Test Results

Here are some of our most recent tests. To request copies or to access our database of over 400 tests, please use our Sample Requests & Test Results Page

5.5″ Concrete

AssemblyDetailCeilingFinishConcreteIICSTCDescriptionIIC ReportSTC ReportDate
5.5″ concreteQT4002Quarry TileYesNoIIC 51STC 56Quarry tile, QT4002, 5.5″ thick slab, Epicore MSR floor pans, GenieClips, hat channel, 1 layer Type X GWB700906350090416/25/09

6″ Concrete

AssemblyDetailCeilingFinishConcreteIICSTCDescriptionIIC ReportSTC ReportDate
6″ concreteQT4005Vinyl SheetNoNoIIC 53N/A6″ Concrete Floor/Ceiling Assembly Overlaid with vinyl over Underlayment 75 PSF7007066N/A7/16/07
6″ concreteQT4002LVTNoNoIIC 50STC 542.5mm Expona LVT, ECOsilence/QT4002, 6″ slab, no ceilingC8707 02-113-11-R1C8707 02-113-11-R17/16/13
6″ concreteQT4005LVTNoNoIIC 52STC 542.5mm Expona/LVT, QT4005 ECOsilence Base 5, 6″ slab, no ceilingC8707 03-113-11-R1C8707 03-113-11-R17/16/13
6″ concreteQT4010LVTNoNoIIC 55STC 542.5mm Expona LVT, QT4010/ECOsilence Base 10, 6″ slab, no ceilingC8707 04-113-11-R1C8707 04-113-11-R17/16/13
6″ concreteQT3025.7 x2PlywoodNoNoIIC 60STC 612 layers plywood, 2 layers QT3025-7, on 6″ slabC8457 01-113-11-r0C8457 01-113-11-r06/3/13

7″ Concrete

AssemblyDetailCeilingFinishConcreteIICSTCDescriptionIIC ReportSTC ReportDate
7″ concreteQT4005Ceramic TileNoN/AIIC 51N/ACeramic Tile over 5mm QT4005, 7″ post-tension slabWEAL 0N/A5/1/02
7″ concreteQT4002LVTNoN/AIIC 52STC 57Expona LVT, Gerbert2525, QT4002, EGripIII, 7″ concrete slab (14-day adhesive cure). 1 day adhesive cure got IIC 50.C6377.01-113-11C6377.01-113-113/13/13
7″ concreteQT4002BambooNoNoIIC 54STC 55Bamboo, QT4002, 7″ concrete slab, no ceiling.C5673.01-113-11C5673.01-113-112/15/13
7″ concreteQT4005BambooNoNoIIC 54STC 55Bamboo, QT4005, 7″ slab, no ceilingC5673.02-113-11C5673.02-113-112/15/13
7″ concreteQT4002LaminateNoNoIIC 58STC 56Laminate, QT4002, 7″ slabC5673.01-113-11C5673.01-113-112/15/13
7″ concreteQT4005LaminateNoNoIIC 58STC 55Laminate, QT4005, 7″ slab, no ceilingC5673.02-113-11C5673.02-113-112/15/13
7″ concreteQT4005Engineered WoodNoN/AFIIC 58N/A1/2″ thick engineered wood, QT 4005, 7″ concrete, plaster ceiling surface direct appliedWEAL 3701-009N/A4/29/04

8″ Concrete

AssemblyDetailCeilingFinishConcreteIICSTCDescriptionIIC ReportSTC ReportDate
8″ concreteQT4006Porcelain TileNoNoIIC 52N/A8″ Concrete Slab Overlaid with Porcelain Tile over QT7002032N/A6/4/02
8″ concreteQT4005Ceramic TileYesN/AFIIC 60ASTC 52Ceramic Tile over QT 4005, 8″ post tension concrete, no insulation, armstrong short span grid, 5/8″ type ”x” gypsum boardWEAL 4209-001WEAL 4209-001N/A
8″ concreteQT4010Ceramic TileNoN/AFIIC 53N/ACeramic Tile, 8″ thick post tension slab, no perimeter isoWEAL 3701-027N/A1/3/06
8″ concreteQT4012Ceramic TileYesNoFIIC 65N/ACeramic Tile, QT 4012, 8″ Structural Slab, 1″ fg insulation, Genie Clip, 2 layers 5/8″ gypsum board90119N/A1/19/09
8″ concreteQT4005Quarry TileNoNoIIC 50N/A1 layer unglazed quarry tile w/grout & mortar, 1 layer QT4005, 8″ reinforced concrete slab 102.4 PSF7006028N/A6/6/06
8″ concreteQT4005Quarry TileYesNoIIC 57STC 62Quarry Tile, QT 4005, 8″ reinforced concrete slab, drywall suspension system ( type X, hat channel, RSIC-1, batt) 85.6 PSF7006099500606712/14/06
8″ concreteQT4010Quarry TileNoN/AIIC 53STC 548″ Concrete Floor/Ceiling Assembly Overlaid with Quarry Tile over QT 102.4 PSF700603250060206/20/06
8″ concreteQT4010Quarry TileYesNoIIC 60STC 62Quarry tile, QT4010. 8″ slab, fg batt insulation, genieclips, metal hat channels, 1 layer Type X GWB700808650080356/25/08
8″ concreteQT4012Quarry TileNoNoIIC 55N/A1 layer unglazed quarry tile w/grout & mortar, 1 layer QT4012, 8″ reinforced concrete slab 102.4 PSF7006029N/A6/6/06
8″ concreteQT4002BambooNoNoIIC 53 N/A1 layer Green Choice Bamboo flooring, 1 layer QT 4002, 8″ reinforced concrete slab (100.0 PSF)7012004N/A4/5/12
8″ concreteQT4005LaminateNoNoFIIC 61N/AGammapar laminate? glue down, 8″ thick post tension slab, no perimeter isoWEAL 3701-027N/A1/3/06
8″ concreteQT4002WEngineered WoodNoNoIIC 54STC 538″ Concrete w/Oil Coated Engineered Wood over QT 85.6 PSF7005072500503411/8/05
8″ concreteQT4005Engineered WoodNoNoFIIC 59N/AEngineered wood, QT 4005, 8″ thick cast in place concreteWEAL 3701-029N/A3/25/07
8″ concreteQT4002HardwoodYesNoIIC 72STC 728″ Concrete Slab over Insulated Plenum and Gypsum Board Ceiling Overlaid with Wood Flooring over QT700400450040012/11/04
8″ concreteQT4010HardwoodNoNoFIIC 60N/ABoen hardwood (floating), 8″ thick post tension slab, no perimeter isoWEAL 3701-027N/A1/3/06
8″ concreteQT3010.5HardwoodYesNoFIIC 66ASTC 573/4″ oak, 2 layers 3/8″ plywood at 90 degree angles glued and screwed, QT 3010.5, 8″ post tension concrete, NO insulation, armstrong short span grid, 5/8″ type ”x” gwbWEAL 4209-001WEAL 4209-001N/A
8″ concreteQT3010.5Gypsum concreteYes1.5″FIIC 70ASTC 631-1/2″ 3310 Gypsum concrete, snap panel, rFoil BFB, QT 3010.5, 8″ post tension concrete, no insulation, armstrong short span grid, 5/8″ type ”x” gwbWEAL 4209-001WEAL 4209-001N/A

Wood Joist

AssemblyDetailCeilingFinishConcreteIICSTCDescriptionIIC ReportSTC ReportDate
Wood JoistQT3006-3Stone TileYesYesIIC 51STC 57Wood Joist Floor/Ceiling Assembly with Stone Tile, Gypsum Concrete & QT700300450030011/31/03
Wood JoistQT4005Quarry TileYesN/AIIC 56N/AQuary Tile, QT4005, 1/2″ cement backerboard, 5/8″ T&G pwd subfloor, 1/2″ pwd subfloor, wood I joists, RC channel, 3″ insul, 2 layers 1/2″ Type X wallboard7002038N/A7/19/02
Wood JoistQT4010Quarry TileYesN/AIIC 59N/AQuarry Tile, QT4010, 1 layer 1/2″ cement backerboard, 5/8″ T&G pwd subfloor, 1/2″ pwd subfloor, wood I joists, RC channel, 3″ insul, 2 layers 1/2″ type X wallboard7002041N/A7/19/02
Wood JoistQT4005Vinyl SheetYes1″IIC 53N/ATJI Floor/Ceiling Assembly with Vinyl, Gypsum Concrete, & QT, 2″x10″ I joists, 2 layers GWB7003005N/A1/30/03
Wood JoistQT3006-3Vinyl SheetYesYesIIC 53N/AWood Joist Floor/Ceiling Assembly with Vinyl, Gypsum Concrete & QT7003003N/A1/31/03
Wood JoistQT4005 x2Vinyl SheetYesYesIIC 55STC 61Wood Joist Floor/Ceiling Assembly with Vinyl, QT4005, Gypsum Concrete, & QT40057002061500201412/31/02
Wood JoistQT4005 & QT3006-3VinylYesYesIIC 57N/AWood Joist Floor/Ceiling Assembly with Vinyl, QT4005, Gypsum Concrete & QT3006-37003007N/A1/31/03
Wood JoistQT4005HardwoodYes1″IIC 51N/AWood Joist Floor/Ceiling Assembly with Oak Flooring, Gypsum Concrete & QT, resilient channel, 1 layer GWB7002053N/A12/31/02
Wood JoistQT3006-3HardwoodYesYesIIC 54N/AWood Joist Floor/Ceiling Assembly with Oak Flooring, Gypsum Concrete & QT7003002N/A1/31/03
Wood JoistQT3006-3Gypsum ConcreteYesYesIIC 53N/AWood Joist Floor/Ceiling Assembly & Gypsum Concrete7002063N/A12/31/02
Wood JoistQT3017.8Carpet and PadNoYesFIIC 81N/ACarpet with 6 lb rebond pad, 1.5″ Hacker Firm Fill gypsum concrete, QT 3017.8 (no perimeter iso), 3″ wood deck, supporting steal beams and woodWEAL 3701-036N/A8/28/07

Wood Truss

AssemblyDetailCeilingFinishConcreteIICSTCDescriptionIIC ReportSTC ReportDate
Wood TrussQT4002VinylYes3/4″FIIC 60ASTC 58Vinyl, 3/4″ Hacker firm fill gyp-crete, QT4002, 3/4″ T&G plywood, 24″deep open web trusses 24″ oc, batt insulation, Dietrich RC at 16″ oc, 5/8″ type ”c” gwbWEAL 3701-054N/A6/9/10
Wood TrussQT3006-3Vinyl TileYes1″FIIC 63N/AVinyl, 1″ Hacker Firm Fill gypsum concrete, Hacker Sound Mat 2, 3/4″ T&G pwd, 24″ deep open web trusses @ 24″ oc, full cav batt insul, 1/2″ RC @ 16″ oc, 5/8″ type ”c” gypsumWEAL 3701-051N/A5/21/09
Wood TrussExpona + QT4002LVTYes1″IIC 50STC 632.5mm LVT, 1″ gypsum concrete, QT4002, wood truss, 1 layer Type C GWB, polyflorC8706 05-113-11-R0C8706 05-113-11-R07/25/13
Wood TrussExpona + QT4002x2LVTYes1″IIC 52STC 63“2.5mm Expona LVT, QT4002, 1″ gypsum concrete, QT4002, wood truss, RC deluxe, 1 layer Type C GWB polyflor”C8706 02-113-11-R0C8706 02-113-11-R07/25/13
Wood TrussExpona + QT4005LVTYes1″IIC 53STC 632.5mm Expona LVT, QT4005, 1″ gypsum concrete, QT4002, wood truss, RC deluxe, 1 layer Type C GWB, polyflorC8706 03-113-11-R0C8706 03-113-11-R07/24/13
Wood TrussExpona + QT4010LVTYes1″IIC 53STC 632.5mm Expona LVT, QT4010, 1″ gypsum concrete, QT4002, wood truss, RC deluxe, 1 layer Type C GWB, polyflorC8706 04-113-11-R1C8706 04-113-11-R07/24/13
Wood TrussQT4002LaminateYes1″IIC 53STC 637mm Kaindle Classic Touch laminate, 25.4mm Hacker Firm-Fill 3310, QT4002, 5/8-3/4″T&G OSB subfloor, 16″ depth parallel chord truss, 24″ oc, 3.5″ fiberglass batt insulation, RC Deluxe RC, 1 layer 5/8″ type C USG SheetrockC7016 01-113-11-r0N/A6/17/13