Armstrong Expansion Joint Solutions for Ceilings and Walls

The soft lead has a low elastic modulus, allowing it to remain flexible and 'creep' into new configurations as the building moves. This prevents the sealant joint from tearing or checking, ensuring a long-lasting, weather-resistant seal.

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

Yes, while widely used for historic restoration, our joint protection system is also specified for new construction to ensure long-term durability. The A-2 Type A cap, for instance, is specifically designated for new-construction installation.

Yes. In addition to our range of stock sizes for Type A and Type B caps, we can supply custom and larger sizes upon request to suit non-standard masonry joint conditions for specific architectural or restoration projects.

All Weathercap products are supplied in 6-foot lengths, allowing for easy handling and field cutting. Orders are typically processed and shipped from our facility within 48 hours of being placed.

We provide comprehensive support, including manufacturer technical information, sample specifications, CAD drawings, and guidance on installation and sizing to ensure proper application for your project's specific requirements.