formulations are used to level and resurface damaged or out-of-level floors. Spex•Crete also provides G5 lightweight additives and Spex•Lite ultra light filler beads that act as non-hazardous sand replacements in cementitious systems. These products are intended for contractors and manufacturers who need pumpable, lightweight floor underlayments and fillers. Typical applications include commercial and residential floor leveling, deep fill areas, and preparation of substrates for subsequent floor coverings.