The same logic applies to solutions rated as stc 45 and stc 52.
Stc 45 rated doors.
Mecart s standard acoustic products are labelled stc 35 stc 45 and stc 52.
Because acoustical doors are constructed differently than traditional hollow metal doors certain considerations must be made when selecting hardware for them.
Specifying a door with an stc rating in the 40s is adequate in most situations but in settings where sound control is critical such as an office where confidential meetings are held doors above stc 45 may be needed.
Soundproof doors are available at greater thicknesses from stc 54 to stc 64.
A door that has been sound rated usually means the door panel jambs frames and seals have been tested in a lab for sound transmission loss tl and earned an stc rating.
Standard steel doors often have an stc rating in the 25 35 range.
Levels 43 to 52 available.
Stc rated doors provide privacy and prevent noise distraction.
Non rated 4 0 x 10 0 cat.
Assemblies have been designed to accept readily available heavy weight builders hardware.
Face veneers are available in a variety of paint grade or stain grade options including birch oak walnut maple and cherry.
B ppfm 4 0 x 8 0 its wh and ul max 45 minute the stc 44 45 and 46 must be installed one of two ways to achieve an operable rating.
Wood doors up to stc 49.
Soundproof doors are available at greater thicknesses from stc 51 to stc 56.
With two 2 rows of marshfield doorsystems supplied gasketing on the head and jambs of the frame and bottom drop seal.
In some cases the rating applies only to the door panel as it has been tested without the door frame assembly.
Soundproof doors are available 1 3 4 thick from stc 33 to stc 50.
Any unsealed gaps and clearances in door assemblies effectively cancel out the noise reduction benefits of stc rated doors.
For example 1 8 clearances around the edges reduce the effective rating of an stc 52 door to stc 21.
Soundproof steel doors are available 1 3 4 thick from stc 33 to stc 53.
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.
As previously explained this means they have been tested in a laboratory for their sound transmission loss.
Assa abloy offers a complete range of stc rated door assemblies providing a solution for any application.
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.
Door edges match the veneer of the door face.
When specifying acoustical doors one often overlooked concern is the hardware.
Fixed windows up to stc 55.
Soundproof steel doors are available with acoustic glazing that is factory pre installed.
Metal doors up to stc 57.
