Category Archives: Mold Growth

The Importance of Crawlspace Ventilation

Posted by in Foundations, Mold Growth, 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 Case Studies, Mold Growth, 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 Attic Ventilation, Chimneys, Mold Growth, 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 Mold 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 Attic Ventilation, Mold Growth, 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 Buying/Maintaining a Home, Mold Growth, 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

Inadvertent Reduction in Attic Ventilation

Posted by in Attic Ventilation, Mold Growth, Roof, Water Sources, Winter Concerns, Wood | May 30, 2014

We are often called to evaluate the source of moisture causing mold growth, water damage or wetting of building components in an attic.  These investigations commonly conclude with pointing out a roof or siding leak from a breach in the… Read More

There is Mold in My Attic !!! (Encore)

Posted by in Archive 2004 thru 2011, Mold Growth | October 14, 2013

One of the most common claims that we have investigated is the “sudden” appearance of moisture staining or mold growth in an attic or on the ceiling of a dwelling, as shown in the title photograph and Figures 1 and… Read More