Clopay. Rising automatically with the press of a button, the glass panel garage doors in the Avante collection merge indoor and outdoor living spaces, the maker says. They come in many window options to control the degree of light transmission and privacy. Insulated glass is also available. A 2-1/8-inch-thick, rustproof aluminum frame supports the glass. 800-225-6729. www.clopaydoor.com.