You get the native embedded customer support features of the Ledger app download to provide expert help if and when needed.
Instant Flow Max Immediate Aspect Bitchain Profit AI

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

 

Resource list