Published at Sunday, June 30th, 2019 - 08:10:08 AM. Cabinet Knob. By Adalard Roth.
Bifolds can have wood, steel, uPVC or aluminum section frames. Wood can obstruct the view and be heavy. uPVC material can flex and distort which will affect the working of the door and there is a size limitation as well. Steel can be heavy. Aluminum is the best material for sections. It is relatively stable and does not tend to distort with temperature variations. From the maintenance point too aluminum scores because powder coated or natural anodized aluminum does not need frequent paint or maintenance. Bifold doors are available as top hung or bottom rolling types. If a strong enough beam is present then the top hung type is best because it does not collect leaves and debris and the frame conceals the mechanism from view.
Consider painting the inner door a light, reflective or even a slightly fluorescent color. Here is another lesson straight out of the School of Hard Knocks. If you’re resistant to the idea, try to remember that no one will see the offbeat color except the people who routinely pull a car out of the garage. You might be sold on the idea when you see how brake lights illuminate the door, providing an extra degree of safety.
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