DELTA 105-sq ft Standard Flooring UnderlaymentFast and easy to install Non allergenic Creates a sealed vapor barrier subfloor that prevents moisture rise and makes basements feel warm and dry Laminates can be installed directly on DELTA FL Provides a strong, even subfloor Makes floors feel warmer Offers minimal reduction in headroom; adds only 5 16 in (8 mm) height to the floor Features Square Footage Per Roll (Sq. Feet) 105 Grade Standard Collection Name N A Thickness Unit of Measure Inches