Railway Bridge Expansion Joint Types and Applications

They are primarily used in horizontal and vertical masonry joints for applications like stone copings, parapets, cornices, belt courses, window and door lintels, and entrance steps, especially in historic restoration projects.

Type A is a flat cap configuration designed for joints where masonry units are set in approximately the same plane, like the top of a coping. Type B is a 90-degree cove cap for right-angle joints, such as where a projecting lintel meets a side wall.

Yes, the soft lead caps can be painted to match the surrounding masonry. If left unpainted, the surface naturally oxidizes to a neutral grey color that blends with most stone and masonry, providing an unobtrusive, aesthetic finish.

The soft lead construction has a low elastic modulus, allowing it to remain flexible. It 'creeps' into new joint configurations as the building moves or settles, maintaining a continuous seal without tearing or shearing like more rigid materials.

Yes, in addition to our stock sizes, we can provide custom and larger-sized joint caps upon request to suit non-standard masonry joint conditions found in unique architectural or complex historic restoration projects. Contact us for details.

WEATHERCAP® is a lead product and requires proper handling in accordance with safety regulations. Always use appropriate personal protective equipment like gloves, and wash hands thoroughly after handling. Lead is regulated by OSHA under 29 CFR 1910.1025.