I'm trying to add a light to the ceiling of my basement stairwell but I have a question.<BR><BR>Right now the basement stairwell is finished with drywall and above the ceiling are the steps for the ...

While there is no such thing as a perfect building material, drywall comes pretty close. For one thing, it's dirt cheap, costing about $7 for a 1/2-in.-thick 4 x 8 panel. It's also DIY friendly--about ...