Levelrock® Brand 2500 LFD Floor Underlayment

USG Levelrock® Brand 2500 LFD Floor Underlayment is the industry's first lightweight and fast-drying gypsum floor underlayment. With a formulation that's 18% lighter, USG Levelrock® 2500 LFD Floor Underlayment is easier to handle on jobsites while drying up to 40% faster than conventional weight gypsum underlayments. USG Levelrock® 2500 LFD Floor Underlayment is UL Classified and approved for use in fire-rated assemblies.