Ortecrete Sound Tests

Floor System
Topping
Insulation

Ceiling

Suspended

on Channel

Ceiling

Drywall

Floor

Coverings

Rating

Test

Numbers

Truss Plate Institute
with 3/4" (19 mm)
T&G plywood 
subfloor
3/4" (19 mm)
3/4" (19 mm)
3/4" (19 mm)
Blown-in
B lown-in
B lown-in
Yes
Yes
Yes
5/8" (16 mm)
5/8" (16 mm)
5/8" (16 mm)
Vinyl
Vinyl
Ceramic
57-FSTC
50-FIIC
46-FIIC

98.67280.10
98.67280.1
98.67280.12

Metal Joist
9 1/2" (247 mm) w/ 3/4" (19mm) T&G
OSB subfloor
3/4" (19 mm)
3/4" (19 mm)
3/4" (19 mm)

3 1/2" (89 mm)
3 1/2" (89 mm)
3 1/2" (89 mm)

Yes
Yes
Yes

5/8" (16 mm)
5/8" (16 mm)
5/8" (16 mm)
Vinyl
Carpet and Pad
Carpet and Pad
49-FIIC
51-FSTC
73-FIIC
94-2278
94-2168.1
94-2168.2
SpaceJoist® Metal Web Truss
16" deep w/ 3/4" (19 mm)
T&G OSB subfloor

3/4" (19 mm)
3/4" (19 mm)



3/4" (19 mm)
3/4" (19 mm)

3 1/2" (89 mm)
3 1/2" (89 mm)



3 1/2" (89 mm)
3 1/2" (89 mm)

Yes
Yes



Yes
Yes

5/8" (16 mm)
5/8" (16 mm)



5/8" (16 mm)
5/8" (16 mm)

Vinyl
Mannington 3/8"
laminate floating
over Quietwalk

Carpet and Pad
Carpet & Tile

51-FIIC
54-FIIC



70-FIIC
52-FSTC

51210-4
51210-5



51210-3
51210-1