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SOUND ISOLATION

Poor sound isolation can compromise even the best- designed, best-equipped music room. Sounds from other areas can confuse students and impair the teacher’s ability to teach. And, sound generated within the music rooms can distract other classrooms or offices.

T h e M u s i c W i n g O n e o f t h e f i r s t t h i n g s t o d o f o r g o o d s o u n d i s o l a t i o n i s t o l o c a t e t h e m u s i c r o o m s i n a s e p a r a t e w i n g o f t h e b u i l d i n g . A l s o , b e s u r e t o p r o t e c t t h e m u s i c r o o m s f r o m a d j a c e n t n o i s e - g e n e r a t i n g r o o m s s u c h a s c a f e t e r i a s , g y m s o r n o i s y m e c h a n i c a l s y s t e m r o o m s .

K e e p t h e M u s i c W h e r e i t B e l o n g s G o o d s o u n d i s o l a t i o n c a n b e a c h i e v e d a t r e a s o n a b l e c o s t b y b u i l d i n g f u l l - h e i g h t , s o u n d - i s o l a t i n g w a l l s s e a l e d t o t h e b u i l d i n g s t r u c t u r e a t t h e f l o o r a n d c e i l i n g . C o r r i d o r s , o f f i c e s a n d s t o r a g e r o o m s s h o u l d b e u s e d a s b u f f e r z o n e s . T h i s i s o l a t e s t h e s o u n d b e t w e e n a d j o i n i n g a r e a s l i k e t h e g e n e r a l m u s i c r o o m a n d t h e i n s t r u m e n t a l m u s i c r o o m .

Leaks and Interference

Wall seams, electrical outlets and ventilation ducts are common sources of sound leakage. Staggered wall seams and outlets, as well as baffled, filtered ventilation ducts will help to remedy sound leaks and HVAC interference. Doors and windows are another source where sound can escape. Be careful to specify doors and windows that have adequate acoustical ratings.

Floorplan

Band Room

storage

storage

Choir Room

office

office

corridor

Buffer spaces should separate major rehearsal spaces. The most effective layouts put storage and office space between these rooms. Sound isolating walls between the rehearsal space and busy hallways are recommended as well.

Wall Construction

Incorrect

Preferred

On a 4' x 8' wall, a hole the size of a quarter can reduce the sound isolation effectiveness by 80%. Therefore, gaps at the top of your wall above your suspended ceiling, walls not sealed at the floor, electrical outlets, and poorly-designed ventilation systems can sabotage your sound isolation efforts.

Proper Wall Construction

Staggered studs (offset to break the path of sound)

Fibrous insulation in cavity air spaces

Base plate

Double layers of gypsum wall board (both sides of stud framing)

Caulk perimeter of both gypsum board layers

Acoustics

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