How to Choose Ceiling Tiles
What to know before you buy.

What to know before you buy.
This is great step-by-step guide from Popular Mechanics, though the navigation is a little clunky. From the home page, hit the "Getting Started" link (under the title), then to move through the steps click the ">" symbol next to Step you are on, to move to the next step.
This article has good hints about project planning, very clear illustrations, and a good Tool & Material Checklist at the end.
Though geared toward the older, tongue-and-groove 12" X 12" tiles, this guide gives good layout tips, and and has a good section about installing over furring strips.
A good step-by-step guide, with helpful illustrations and tips on painting and finishing. Safety tip: Watch those sharp edges!
A short video and clear illustrations make this simple project even simpler.
Replacing suspended ceiling tiles is a great way to quickly improve the look of any room, and it's easy!
What you need to know, from testing to clean-up, and some good points about "covering" vs "removing".
It is more work than replacing, or refacing them, but here's how to do it!
Leave the old tiles in place, slide new ones Left under them, for a whole new look with a lot less work.
For areas with limited headroom, this is a great option.