Positive / Discussions

Do you have a diagram showing effect of winds on the pressure inside the house?

...positive pressure on the south facing wall, forcing air through any holes in your building envelope. That will create positive air pressure inside the house, an...

Posted by Bryan Bargen June 8, 2018, 5:20 p.m. Air and vapour barriers 1 Responses

How do you deal with a house under negative pressure?

...positive pressure to the point that it pushes air into plumbing holes under master bath sink. The house is 2499 sq ft 1 story with 2 AC returns. 1 is located ...

Posted by Connie Taylor April 16, 2020, 1:41 p.m. Ventilation 1 Responses

Are there auto balancing ERV/HRV system?

...positive pressure on the building assembiles. Venmar, which is owned by Broan-Nutone has one called; Virtuo Air Technology Thank you!

Posted by Aldoogie Feb. 15, 2021, 3:56 p.m. HRV and ERV 2 Responses

Does a low radon air reading necessarily = low radon in well water?

...positive pressure at the end of its cycle in order to help keep the radon gas in the ground. When we tested the water for radon gas we were all quite surprise...

Posted by Steve Bull Jan. 4, 2020, 1:45 p.m. Radon in Homes - Mitigation 5 Responses

Is the ZIP sheathing system good or bad for water control?

...positive lap when joining two pieces of membrane together; However, this is not possible when just slapping on a piece of special tape. I struggle to believe th...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses