
Project Source 100-sq ft 3.34-ft W x 30-ft L x 2 -mm T Standard Foam Moisture Resistant Flooring Underlayment For Use Under Laminate, Hardwood
Is underlying necessary
1
Thank you for this great question! Absolutely a quality underlayment is necessary for a laminate or engineered hardwood. It helps protect the joints and locking system, smoothes out subfloor imperfections, improves sound of the floor in room and below, adds a thermal break for a warmer more comfortable floor and most importantly provide moisture protection as required by flooring manufacturers.
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