Sponge Rubber Expansion Joint Options from WR Meadows

The soft lead cap covers the sealant, extending its life by protecting it from UV rays and weather. It also absorbs stress from building movement that would otherwise crack the sealant, providing a much more durable and reliable joint protection system.

Yes, WEATHERCAP® is ideal for both new construction and historic restoration. Certain products, like the A-2 Type A cap, are specifically designed for new installations, ensuring long-term joint integrity from the start for projects like parapets, copings, and cornices.

Type A is a flat cap designed for joints where masonry units are in the same plane, such as on copings or lintels. Type B is a 90-degree cove cap used for right-angle joints, like where a window sill meets a wall or at corner junctions.

Yes, it can be painted to match the surrounding masonry. If left unpainted, the soft lead surface naturally oxidizes to a neutral grey color that blends seamlessly with most stone and masonry, making it aesthetically versatile for architectural applications.

All WEATHERCAP® products are supplied in standard 6-foot lengths, allowing for easy handling and field cutting to fit specific joint requirements. Materials are typically shipped within 48 hours of order placement to ensure timely project support.

Absolutely. It is a preferred solution for historic preservation and is specified in the U.S. GSA's Historic Preservation Technical Procedures. It has been successfully used on numerous national landmarks, including the Washington Monument and the U.S. Treasury Building.