Sign Shop | Sign Company | Custom Sign maker | Lighted Business Signs. We make and install all types of Signs and Lettering for business owners in Southern California area. With the experience of Manufacturing signs over 30 years and not outsourcing work, our overhead is lower then all competitors. With expertise comes time saving fabrication techniques, that save our customers bottom line, specializing serving Irvine Sign Company, Orange County Ca. There are many ways you can mount or install different types of 3d building letters and dimensional lettered signs. Most often, the 3d letters attach to a surface permanently, with a silicon adhesive which will last years. We can make metal letters, plastic, acrylic, and many other types of materials. There are many types of surfaces, which may require a different attachment method. An installer will have to determine the best method of attachment for each unique sign letter project. A licensed sign contractor will have the needed experience to determine the best method of attachment.