Vaults UL-Rated, Modular Vaults and Vault Doors: Classes: M, 1, 2, 3 Custom-made sizes and configurations to maximize the space available. Share this: Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook More Email a link to a friend (Opens in new window) Email Share on WhatsApp (Opens in new window) WhatsApp Like Loading...