Drywall Size – Basement Drywall Thickness Drywall boards come in 3 common thicknesses. There’s 1/4 inch drywall, 1/2 inch drywall, 5/8ths of an inch drywall and 3/4 inch drywall. The most commonly installed thickness, per my extensive Google searching, is 1/2 inch.Click to see full answer. Just so, can you use regular drywall in basement?Regular drywall may not be the best option for these areas. Some rooms are more exposed to moisture than others which is a contributing factor to growth of mold. For instance, basement walls are cooler than those of other rooms of a house and moisture build up behind the walls may cause development of mold.Additionally, is there special drywall for basements? Standard: Standard drywall doesn’t include any special features. Basement board: This type of drywall, usually used in basements, has a standard core and mold-resistant face and back paper. It’s not as effective as standard mold and moisture-resistant drywall, but it’s less expensive. Additionally, how thick should drywall be in basement? Common thicknesses are 1/4-inch, 1/2-inch, and 5/8-inch. The thickness required for each application is dictated by the building code. 1/4-inch: Not a common thickness, 1/4-inch-thick drywall is used as a skimming (or double-wall) material for placing over an existing surface.Do I need mold resistant drywall in basement?Green drywall will for the most part prevent any mold from gowing due to the moist conditions. White drywall will not. Basements are not the same rooms as upstairs above grade. You need green to prevent the moldy and musty smells caused by moisture.