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

Assembly Detail Finish Ceiling Concrete IIC STC Description IIC Report STC Report Date
5.5″ concrete QT4002 Quarry Tile Yes No IIC 51 STC 56 Quarry tile, QT4002, 5.5″ thick slab, Epicore MSR floor pans, GenieClips, hat channel, 1 layer Type X GWB 7009063 5009041 6/25/09

6″ concrete

Assembly Detail Finish Ceiling Gypsum
Concrete
IIC STC Description IIC Report STC Report Date
6″ concrete QT4005 LVT No No IIC 52 STC 54 2.5mm Expona/LVT, QT4005 ECOsilence Base 5, 6″ slab, no ceiling C8707 03-113-11-R1 C8707 03-113-11-R1 7/16/13
6″ concrete QT4005 Bamboo No No IIC 51 1 layer Green Choice Bamboo flooring, 1 layer QT 4005, 6″ reinforced concrete slab (75.0 PSF) 7012005 4/5/12
6″ concrete QT4002 LVT Yes No IIC 62 STC 62 2.5mm LVT, EGRIP Evolve, QT4002, EGRIP Evolve, 6″ slab, wire hangers, R13 insulation, Armstrong cross tee, 1 layer Type x GWB d7519 10-113-11-r0 d7519 10-113-11-r0 7/31/2014
6″ concrete QT4002 Porcelain Tile Yes No IIC 58 STC 62 7.2mm porcelain tile, latex modified mortar, QT4002, EGRIP Evolve, 6″ slab, wire hangers, Armstrong cross tee, R13 insulation, 1 layer Type X GWB d7519 09-113-11-r0 d7519 09-113-11-r0 7/24/2014
6″ concrete QT4002 Engineered Wood Yes No IIC 68 STC 62 Armstrong engineered wood loose laid over QT4002 loose laid, 6″ slab, Armstrong cross tee system, 1 layer Type X GWB d7519 11-113-11-r0 d7519 11-113-11-r0 7/31/2014

7″ concrete

Assembly Detail Finish Ceiling Concrete IIC STC Description IIC Report STC Report Date
7″ concrete QT4005 Ceramic Tile No FIIC 51 Ceramic Tile over 5mm QT4005, 7″ post-tension slab WEAL 0 5/1/02
7″ concrete QT4002 Bamboo No No IIC 54 STC 55 Bamboo, QT4002, 7″ concrete slab, no ceiling. C5673.01-113-11 C5673.01-113-11 2/15/13
7″ concrete QT4002 Laminate No No IIC 58 STC 56 Laminate, QT4002, 7″ slab C5673.01-113-11 C5673.01-113-11 2/15/13
7″ concrete QT4005 Engineered Wood No FIIC 58 1/2″ thick engineered wood, QT 4005, 7″ concrete, plaster ceiling surface direct applied WEAL 3701-009 4/29/04

8″ concrete

Assembly Detail Finish Ceiling Concrete IIC STC Description IIC Report STC Report Date
8″ concrete QT4006 Porcelain Tile No No IIC 52 8″ Concrete Slab Overlaid with Porcelain Tile over QT 7002032 6/4/02
8″ concrete QT4010 Ceramic Tile No FIIC 53 Ceramic Tile, 8″ thick post tension slab, no perimeter iso WEAL 3701-027 1/3/06
8″ concrete QT4005 Quarry Tile No No IIC 50 1 layer unglazed quarry tile w/grout & mortar, 1 layer QT4005, 8″ reinforced concrete slab 102.4 PSF 7006028 6/6/06
8″ concrete QT4010 Quarry Tile No IIC 53 STC 54 8″ Concrete Floor/Ceiling Assembly Overlaid with Quarry Tile over QT 102.4 PSF 7006032 5006020 6/20/06
8″ concrete QT4012 Quarry Tile No No IIC 55 1 layer unglazed quarry tile w/grout & mortar, 1 layer QT4012, 8″ reinforced concrete slab 102.4 PSF 7006029 6/6/06
8″ concrete QT4005 Laminate No No FIIC 61 Gammapar laminate? glue down, 8″ thick post tension slab, no perimeter iso WEAL 3701-027 1/3/06
8″ concrete QT4005 Engineered Wood No No FIIC 59 Engineered wood, QT 4005, 8″ thick cast in place concrete WEAL 3701-029 3/25/07
8″ concrete QT4010 Hardwood No No FIIC 60 Boen hardwood (floating), 8″ thick post tension slab, no perimeter iso WEAL 3701-027 1/3/06
8″ concrete QT3010.5 gypsum concrete Yes 1.5″ FIIC 70 ASTC 63 1-1/2″ 3310 Gypsum concrete, snap panel, rFoil BFB, QT 3010.5, 8″ post tension concrete, no insulation, armstrong short span grid, 5/8″ type ”x” gwb WEAL 4209-001 WEAL 4209-001

wood joist

Assembly Detail Finish Ceiling Concrete IIC STC Description IIC Report STC Report Date
wood joist QT3006-3 Stone Tile Yes Yes IIC 51 STC 57 Wood Joist Floor/Ceiling Assembly with Stone Tile, Gypsum Concrete & QT 7003004 5003001 1/31/03
wood joist QT4010 Quarry Tile Yes IIC 59 Quarry 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 wallboard 7002041 7/19/02
wood joist QT3006-3 Hardwood Yes Yes IIC 54 Wood Joist Floor/Ceiling Assembly with Oak Flooring, Gypsum Concrete & QT 7003002 1/31/03
wood joist QT3017.8 Carpet and pad No Yes FIIC 81 Carpet 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 wood WEAL 3701-036 8/28/07

wood truss

Assembly Detail Finish Ceiling Concrete IIC STC Description IIC Report STC Report Date
wood truss Expona + QT4002 LVT Yes 1″ IIC 50 STC 63 2.5mm LVT, 1″ gypsum concrete, QT4002, wood truss, 1 layer Type C GWB, polyflor C8706 05-113-11-R0 C8706 05-113-11-R0 7/25/13
wood truss Expona + QT4005 LVT Yes 1″ IIC 53 STC 63 2.5mm Expona LVT, QT4005, 1″ gypsum concrete, QT4002, wood truss, RC deluxe, 1 layer Type C GWB, polyflor C8706 03-113-11-R0 C8706 03-113-11-R0 7/24/13
wood truss QT4002 Laminate Yes 1″ IIC 53 STC 63 7mm 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 Sheetrock C7016 01-113-11-r0 6/17/13