Project Source 3.34-ft W x 30-ft L x 1 T Standard Polypropylene Moisture Resistant Flooring Underlayment (100-sq ft / (Roll) 2x8x8 The coupling connects two pieces

The coupling connects two pieces of PEX

This product is not recommended for exterior projects or treated lumber

rust and intermittent heat

pipe or inside 4 in

Project Source 3.34-ft W x 30-ft L x 1 T Standard Polypropylene Moisture Resistant Flooring Underlayment (100-sq ft / (Roll) 2x8x8 The coupling connects two piecesProject Source 1mm acoustical advanced underlayment is a closed cell foam underlayment that provides excellent sound reduction and moisture protection under floating luxury vinyl plank and tile. It is compatible with LVT, LVP, MLF flooring. Approved for use with all LVP flooring with and without attached underlayment sold at LOWES Acoustic advanced underlayment provides sound reduction Closed cell foam underlayment provides moisture protection