Steel Deck

Product	LEVELROCK® CSD™ Floor Underlayment	LEVELROCK® CSD™ Early Exposure™ Floor Underlayment
Description	Designed for use in buildings with light-gauge steel frame construction and as a non-structural underlayment in corrugated steel deck systems. Underlayment is up to 55% lighter than 3" of concrete with a 120 lb. density.	Designed for earlier pours in buildings with light-gauge steel frame construction and as a non-structural underlayment in corrugated steel deck systems. Underlayment is up to 55% lighter than 3" of concrete with a 120 lb. density.
Physical Properties
	CSD™ Floor Underlayment	CSD™ Early Exposure™ Floor Underlayment
Strength (psi)	3,500-4,000^a	3,500-5,000^a
Density, dry (lbs./cu.ft.)	120-125	120-125
Weight (lbs./sq.ft. at 3/4" thickness)	7.2-7.5 (12.8 at 1-9/16" thickness)	7.2-7.5 (12.8 at 1-9/16" thickness)
Building Type
	CSD™ Floor Underlayment	CSD™ Early Exposure™ Floor Underlayment
Single Family
Multifamily	•	•
Light Commercial	•	•
Commercial / Retail Office	•	•
Hotel / Motel	•	•
Institutional	•	•
Warehouse
Subfloor Type
	CSD™ Floor Underlayment	CSD™ Early Exposure™ Floor Underlayment
Plywood
Heavy Wood Plank
Corrugated Deck	•	•
Concrete
Concrete Plank
Concrete Repair / Leveling
Radiant Heat

Notes:
(a) Tested according to ASTM C472 modified