Should you use faced or unfaced batt insulation in the basement?

In a basement, unfaced batt insulation is generally recommended because it allows for proper moisture control and ventilation, which is crucial in areas prone to dampness. Faced insulation, which has a vapor barrier, can trap moisture against the walls, leading to mold and mildew issues. However, if the basement is fully conditioned or part of a heated living space, faced insulation may be appropriate. Always consider the specific conditions and local building codes when deciding which type to use.