Question

Double doors and windows having separate frames and enclosing soundabsorbing materials are used to reduce

Answer 1

Answer:

hope this is helpful for you

Answer 2

Answer:

Double doors and windows having separate frames and enclosing soundabsorbing materials are used to reduce external noise.

Explanation--

Soundproof windows

A Soundproof Window is a second window placed behind our existing window that opens and closes just like our current one – there is no need to remove or replace our window to eliminate noise problems .

WAYS TO SOUNDPROOF DOORS  AND WINDOWS-

• Using PVC Doors and Windows for Superior Sound Proofing.
• Buying  Thick Soundproof Curtains.
• Installing  Window Shutters.
• Putting a Rug in the Entryway to Soundproof our Door.
• Cover Windows with Soundproof Blankets.