Need help figuring out type of window

Joined
Dec 11, 2016
Messages
1
Reaction score
0
Hey guys,
I need help figuring out a sentence from the British standard 8233 (sound insulation and noise reduction):
"ventilated window, staggered openings not more than 5% of the time"
Haven't got a clue as to what that means :unsure:
Would really appreciate some help
Thanks!!
 

Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.

Ask a Question

Top