Joint Caps on Amazon: Top Joint Health Supplements

The soft lead material has a low elastic modulus, allowing it to remain flexible and 'creep' into new configurations as a building settles or moves. This prevents the sealant from tearing or losing adhesion. By covering the sealant, it also protects it from UV degradation and environmental stress, significantly extending its service life.

They are primarily used in horizontal and vertical masonry joints. Common applications include protecting joints on stone copings, parapets, balustrades, cornices, belt courses, and around window and door lintels. The system is especially valued in historic preservation projects where maintaining original masonry is critical.

Type A is a flat cap configuration designed for joints where masonry units are in the same plane, such as the top joints of a coping or balustrade. Type B is a 90-degree cove cap used for right-angle joints, like where a projecting window sill, cornice, or water table meets a vertical wall.

Yes, absolutely. While renowned for historic restoration, WEATHERCAP® provides superior, long-term joint protection for new construction projects as well. In fact, our A-2 Type A Flat Joint Cap is specifically designated for new-construction installations, ensuring the highest level of durability from the start.

Yes. While we offer a wide range of stock sizes in both Type A and Type B configurations, we can manufacture custom and large-size joint caps upon request. This allows architects and contractors to specify our proven protection system for non-standard masonry joint conditions and unique restoration projects.

All our masonry joint caps are supplied in standard 6-foot lengths, which can be easily cut and fitted on site. We maintain an operational supply chain and typically ship materials within 48 hours of order placement to ensure your project stays on schedule. All sales are final, with no returns accepted.