Commercial Garage Door Parts: 3 Types of Garage Door Opener Drives

"While most Buffalo residents and business owners may think all garage door openers are the same, the fact is they are not. There are actually three main drive types of garage door openers: screw, chain and belt. Screw Drive This type of garage door opener uses a lifting device that runs along a threaded steel rod. There are fewer moving parts in the screw drive than other opener types, so it requires less maintenance. They are known to be slow moving and noisy, albeit less noisy than chain drive types."
http://crawforddoorofwnyinc.com/commercial-garage-door-parts-3-types-of-garage-door-opener-drives/

Garage Door Installation 101: All about Modern Garage Door Openers

"Garage doors can be made of different materials including steel, fiberglass, aluminum, wood and wood composite. The price of garage door installation in Buffalo will vary depending on the material you choose. They can be opened manually or by using an automatic garage door opener. Garage door openers themselves are rather simple. Their basic components include springs, struts, and an operating mechanism. Even if the decades-old opener you have installed works fine, you still might want to consider replacing it because newer garage door opener models offer better security, safety and convenience. Consider these features that are often standard with the garage door openers of today."
http://crawforddoorofwnyinc.com/garage-door-installation-101-all-about-modern-garage-door-openers/