I am literally getting ready to board up a window in the HT, I'd like to run a sweep before and after. Whenever I dont use REW for a while it seems I have the same issue but I never recall what I had to do to fix it.
My feeling is that completely sealed up I have issues, but completely opened up as well. I think if I close the door I just built all the way and leave the bedroom door slightly open, things will breath yet still load. Vice Verse, if I seal the spare room door all the way but leave the entryway door partiallt open or the outside door, i will have better results. I just ran a sweep with the front and back doors open...the outside doors.. and I think I may have heard a coil brush a back plate, IDK though usually I can run at -10dB and get that, I am at -15dB right now.
I'm going to go mach up the two boards to see where I need to cut the second one, then seal the spare room and entryway door and hope by then I can get this fixed, I'll run a sweep, then screw the boards in and run another sweep. I think with the spare room and entry way sealed up the window being sealed up will have an effect, but right now with both doors open I dont think it would do much.