Subfloor Prep
ULC-500 LevelSeal
Two-Component Self-Leveling Compound
STAUF ULC-500 Level-Seal is a two-component urethane leveling compound capable of creating a moisture barrier of up to 18# CC or 97% RH. Level-Seal provides STC and IIC and can be directly adhered to in just under 4 hours. The product must be applied at a minimum of 1/32 inch but can be applied up to 5 inch. ULC-500 is extremely durable and may be used in conjunction with other STAUF products.
Installation video below.
