Sound transmission class stc.
Stc rated glass doors.
An stc rating is an instrument measurement of how much noise is stopped.
Curries 757 sound rated stc commercial steel doors metal doors and much more.
Curries an assa abloy company provides energy efficient opening solutions for the commercial industry.
Our designs also interface with the locks and accessory hardware you have chosen for your project.
Acoustic rated doors acoustic doors are optimized to weaken airborne sound which travels through openings with very little loss.
Our acoustic doors are tested in operable openings and rated with the gasket and seal packages as listed in appendix m.
For windows stc ratings range from 18 to 38.
Glass by itself is a weak noise insulator but methods such as lamination or double glazing can improve performance significantly.
Stc ratings are used for windows doors walls and most building materials.
The higher the stc rating the less noise is passed through the material in our case the door opening.
The sound rating of a door is determined through standardized acoustic testing.
Stc ratings are the only way to accurately compare various noise reduction products.
Stc rated doors should always be installed by a professional.
Tl measurements for a door are taken across a range of frequencies which makes it difficult to compare the effectiveness of different doors.
On site installation can be pretty easy if the door has been assembled prior to delivery by the factory.
Krieger acoustical doors are delivered as complete performance guaranteed acoustical assemblies with seals hinges and threshold included.
Additionally cam lift hinges and an aluminum threshold are included with high stc rated assemblies.
Standard glass doors can have an stc between 28 and 35 laminated between 35 and 40 and soundproof glass from 48 to 55 or higher.
Available with fire ratings from 20 to 90 minutes.
Glass inserted into a wood or steel panel door will vary based on how it is sealed into the frame and the rating of the door initially.
The stc ratings allow accurate apple to apple comparisons.
Assemblies have been designed to accept readily available heavy weight builders hardware.
Sound transmission class stc ratings for glass vary from poor to practically soundproof.
Available with stc ratings from stc 34 to stc 47.
Soundproof steel doors are available with acoustic glazing that is factory pre installed.
There are quite a few complicated steps in the installation process that are critical to the performance of the door.
Soundproof steel doors are available 1 3 4 thick from stc 33 to stc 53.
Soundproof doors are available at greater thicknesses from stc 54 to stc 64.