Sound Insulation
   
 
EXCEEDING RECOGNIZED STANDARDS OF SOUND REDUCTION
WINDOW WORLD - Window system is perfectly designed to reduce sound transmission. The dual compression gaskets assure the tightness of the windows and doors.
 
Combined with suitable glazing, WINDOW WORLD Windows can insulate interiors from sounds of up to 40db. This easily exceeds the recommended sound- proofing level of 30db for sleeping in a residential area of busy town centers.
   
 
SOUND INSULATION TABLE
Location and noise pollution level Reccomended max.noise level Reccomended sound- proofing level of windows Noise protection class Noise protection class
Residential Area
about 60db
Sleeping 25-30 db
Housing 30-35 db
Working 35-50db
30db
27db
14db
2
1
0
Town centre
about 70 db
Sleeping 25-30 db
Housing 30-35 db
Working 35-50 db
43 db
37 db
35 db
4
3
1
Industrial
about 75 db
Sleeping 25-30 db
Housing 30-35 db
Working 35-50 db
47 db
43 db
30 db
5
4
2