QuietDown Acoustic Underlay

Floor CoveringQuietDown TypeΔ IIC
3/4" HardwoodQuietDown Max 2mm23
QuietDown Premium 2mm21
3/8" Engineered WoodQuietDown Max HB 7mm22
QuietDown Premium 2mm20
12 x 12 Ceramic TileQuietDown Max HB 2.5mm14
QuietDown Premium 4mm16
QuietDown Premium 2mm15

Per ASTM E492-09, 6" Concrete slab, no ceiling

Floor Type Ceiling Floor Covering QuietDown Type IIC / FIIC STC / FSTC
6" Concrete SlabNoBareNone27
NoWoodQuietDown Max 3.2mm4852
NoTileQuietDown Max HB 3.2mm4352
NoLaminateQuietDown Max 2mm4950
7.5" Concrete SlabNoWoodQuietDown Max HB 4mm54
NoTileQuietDown Max HB 4mm52
8" Concrete SlabNoLaminateQuietDown Max 2mm58
NoWoodQuietDown Max 4mm6260
NoWoodQuietDown Max 3.2mm6159
NoTileQuietDown Max HB 4mm4864
Metal Pan Steel
Joist Deck
YesWoodQuietDown Max HB 4mm55
YesTileQuietDown Max HB 4mm51

Per ASTM E1007, E989, E336, E90, C423, E413, E492, and E2179, field and laboratory tests

Note: The results contained herein were obtained from a representation of a typical batch of materials. Batch to batch variation is expected and is normal in the manufacturing process. KN Rubber LLC makes no representations nor warranties and there are no conditions with respect to the accuracy, reliability, or applications of the information contained herein, its products or the safety or suitability thereof, or results obtained, whether expressed or implied, including, without limitation, any implied warranty or merchantability or fitness for a particular purpose. Buyers and users must determine the results to be obtained from the application of the information herein and assume all risk, responsibility, and liability for all injuries, losses, or damages arising from the application of the information or use of KN Rubber's products, whether or not occasioned by KN Rubber's negligence or based on strict product liability. KN Rubber neither assumes, nor authorizes any person to assume for it, any liability in connection with the use of the information contained herein of its products.