Krieger Specialty Products
Acoustical & SCIF Pre-Engineered Models
These are Pre-Engineered Models.
We custom manufacture to
your actual needs.
10 Year Manufacturer's Guarantee Icon
All Krieger doors are backed by our 10 Year

Manufacturer's Guarantee. Learn More
Acoustical Icon
Acoustical Hollow Metal Doors
Krieger’s acoustical hollow metal doors are available in
single or double door assemblies with specially engineered
frame profiles that complement any wall construction
or architectural style.
Premier Custom Finishes
Select a custom finish to perfectly match
and complement your project.
Delivered as Complete Assemblies
Door Panel
Frame
Threshold
Hinges
Seal System
Vision Lite Icon
Glass for Lites
Krieger offers tested and
certified glass options, including
fire rated glass and more.
Model STC Rating ADA Compliant Fire Label Thickness  
NC3-STC40
 
STC 40
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC44
 
STC 44
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC45
 
STC 45
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC46
 
STC 46
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-FG-STC46
 
STC 46
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC46-Double
 
STC 46
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC49
 
STC 49
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC50
 
STC 50
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC51
 
STC 51
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC52
 
STC 52
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-STC53
 
STC 53
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC12-STC55
 
STC 55
 
 
Up To 90 Minutes
 
3"
 
Acoustical Icon
Acoustical Wood Veneer Doors
Krieger’s acoustical wood veneer doors are available in
single or double door assemblies with specially engineered
frame profiles that complement any wall construction
or architectural style.
Wood Finishes
Delivered as Complete Assemblies
Door Panel
Frame
Threshold
Hinges
Seal System
Vision Lite Icon
Glass for Lites
Krieger offers tested and
certified glass options, including
fire rated glass and more.
Model STC Rating ADA Compliant Fire Label Thickness  
NC3-WD-STC40
 
STC 40
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-WD-STC44
 
STC 44
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-WD-STC45
 
STC 45
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-WD-STC46
 
STC 46
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-FG-WD-STC46
 
STC 46
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-WD-STC49
 
STC 49
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-WD-STC50
 
STC 50
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-WD-STC51
 
STC 51
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-WD-STC52
 
STC 52
 
Yes
 
Up To 60 Minutes
 
2"
 
NC3-WD-STC53
 
STC 53
 
Yes
 
Up To 60 Minutes
 
2"
 
NC12-WD-STC55
 
STC 55
 
 
Up To 60 Minutes
 
3 ¼"
 
SCIF Icon
SCIF Compliant Acoustical Doors
Krieger acoustical and SCIF doors are manufactured
to comply with ICD 705
and regulations of the National
Counterintelligence and Security Center.
Premier Custom Finishes
Select a custom finish to perfectly match
and complement your project.
Delivered as Complete Assemblies
Door Panel
Frame
Threshold
Hinges
Comes with three Cam Lift
Hinges: two support hinges
and one electrified hinge.
Seal System
Model SCIF Standard STC Rating ADA Compliant Fire Label Thickness  
NC3-SCIF-SG3-Single
 
Sound Group 3
 
STC 45
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-SCIF-SG3-Double
 
Sound Group 3
 
STC 45
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-SCIF-SG4-Single
 
Sound Group 4
 
STC 50
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
NC3-SCIF-SG4-Double
 
Sound Group 4
 
STC 50
 
Yes
 
Up To 3 Hours
 
1 ¾"
 
705 SCIF Door and Lock Package Icon
Door and Lock All in One Box
Krieger’s 705 SCIF Door and Lock Package meets SCIF
Sound Groups 3 and 4 standards,
and comes installed with
a Sargent & Greenleaf or Lockmasters locking device.
Details and Options
705 SCIF Door and Lock Package
Complete Assembly
Installation Bundle
Installed FF-L-2890
Locking Device
Choose a Sargent & Greenleaf
or Lockmasters lock. Both come
with a Kaba X-10 combination
digital dial.
Acoustical Icon
Acoustical Windows
Krieger’s sound control windows are available
up to STC 56. We offer standard
frame designs as well
as specially engineered frame profiles to complement

any wall construction or architectural style.
Finishes and Glass
Select a custom finish to perfectly match
and complement your project.
Frame
Seal System
Glass
Krieger offers tested and certified glass options, including
acoustical glass, fire rated glass, smart glass, clear glass, optical
white glass, low-emissivity (low-e) glass, and more.
Model STC Thickness Weight Area Tested Glass Type  
NCV-2525MW-47 47 8" 10.5 21 SQ. FT. 1/4" MONO x 1/4" WIRE Details
NCV-2525L-49 49 8" 11.0 21 SQ. FT. 1/4" LAM x 1/4" LAM Details
NCV-3825L-50 50 8" 12.4 21 SQ. FT. 1/4" LAM x 3/8" LAM Details
NCV-2525-9852 52 9 5/8" 14.0 21 SQ. FT. 1/4" LAM x 1/4" LAM Details
NCV-2537-9853 53 9 5/8" 15.5 21 SQ. FT. 1/4" LAM x 3/8" LAM Details
NCV-3775-9856 56 9 5/8" 21.5 21 SQ. FT. 3/8" LAM x 3/4" LAM Details
Sliding Control Room
Acoustical Windows
Model STC Thickness Weight Area Tested Glass Type  
NCV-525SL-1346 46 14" 30.1 18 SQ. FT. 1/2" LAM x 1/4" LAM Details
NCV-525SL-1351 51 14" 30.1 18 SQ. FT. 1/2" LAM x 1/4" LAM Details
Fill out our online form to request a quote and a Krieger Sales Representative will follow up with you.