Rapid Radiant® Technical Data Sheet

Compressive
Strength Range
2000 - 3000 psi (14 - 21 MPa) when tested in
accordance with modified ASTM C 472.
Installed Weight 1-1/4" (32mm) = 12.7 lb/ft2
(58.7 kg/m2)
Dry Density 115 lbs./ft3
(1840 kg/m3 )
K-Factor 4.96 Btu · in/(h·ft2·°F)
(.7142 W/[m·°C])
Specific Heat .224 Btu/(lb·°F) at 85°F 
(.9385 kJ[kg·°C] at 29.44 ·°C)
Acoustical Performance The acoustical performance of Rapid Radiant ® is 
similar to Rapid Floor® Underlayment. Contact 
Rapid Floor Systems for reports.
Surface Burning
Characteristics
Flame spread index - 0, fuel contributed - 0, 
smoke development - 0. (ASTM E 84)
Point Loading Typical loading of up to 2500 pounds (1134 kg) 
on a 1" (25.4 mm) diameter disk @ 0.007" max. indentation

Green' Information:

Sample USGBC LEED Credit Areas*
Project Credit Category How Requirement is Fulfilled
Indoor Environmental Quality IEQ 3.2 Air Quality Before Occupancy

GREENGUARD Certified (Field testing MUST be completed prior to claiming credit)

IEQ 4.3 Low Emitting Materials: Floor System GREENGUARD Children & Schools Certified
Materials & Resources MR 2 Construction Waste Management Recyclable packaging and shipping materials
MR 4 Recycled Content Fly Ash
MR 5 Local/Regional Materials Manufactured in Blue Rapids, KS 66411; Las Vegas, NV 89035; Camden, NJ 08103; Job site manufactured with local sand & water
Innovation & Design ID 1 Sound Control Enhanced living environment
*Credits may vary depending on project type and Maxxon products used.