Your steel building kit can include framed openings that accommodate doors and open air entrances and can be located on your metal building to your specifications. Large openings can be custom designed to accommodate virtually any size door such as large bi-fold doors or slide doors for aircraft hangars. Windows include aluminum horizontal slide windows that provide light and ventilation and are virtually maintenance free in sizes 3030, 4030 and 6030. Overhead doors are available from Rhino in both cylinder drum type and sectional with optional electric operators. Order your steel framed opening to coincide with the appropriate door size. Personnel doors are available in 3070, 4070 and 6070 with or without glass openings. All doors come standard with lock and key, steel frame and threshold. Options include insulated leaf, closers, panic hardware, and mortise lock.
Framed openings can be factory located on your building at the location of your choosing. This saves time and labor in the erection process of building. Larger openings can be engineered to accommodate virtually any size door such as large bi-fold doors or slide doors for aircraft hangars.

Aluminum horizontal slide windows provide light and ventilation, and are virtually maintenance free.
Overhead doors are available from Rhino in both cylinder type and sectional with optional electric operators. Order your "framed opening" to coincide with the appropriate door size.
Rhino offers a variety of overhead door models in both sectional and drum styles. All doors have the option of being insulated and wind certified up to 145 MPH when needed. Tell us your requirements and we'll recommend the right door for your specific application. Styles range in a wide variety of materials and window treatments. Choose from both manual and electrical lifting systems.
Walk doors are available in 3070, 4070 and 6070 with or without glass openings. All doors come standard with lock and key, steel frame and threshold. Options include insulated leaf, closers, panic hardware, and mortise lock.