repairs.
Get technical info, CAD drawings, and sizing guidance. Contact our team to ensure your restoration work stands the test of time.
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.