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Rapid Set – LevelFlor® – Self-Leveling Underlayment


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Rapid Set LevelFlor is an advanced hydraulic cement based self-leveling Underlayment (SLU) that can be used both indoors and outdoors. It is ideal for both indoor and outdoor use, and durable in wet and dry environments. LevelFlor offers a quick and economical solution, and is an excellent choice for new floor projects as well as repair projects.

LevelFlor rapidly levels, maintains workability for 30 minutes and produces a flat, strong surface with high bond strength. Perfect for floor projects that require long flow life and working time while achieving high 24 hour strength. LevelFlor can be covered with finished flooring in 6 to 16 hours at 70˚F (21˚C) depending on the flooring type.

Typical Uses

Use Rapid Set LevelFlor when a high quality, fast-setting, self-leveling underlayment is needed. LevelFlor is ideal for all floor projects that need long flow life and working time while achieving high 24-hour strength. LevelFlor is an excellent choice for new floor projects and repair projects.


Apply LevelFlor with a minimum thickness of 1/8″ (3 mm) over the highest point and a maximum thickness of 2″ (5.1 cm). For thicknesses greater than 2″ (5.1 cm), extend each 50-lb (22.7-kg) bag with 25 lb (11.3 kg) of clean, dry 3/8″ (0.95 cm) pea gravel. When extended with aggregate, LevelFlor may be placed up to 5″ (12.7 cm) thick.


Coverage is 24 ft2 to 30 ft2 (2.2 m2 to 2.8 m2) at 1/4″ (0.6 cm) thickness and 12 ft2 to 15 ft2 (1.1 m2 to 1.4 m2) at 1/2″ (1.3 cm) thickness for flat surfaces.


LevelFlor is available in 50-lb (22.7 kg) polyethylene-lined bags.


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