Skip to main content
Common problems

The rooms people ask about most.

Each of these explains what is actually going on, works a typical example right through, and gives you every route to fixing it with the areas involved. Then you can do the same for your own room.

Echo in a church hall

Why church halls echo, what it costs you, and how much absorption a typical hall needs — with areas, vendor-neutral. Check your own hall in sixty seconds.

Read it →

A restaurant nobody can talk in

Why hard-surfaced restaurants get unbearably loud, what it costs in covers, and how much absorption a typical dining room needs. Check yours in sixty seconds.

Read it →

A sports hall you cannot teach in

Why sports halls echo so badly, what it does to PE lessons and staff voices, and how much absorption a typical hall needs. Check yours in sixty seconds.

Read it →

A classroom nobody can concentrate in

Why classrooms echo, what it does to attainment and teacher voices, and how much absorption a typical classroom needs. Check yours in sixty seconds.

Read it →

An open-plan office nobody can take a call in

Why open-plan offices get impossibly loud, what it costs in focus and calls, and how much absorption a typical floor needs. Check yours in sixty seconds.

Read it →

A hotel lobby you can't check in at

Why hotel lobbies and bars get uncomfortably loud, what it costs in reviews, and how much absorption a typical space needs. Check yours in sixty seconds.

Read it →

A waiting room where nobody feels comfortable

Why hard-surfaced waiting rooms feel harsh and carry sound too far, and how much absorption a typical room needs. Check yours in sixty seconds.

Read it →

A shop floor where staff can't hear customers

Why big hard-floored retail units get loud enough to hurt trade, and how much absorption a typical store needs. Check yours in sixty seconds.

Read it →

A co-working space nobody can take a call in

Why co-working spaces with exposed brick and concrete get impossibly loud, and how much absorption a typical floor needs. Check yours in sixty seconds.

Read it →