Krieger acoustical doors are delivered as complete performance guaranteed acoustical assemblies with seals hinges and threshold included.
Stc 55 rated door.
Its overall transmission loss with better quality weather seals too.
A critical factor to understand when specifying acoustic doors and frames is the sound transmission class or stc rating.
Up to 4 0 x 8 0 singles and 8 0 x 8 0 pairs.
3 hour fire rating by underwriters laboratories ul and its fire ratings vary with stc rating wood doors available in various species stains and finishes.
Wood doors up to stc 49.
The whisper core stc 55 door system from fleming is the perfect choice for any room where sound transmission needs to be kept to a minimum.
The stc rating is calculated in accordance with astm e413 it s a single number rating for interior building partitions that are subjected to mid to high frequency noises.
Tested in accordance with astm e90 09.
Additionally cam lift hinges and an aluminum threshold are included with high stc rated assemblies.
A fiberglass door with polyurethane core is rated between 22 and 32 while the particleboard core is 30 to 38 the heavier and denser the material the more sound it will.
Fixed windows up to stc 55.
Up to 4 0 x 8 0 singles and 8 0 x 8 0 pairs.
The whisper core stc 55 door system will help to insure the quality of sound in or.
Stc rated doors provide privacy and prevent noise distraction.
These doors are typically used in schools conference rooms buildings near airports recording studios government military facilities or any other building where sound control is important.
3 hour fire rating by underwriters laboratories ul and its fire ratings vary with stc rating wood doors available in various species stains and finishes.
Seals thresholds and door bottoms when required are shipped with the doors along with the attached stc rating.
Levels 43 to 52 available.
When specifying acoustical doors one often overlooked concern is the hardware.
Stc 55 swing door single double stc and astm e 90 tested all steel swing doors with fire resistant core of barrier materials and energy absorbent acoustical insulation.
The new whisper core door system uses the latest patented sound absorbing technology to achieve its operable stc 55 rating.
The stc rating of fiberglass doors depends on the core material used and the thickness of the door.
Because acoustical doors are constructed differently than traditional hollow metal doors certain considerations must be made when selecting hardware for them.
Our designs also interface with the locks and accessory hardware you have chosen for your project.