Category Archives: Apparent Mold/Biological Growth

Does Ventilation Really Provide a Benefit in an Attic?

Posted by in Apparent Mold/Biological Growth, Attic Ventilation, Buying/Maintaining a Home, Winter Concerns | June 04, 2018

The clear surface on the underside of the roof deck around the three bathroom vent pipes shows that even a little bit of inadvertent air flow is capable of reducing condensation and the risk of apparent mold/biological growth. It doesn’t… Read More

What Can We Tell from This Photo? (Case Study 15)

Posted by in Apparent Mold/Biological Growth, Case Studies, Roof | July 31, 2017

The feature photograph was taken of the underside of a roof deck in an attic.  This photograph provides helpful information regarding the cause and history of the damage. From this photo we observe the following: The pixelated pattern of the apparent… Read More

The Importance of Crawlspace Ventilation

Posted by in Apparent Mold/Biological Growth, Foundations, Wood | March 27, 2017

The decay (and the foot step through the floor in the featured photo) seen here is characteristic of damage from prolonged exposure to excessive moisture. The severity of the decay indicates that the problem has been progressing over a period… Read More

What Can We Tell from This Photo? (Case Study 13)

Posted by in Apparent Mold/Biological Growth, Case Studies, Roof, Winter Concerns, Wood | February 22, 2016

The feature photograph was taken in an attic during a warmer month of the year.  It documents the condition on the underside of the roof deck.  This photograph provides valuable information regarding the scope and history of airborne moisture in the attic. From… Read More

When Is Condensation a Concern?

Posted by in Apparent Mold/Biological Growth, Attic Ventilation, Chimneys, Winter Concerns | February 08, 2016

Remember summertime?  It’s that warm or even hot time of year when we lay back on our chaise lounge in the shade with a cold glass of our favorite beverage.  It is so humid that the glass is sweating profusely… Read More

What Can We Tell from This Photo? (Case Study 12)

Posted by in Apparent Mold/Biological Growth, Simple Forensic Methods | November 30, 2015

What does this photograph show? This photograph was taken of active condensation of excessive airborne moisture on the underside of a roof deck.  This photograph provides a significant amount of information about the consequences of condensation and even about the… Read More

Can Ventilation Really Reduce Condensation and Mold Growth in an Attic?

Posted by in Apparent Mold/Biological Growth, Attic Ventilation, Roof, Wood | August 11, 2014

Most in the construction industry know that the attics of wood framed structures require adequate ventilation to reduce the risk of the condensation of excessive airborne moisture and the resulting mold growth. But, how much does ventilation reduce condensation and… Read More

Power Washing Shingles?

Posted by in Apparent Mold/Biological Growth, Buying/Maintaining a Home, Roof, Shingles | June 07, 2014

Looking to high pressure wash (power wash) all that dirt, discoloration, mold growth, lichens, etc. off your shingles?  Have you seen advertisements in various local papers regarding high pressure washing shingles?  Here are a few observations. We have the experience… Read More