LITTLE KNOWN FACTS ABOUT DO TURBINE ROOF VENTS WORK.

I've found the video clips and read the reasoning but, I don't Imagine the cardboard mock up shows anything but air will come from holes in the roof. I concur it's going to but It will be more telling if you may see where the air was coming from as an alternative to heading.Probably the most frequent problem which can be asked about roof ventilatio