Acoustical Testing
Accurate, independent third party testing is critical to meet the regulatory requirements of green construction codes for all types of buildings. At U.S. Rubber we take the growing concern regarding the effect sound has on human performance and living conditions seriously. Please see the summary matrix below and click on the green button to explore our library of test results conducted by Intertek.
Impact insulation class (IIC) is an integer-number rating of how well a building floor attenuates impact sounds, such as footsteps. A higher number means more attenuation. One should note, however, that all IIC ratings are not equal. When comparing the acoustical performance of QuietSound® to other acoustical underlayments, it is critical to note the composition of the products (e.g., rubber (resilient), cork (not resilient) or foam (not resilient)) and the subfloor/flooring assembly of the testing. Unless the test assemblies are identical, it’s an “apples to oranges” comparison that will yield an inaccurate conclusion.
An IIC rating of 50 and above is most common in building code and HOA requirements.
The Delta IIC rating is the best sound rating to consider when comparing the performance of different types of underlayment. It keeps the manufacturers from promoting misleading results obtained by using materials or methods of isolation that the average assembly does not use. This test is only relevant for concrete subfloors.
Please see the summary matrix below and click on the green button to explore our library of test results conducted by Intertek.
Underlayment | Flooring Type | Description | STC | IIC | ΔIIC |
Reports # |
2mm QuietSound® | Hardwood | 2mm quick step wood plank flooring | 51 | 56 | 23 | J6659.02‐303‐11 |
LVT | 2.05mm Shaw Luxury Vinyl Plank | 57 | 50 | 19 | J9499.01‐303‐11 | |
3mm QuietSound® | LVT | 8.2mm Max Core by Provenza | 62 | 67 | N/A | H4163.04‐303‐11 |
LVT | 8.2mm Max Core by Provenza | 54 | 56 | 23 | H4163.11‐303‐11 | |
LVT | 8.2mm Max Core by Provenza | 61 | 65 | N/A | H4163.16‐303‐11 | |
LVT | 8.2mm Max Core by Provenza | 51 | 54 | 24 | H4163.23‐303‐11 | |
LVT | 3.93mm Shaw Luxury Vinyl Plank | 55 | 57 | 23 | J9498.01‐303‐11 | |
Tile | 7.98mm Daltile Ceramic Tile | 63 | 62 | N/A | H4163.09‐303‐11 | |
Tile | 8mm Daltile Ceramic Tile | 57 | 49 | 18 | H4163.10‐303‐11 | |
Tile | 7.98mm Daltile Ceramic Tile | 63 | 62 | N/A | H4163.21‐303‐11 | |
Tile | 7.98mm Daltile Ceramic Tile | 54 | 47 | 19 | H4163.22‐303‐11 | |
Tile | 7.98mm Daltile Ceramic Tile | 56 | 50 | 18 | H4163.32‐303‐11 | |
Tile | 7.98mm Daltile Ceramic Tile | 55 | 46 | 17 | H4163.33‐303‐11 | |
5mm QuietSound® | Hardwood | 15.3mm Old World by Provenza | 63 | 65 | N/A | H4163.08‐303‐11 |
Hardwood | 14.4mm UA Floors Parisian Collection Oak Engineered Wood Floor | 53 | 52 | 22 | I6748.01‐303‐11 | |
Hardwood | 6.77mm Quick Step Wood Plank Flooring | 53 | 57 | 24 | J6659.01‐303‐11 | |
LVT | 8.05mm Armstrong Luxe Plank Luxury Vinyl Flooring | 54 | 53 | 21 | H3852.01‐303‐11 | |
LVT | 8.05mm Armstrong Luxe Plank Luxury Vinyl Flooring | 54 | 54 | 22 | H3852.02‐303‐11 | |
LVT | 8.18mm Max Core by Provenza | 53 | 58 | 24 | H4163.01‐303‐11 | |
LVT | 8.2mm Max Core by Provenza | 62 | 67 | N/A | H4163.05‐303‐11 | |
LVT | 8.2mm Max Core by Provenza | 60 | 66 | N/A | H4163.17‐303‐11 | |
LVT | 8.2mm Max Core by Provenza | 50 | 55 | 24 | H4163.25‐303‐11 | |
LVT | 7.8mm Paradigm Extruded Waterproof Core Luxury | 55 | 43 | N/A | I5320.01‐303‐11 | |
Tile | 8mm Daltile Ceramic Tile | 56 | 51 | 19 | H4163.02‐303‐11 | |
Tile | 8mm Daltile Ceramic Tile | 63 | 66 | N/A | H4163.03‐303‐11 | |
Tile | 8mm Daltile Ceramic Tile | 55 | 46 | 18 | H4163.14‐303‐11 | |
Tile | 7.98mm Daltile Ceramic Tile | 63 | 51 | N/A | H4163.15‐303‐11 | |
9mm QuietSound® | Hardwood | 15.3mm Old World by Provenza | 60 | 49 | N/A | H4163.18‐303‐11 |
Hardwood | 12.3mm Affinity Engineered Hardwood by Provenza | 57 | 52 | 19 | H4163.30‐303‐11 | |
Hardwood | 15.3mm Old World by Provenza | 60 | 53 | N/A | H4163.34‐303‐11 | |
Tile | 7.73mm Daltile Porcelain Tile | 56 | 52 | N/A | J6402.01‐303‐11 | |
10mm QuietSound® | Hardwood | 10.48mm Heriloom Engineered Hardwood by Provenza | 63 | 65 | N/A | H4163.06‐303‐11 |
Hardwood | 15.14mm Studio Moderno Engineered Wood by Provenza | 55 | 51 | 18 | H4163.12‐303‐11 | |
Hardwood | 15.3mm Old World by Provenza | 62 | 61 | N/A | H4163.19‐303‐11 | |
Hardwood | 15.3mm Old World by Provenza | 54 | 49 | 20 | H4163.26‐303‐11 | |
Hardwood | 15.07mm Volterra Engineered Hardwood by Provenza | 60 | 48 | N/A | H4163.28‐303‐11 | |
Hardwood | 15.4mm Brentwood White Oak Plank | 57 | 52 | 19 | J1061.01‐303‐11 | |
Hardwood | 15.4mm Brentwood White Oak Plank | 56 | 54 | 21 | J1063.01‐303‐11 | |
Tile | 7.7mm Daltile Porcelain Tile | 54 | 50 | N/A | J6402.02‐303‐11 | |
12mm QuietSound® | Hardwood | 15.3mm Old World by Provenza | 63 | 64 | N/A | H4163.07‐303‐11 |
Hardwood | 15.3mm Old World by Provenza | 57 | 52 | 19 | H4163.13‐303‐11 | |
Hardwood | 15.3mm Old World by Provenza | 62 | 62 | N/A | H4163.20‐303‐11 | |
Hardwood | 15.3mm Old World by Provenza | 55 | 49 | 19 | H4163.27‐303‐11 | |
Hardwood | 15.3mm Old World by Provenza | 60 | 50 | N/A | H4163.29‐303‐11 |