For a nice and durable patio set up, take a look at these MasterPiece sliding composite glass patio doors from Home Depot. Of course you do have quite a few patio doors to choose between at home improvement stores such as Home Depot and Lowes, however these MasterPiece glass doors do indeed seem very nice and sturdy and would be an excellent choice if you're looking for an appropriate door setup.
These MasterPiece patio doors are made in waterproof composite material which won't warp, dent or rust and they feature a woodgrain interior which definitely is a nice feature. You can find these doors with left handed as well as right handed setups as well as different sizes. Another nice thing about these doors, which might be one of the biggest reasons by people upgrade their windows and doors is energy efficiency. If you currently have an old drafty patio door, then you will most certainly notice the difference and you might even be able to save money in the process by making your home more insulated. And for the price of $500, you really can't go wrong.
MasterPiece Patio Doors 71-1/4 In. x 79-1/2 In. Left Handed Composite Glider in White with Woodgrain Interior
"Composite patio doors from MasterPiece offer a traditional look with a lifetime of energy efficiency and performance. MasterPiece Patio Doors commitment to design excellence is built into our patio door systems to meet the industry's growing needs. Our doors successfully blend style, efficiency and economy along with the most advanced technology for today's discerning homeowner."
MasterPiece Patio Doors 59-1/4 In. x 79-1/2 In., Right Handed Composite Glider in White with Woodgrain Interior
"100 percent composite waterproof material will not rust, dent, rot, split or warp. Paintable smooth white exterior with a paintable or stainable composite tuxtured woodgrain interior which does not require finishing. High-performance Low-E tempered glass. Flush bolt auxiliary lock for security and ventilation. Adjustable stainless steel rollers and track. Standard satin nickel handle set with keyed lock. Lifetime warranty"
These doors are from homedepot.com