condensation Articles

#35 – Condensation and Metal Roofing

April 26, 2017

I was actually in this industry for quite a few years before I really understood condensation in a building and how a metal roof might impact it. In fact, I always sort of thought that metal roofs would regularly get condensation on the back side of the panels – between the metal roof panels and… ( read more )

Ventless Gas Stoves and Condensation

February 13, 2011

Beverly recently wrote me the following: Q: I saw your email address on a net page about metal roof problems. So i’m hoping you can give me a little help. My story, My parents have lived in the same house for 37 years. It has a tin roof with nothing under it . They changed… ( read more )

Metal Roofing and Condensation

January 10, 2011

Q: Hello. I was reading about what you said concerning metal roofs. I have one and it sweats when the sun hits it in the morning (condensation). Can you help? I understand the need to reduce moisture from the inside, so I took the boiling pan of water off of the wood stove. Is this… ( read more )

Cathedral Ceilings

June 24, 2009

Q: My house is a tri-level and the windows on the second floor are very close to the lower roof, so there’s really no room to add strapping over my existing shingled roof. The problem is that I’ve read on your site that it’s code to install metal roofing over strapping if you have a… ( read more )

Metal Roofing Over Insulated (SIP) Panels

June 21, 2009

Q: I have a new structure with 12 1/4″ structural insulated panel roof at a 2:12 pitch. (The low pitch is due to code which requires me to retain the snow load.) There is no attic space to ventilate and the roofing must be applied to the top surface of the insulated (SIP) panels. Even… ( read more )

Strapping or No Strapping

June 12, 2009

Question from June in New Hampshire: Q: Greetings: – We are in the process of contacting contractors regarding the installation of a metal roof on our home and with each contractor that comes to the house we are getting more and more confused: 1. Should it be installed over the existing asphalt or strapping 2…. ( read more )