NXT Level Flow is a cement-based, pump-friendly, high-flowing,easy-to-use underlayment for leveling interior substrates. It produces a flat, smooth, and hard surface for the installation of finished flooring. Product #: 0903-0050-21 Packaging Sizes: 50LB (22.7KG) BAG / 56 per pallet - Standard Part #: 0903-0050-21 Features & Benefits High-flowing and easy-to-use Can be placed from 1/8" to 2" and tapered to zero at the edges Pourable and pumpable Inorganic; will not contribute to mold/mildew growth Suitable surface for most finished floor goods after 48 hours Can be applied directly over concrete testing at RH of 100% or less per ASTM F2170 Can be applied over Gypsum based substrates Additional Product Information Click for Product Data Sheet Click for Safety Data Sheet Click for Greenguard Certification