Expansion Joint CSI Division: Solutions and Codes Explained

Weathercap® is installed over the sealant as a protective cap. Its soft lead construction covers the sealant, shielding it from UV radiation, weather, and physical stress. This significantly extends the sealant's life by preventing cracking or margin checking due to building movement, ensuring a long-lasting, weather-tight joint.

Yes, Weathercap® is suitable for both new construction and historic restoration. While renowned for preservation, it provides the same long-term joint protection for new masonry. The A-2 Type A cap is specifically designated for new construction, ensuring a durable, weather-resistant seal from the outset.

WEATHERCAP® is a lead product and requires proper handling. As per OSHA standard 29 CFR 1910.1025, installers should always wear protective gloves and wash hands thoroughly after handling the material. When installed, the product is stable and poses no risk, oxidizing to a neutral grey finish.

Type A caps have a flat configuration for joints where masonry units are in the same plane, such as on copings or lintels. Type B caps feature a 90-degree cove design, making them ideal for right-angle joints, like where a window sill meets a wall or at the perimeter of glass block panels.

All Weathercap® products are supplied in standard 6-foot lengths, which can be cut to size on-site. We maintain an operational supply chain and typically ship materials within 48 hours of an order being placed. Please note that all sales are final, and we do not accept returns of material.

Yes, Weathercap® can be painted to match surrounding masonry or architectural elements. If left unpainted, the soft lead surface will naturally oxidize to a neutral grey color that blends seamlessly with most stone and masonry, making it visually unobtrusive while providing continuous joint protection.