It is a common misconception that cables are outdated. As with any product, design varies from manufacturer to manufacturer. Diamond Doors has been innovating the bi-fold door design since 1998. Our cable-lift bi-fold doors are safe, reliable, and timeless. Our engineers have designed an...

Replace any existing door with a Diamond Bi-fold Door and save 10% For the month of April, any door installed on an existing building will be 10% off. Now is the time to upgrade your quonset, shop or storage building. REQUEST A QUOTE With the Diamond Bi-fold door, you can extend the opening...

HELP Currently in the designing and getting quotes stage of building a shop, I have been reading and watching possibly every youtube video in regards to farm shops. I am looking for advice in regards to the do's and do nots of a shop. I am currently considering building a 60x100x20 post...