Overhead Concealed Closer Questions How do I know which Overhead Concealed Closer I have? Find out on the Product Identification page. Why is my Overhead Concealed Closer not properly closing my door? Find out if the arm is loose on your concealed closer here Why is my Closer leaking at the Spindle? Find out how to fix your closer here Why did the arm on my concealed closer break at the Spindle? See the many reasons why an arm could break on the troubleshooting page How long is the warranty on an Overhead Concealed Closer? For the 91 Overhead Concealed Closer, warranty is typically 5 years. See the official Warranty Page for more information. Do you have a concealed Grade 1 closer that fits in a 1-3/4 x 4 aluminum tube for offset hung doors? Yes! Our 91 Overhead Concealed Closer is built for offset hung doors both exterior and interior, and can work for doors weighing up to 250 lbs.