SHD5798 Features: * Easy to lay, latch and cut * Fine-celled, extruded polystyrene foam * Offers excellent thermal insulation as well as excellent impact (transmitted) * In-room (reflective) sound insulation with a IIC 69 STC 66 rating * Corrects minor subfloor imperfections and cracks * Non-glued laminate floors against damage at the seams where floating floor locking systems can be compromised due to load pressure * Moisture and vapor proof with an advanced metalized protective moisture barrier * Eliminates the possibility of damage due to moisture or vapor penetration under normal installation conditions * Folding panels are easier to work with than roll-type underlayment * Panels lay flat and stay flat not curling up like roll-type underlayment * 100pct Recyclable * Square feet per roll: 100 Construction: * For use with Shaw engineered wood and laminate Dimensions: * Roll size: 4" W x 25" L * Thickness: 2 mm