Sound (STC) Products

Standards

  • ASTM E90-2009 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions
  • ASTM E413-2010 Classification for Rating Sound Insulation
  • ASTM E1332-10a Standard Classification for Rating Outdoor-Indoor Sound Attenuation

Testing results below are based on inoperable tastings (sealed in place)

Un-Filled
3'0" X 7'0"
Single		 Batt Filled
3'0" X 7'0"
Single		 Grout Filled
3'0" X 7'0"
Single		 Grout Filled
4'0" X 8'0"
Single		 Grout Filled
6'0" X 7'0"
Pair		 Fire Rated
Construction
18 Gauge Polystyrene
(Flush 1 3/4" Door)		 STC 32
Inoperable		 STC 32
Inoperable		 STC 32
Inoperable		 STC 26
Inoperable		 STC 30
Inoperable		 Yes
18 Gauge Polystyrene
(Embossed 1 3/4" Door)		 ---- ---- STC 35
Inoperable		 ---- ---- Yes
16 Gauge Polystyrene
(Flush 1 3/4" Door)		 ---- ---- STC 34
Inoperable		 STC 29
Inoperable		 ---- Yes
18 Gauge Polyurethane (Polyiso)
(Flush 1 3/4" Door)		 ---- ---- STC 30
Inoperable		 ---- ---- No
18 Gauge Steel Stiffened
(Flush 1 3/4" Door)		 ---- ---- STC 41
Inoperable		 ---- ---- Yes
16 Gauge Steel Stiffened
(Flush 1 3/4" Door)		 STC 43
Inoperable		 STC 43
Inoperable		 STC 46
Inoperable		 STC 42
Inoperable		 STC 43
Inoperable		 Yes
16 Gauge Steel Stiffened
(NGP 22x34 with 1/2" Laminated Glass 1 3/4" Door)		 ---- ---- STC 41
Inoperable		 ---- ---- Yes
14 Gauge Steel Stiffened
(Flush 1 3/4" Door)		 ---- ---- STC 50
Inoperable		 STC 47
Inoperable		 ---- Yes
14 Gauge Steel Stiffened
(NGP 22x34 with 3/8" Laminated Glass 1 3/4" Door)		 ---- ---- STC 42
Inoperable		 ---- ---- Yes
18 Gauge Special Steel Stiffened Core
(Flush 1 3/4" Door)		 ---- ---- STC 42
Inoperable		 ---- ---- Yes
16 Gauge Special Steel Stiffened Core
(Flush 1 3/4" Door)		 ---- ---- STC 46
Inoperable		 STC 45
Inoperable		 ---- Yes
14 Gauge Special Steel Stiffened Core
(Flush 1 3/4" Door)		 ---- ---- STC 48
Inoperable		 ---- ---- Yes
14 Gauge Proprietary #1
(Flush 1 3/4" Door)		 ---- STC 46
Inoperable		 STC 53
Inoperable		 STC 51
Inoperable		 ---- No
14 Gauge Proprietary #2
(Flush 1 3/4" Door)		 ---- ---- ---- STC 53
Inoperable		 ---- No

 

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