At Preferred Custom Buildings, we use hand selected lumber, heavy duty hardware, and experienced carpenters to make sure your Preferred Custom Building is of the highest possible quality and will last for many yaers to come!! All of our buildings have 2x4 studded walls 16" on center instead of 24" like our competitors. Pressure Treated 2x6 floor joist, pressure treated 3/4" flooring. Even the walls base is pressure treated. Add the Pressure treated Smart Siding and you have a long lasting shed, mini garage at an affordable price! Order Yours Today.