sliding glass door

Appreciate any advice/pointers on this because my Structural Engineer has sent calculations for a door and aperture that don't add up I think (and hasn't responded for 2 days). We want to install sliding patio doors in the garden-facing back room which has an external width of 3430mm (location...

Hello everyone, The bedroom in our (private) rental flat has a glass sliding door facing a street and a pub. It can be loud but the worst thing is the bass frequency/engine revving noise coming from somewhere in the evening, which can last all night. It's not a loud sound but it does sound like...