Acoustic Lab Ratings

STC & IIC Lab Tests: Below please find links to a sampling of our acoustic lab tests. These tests are performed at NVLAP-certified laboratories in accordance with ASTM E90 and ASTM E492. Additional field and lab tests are available upon request.

Wall Assemblies – STC Lab Testing

Wall Assembly DescriptionSTC RatingApplicationMetal StudWood StudTotal Drywall Layers
2×4 Wood Stud 1+1 Drywall with Wall Blokker41ResidentialX2
25 Gauge Metal Stud 16in o.c. 1+1 Drywall with Wall Blokker52Apartments, CondosX2
20 Gauge Metal Stud 24in o.c. 1+1 Drywall + Wall Blokker Lite52Apartments, Condos2
2×4 Staggered Wood Stud 1+1 Drywall with Wall Blokker53Apartments, CondosX2
2×4 Staggered Wood Stud 2+2 Drywall with Wall Blokker55Apartments, CondosX4
25 Gauge Metal Stud 24in o.c. 1+1 Drywall with Wall Blokker Lite55Apartments, Condos, HotelsX2
25 Gauge Metal Stud 24in o.c. 1+1 Drywall with Wall Blokker56Apartments, Condos, HotelsX2
14 Gauge Metal Stud 24in o.c. 2+2 Drywall with Wall Blokker Pro56Modular ConstructionX4
12 Gauge Metal Stud 24in o.c. 2+2 Drywall with Wall Blokker Pro57Modular ConstructionX4
18 Gauge Double Metal Stud 24in o.c. 1+1 Drywall with Wall Blokker Each Side61Movie Theater, IndustrialX2
25 Gauge Metal Stud 24in o.c. 2+2 Drywall with Wall Blokker Each Side62Movie Theater, IndustrialX4
18 Gauge Double Metal Stud 24in o.c. 1+1 Drywall with Wall Blokker Each Side63Movie Theater, IndustrialX3
18 Gauge Double Metal Stud 24in o.c. 2+1 Drywall with Wall Blokker Each Side65Movie Theater, IndustrialX3
18 Gauge Double Metal Stud 24in o.c. 2+1 Drywall with Wall Blokker Each Side (3″ Air Gap)67Movie Theater, IndustrialX3

Floor Assemblies: STC & IIC Lab Testing

Floor Assembly DescriptionIIC RatingSTC RatingUnderlaymentCeiling Assembly
Ceramic Tile on 6in Concrete Floor51Floor BlokkerN
Ceramic Tile on 6in Concrete Floor with Ceiling Assembly53Floor BlokkerY
Luxury Vinyl Tile (LVT) on Wood Truss with Ceiling Assembly – Double Glue5362Floor BlokkerY
Engineered Hardwood on Wood Truss with Ceiling Assembly55Floor BlokkerY
Luxury Vinyl Tile (LVT) on Wood Truss with Ceiling Assembly – Single Glue5562Floor BlokkerY
Luxury Vinyl Tile (LVT) on 6in Concrete Floor5650Floor BlokkerN
Luxury Vinyl Tile (LVT) on 6in Concrete Floor with Ceiling Assembly7060Floor BlokkerY
Laminate on 6in Concrete55Floor Blokker LiteN
Engineered Hardwood on 10″ Hollow Core Plank with Ceiling Assembly57612mm AcoustiStepY
Laminate on 6in Concrete with Ceiling Assembly602mm AcoustiStepY
Engineered Hardwood on 10″ Hollow Core Plank with Ceiling Assembly58615mm AcoustiStepY
Hardwood on 6in Concrete555mm AcoustiStepN
Ceramic Tile on 6in Concrete50545mm AcoustiStepN
Ceramic Tile on 6in Concrete with Ceiling62635mm AcoustiStepY
Ceramic Tile on 8in Concrete52535mm AcoustiStepN
Ceramic Tile on 8in Concrete with Ceiling63645mm AcoustiStepY
*Laminate on 6in Concrete503mm Silent Pace ProN
*Laminate on 6in Concrete with Ceiling Assembly673mm Silent Pace ProY
*Laminate on Wood Joist with Ceiling Assembly533mm Silent Pace ProY
*Hardwood on 6in Concrete with Ceiling Assembly573mm Silent Pace ProY
*Hardwood on 6in Concrete54GypStep BlokkerN
*Hardwood on 6in Concrete with Ceiling Assembly68GypStep BlokkerY
*Hardwood on Wood Joist with Ceiling Assembly57GypStep BlokkerY

*Lab Tests available upon request