What type of underlayment is used for flooring?

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Accepted Answer

The type of underlayment depends on the type of flooring being installed and its location. Options include 2MM membrane (for sound dampening on ground and second floors), vapor barrier membrane (for basements to block moisture and for soundproofing/comfort), 6MM membrane (for double-glued carpet installations, acting as a base), and 7lbs membrane (for stretched carpet installations, acting as a base).