There is a small air gap allowing to absorb more “sound… 5mm Vinyl Flooring … … Shaw's resilient vinyl flooring is the modern choice for beautiful & durable floors. Make sure this fits by entering your model number. I installed 600 square feet of 8 mm engineered vinyl plank flooring from lumber liquidators that is making the crackling noises. When installing vinyl plank flooring over existing floor materials, underlayment may not be required, but it can help with cushioning and sound reduction. This fits your . Currently unavailable. Soundproof vinyl flooring plank IF-LVT-5.0/10-38 48-inch by 7.25-inch loose lay floor 10P by iFloor. With floating wood floors such as laminate, floating bamboo, rigid PVC core vinyl planks and wood/plastic; the underlayment is not attached to the subfloor or floor. Why People Use Underlayment People turn to underlayment for comfort underfoot, sound … I installed a thicker underlayment pad (Quiet Walk) recommended for vinyl plank. We don't know when or if this item will be back in stock. In all vinyl applications, we recommend AcoustaMat 930 cork and rubber for the best results as vinyl is an impressionable surface … Vinyl Soundproof Flooring AcoustaMat 930 Density - Cork and Rubber. Wide variety of patterns & colors, in plank flooring & floor tiles.