Official Website for VC300 Underlay for Vinyl Resilient Flooring

Acoustical Tests


   
 
 Note: The Δ IIC is a new ASTM test that measures the improvement in decibels. Example a Δ IIC 21 would mean a 21 point  improvement .  The Δ IIC tests is only tested on a 6" concrete slab with no ceiling below.

 

Product Floor / Ceiling Assembly Description Floor Covering IIC Rating Test #
VC300 6" concrete slab with no ceiling below 2mm vinyl sheet IIC 50 VC3A
VC300 6" concrete slab with no ceiling below 2mm vinyl sheet Δ IIC 22 VC3A
VC300 Wood frame construction 2 x 16" - 24" centers, 5/8" T&G plywood w/ 1 1/2" lightweight concrete topping-  batt insulation, RC-1 channel, 5/8" GWB 2mm vinyl sheet IIC 55 VC4B
VC300 Metal frame construction 8" Dietrich TradeReady Floor Joist @ 24" o.c.  - 9/16" metal form w/ 1 9/16" gypsum concrete, WAVE Suspended Drywall Ceiling Grid, 3-1/2" Fiberglass Batt Insulation, 1 Layer 5/8" Type C Gypsum Sheathing,  + 1 Layer 1/2" Type X Gypsum Sheathing 1/8" Armstrong VCT IIC 51 VCVT
VC300 10" concrete slab with no ceiling below 2mm vinyl strip FIIC 64 VCFA