Styrofoam ceiling tiles are cheap, effective materials to dampen sound. You'll find them most often in office settings, particularly office buildings with modular walls that can be shifted at need to create new office suite layouts. The plastic foam ceiling tiles are set in place on a horizontal grid of metal bars, already in place in the ceiling, with regular openings sized to each receive exactly one ceiling tile.
Instructions
1. Set up a folding ladder directly beneath where you'll be installing the ceiling tiles. Make sure the ladder legs are locked in place and that the ladder is on a stable, solid surface.
2. Carry one ceiling tile up the ladder with you, or have someone hand it to you once you're up the ladder. Depending on how tall the ladder is, you might be able to place the tile across the top of the ladder before you climb it.
3. Turn the on its side and angle it a bit to pass it all the way through the metal grid into the empty space above.
4. Angle the tile again so that it's completely flat, with the bottom side (the flat surface with the holes in it) facing down toward you. Place your hands flat on the bottom of the tile, so that you're holding it up like a serving platter.
5. Lower the tile into place on the lipped edges of the grid; it should settle perfectly into the grid.
6. Go back down the ladder, move the ladder directly beneath the next grid tile to be installed, and repeat the process. Move the ladder for each tile you install; reaching out to the side, front or behind your center of balance to install additional tiles without moving the ladder might cause the ladder to tip over.
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