fiber tiles
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One of the standout features of plastic grid systems is their remarkable durability. Resistant to moisture, mold, and mildew, plastic ceiling tile grids are particularly well-suited for environments prone to humidity, such as bathrooms, kitchens, and commercial spaces. This resistance to the elements means they maintain their integrity over time, eliminating the need for frequent replacements.
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The spacing between main tees (the primary runners that run the length of the ceiling) is commonly 4 feet apart when installed in a rectangular grid configuration. The cross tees, which connect the main tees and create the grid layout, are generally found in lengths of 2 feet and 4 feet, allowing for flexibility in design and installation.
t bar ceiling grid dimensions

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