We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Q: Many of the drywall seams on my 40-year-old house are bulging. It doesn’t appear as ...

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 ...