Expansion joint caps snap over the top of fiber expansion joint material to protect it during and after the pour. Capitol Steel stocks 3/8" and 1/2" caps in 1000-linear-foot bundles. Pair with our expansion joint material for a complete isolation joint system.
We serve contractors across Northern California with knowledgeable staff who understand your projects. Get expert recommendations on the right materials for your application — no guesswork.
Our delivery team brings top-quality construction materials directly to your job site. Reliable scheduling and careful handling mean your materials arrive ready to use.
Choosing Capitol Steel means partnering with a team that values quality, reliability, and innovation. We bring together decades of experience, skilled craftsmanship, and a commitment to your satisfaction.
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