Rapid Floor® Systems                    
ULTRA TECHNICAL DATA SHEET

Compressive
Strength Range
2500-4000 psi
(17.2-27.4 MPa)
Installed Weight 3/8" (10 mm) = 3.5 lb/ft²
(15.9 kg/m²)
1" (25 mm) = 9.2lb/ft²
(42.4 kg/m²)
Dry Density 115-120 lbs/ft³
(1840-1900 kg/m³)
K-Factor 5.2 Btu-inch/hour-°F-ft²
(.74 W/[m• °C])
Specific Heat 0.25 Btu/lb- °F
(.94 kJ[kg• °C])
Surface Burning
Characteristics
Flame spread: 0
Fuel contributed: 0
Smoke Density: 0
Point Loading Typical loading of up to
3500 lbs. (1590 kg) on a
1" (25.4 mm) dia. disk @ 0.007" max. indentation
USGBC LEED Credit Areas
 Impacted by Rapid Floor Ultra Underlayment
Project Category Credit
Indoor Environmental Quality Low Emitting Materials EQ 4.1

<0.24 mg/m3
GREENGUARD
Indoor Air Quality Certified®


Materials & Resources Recycled Content
Local/Reg. Materials
Local/Reg. Materials

MR 4.1 ‑ 4.2
MR 5.1
MR 5.2

Fly Ash
Blue Rapids, KS 66411
Las Vegas, NV 89035
Camden, NJ  08103
Brunswick, GA  31520
Job site manufactured with local sand & water


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