Arguably, French doors could be considered as retractable as each door can be pulled back. The advantage of retractable doors is that maximum access is possible between the two sides of the aperture whereas sliding panel doors generally overlap unless built to retract into a recess.
Because slide-and-pivot doors have no hinges, there is no requirement for a sturdy side frame; its only purpose is to cover the gasket that seals the double glazed unit. This means that the views afforded through the expanse of patio doors have minimal interruptions. At the time of writing, there are two versions of frame-less glass doors available in the UK, both using the slide-and-pivot technique: one manufacturer supplies their frameless glass doors with kite-marked double glazed units which have a visible seal, the other uses an almost transparent method of sealing their double glazing. Contemporary by design, the absence of visible characteristics makes frameless glass doors a viable option for period properties.
Modern patio doors can be made out of materials such as aluminum and PVC vinyl. While those materials have their merit, they simply cant match the warmth and beauty of wooden doors. When you choose wood for your patio door, youre not stuck with one color. Those other doors are usually all white, but what if you want a color that goes nicely with the inside of your home? Well, as you know, wood comes in all sorts of color and grain choices, so there are no limits to your decorating choices.
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