Category Archives: Water Sources

The Importance of Good Flashing

Posted by in Siding, Water Sources | December 26, 2016

What happens when flashing is poorly installed around windows? The feature photograph shows what might show on the interior, but the following photographs show what may be hidden in the wall. Disclaimer   Read More

The Need for Membrane Flashing Under a Threshold

Posted by in Siding, Water Sources | August 22, 2016

Whether a manufactured stone with multiple joints or a solid board is used under the threshold of a door (featured photo), a flexible membrane flashing is necessary to stop the infiltration of runoff. On the inside, runoff infiltration through a… Read More

A Lifted (Heaved) Basement Floor Slab

Posted by in Basements, Concrete, Unusual, Water Sources, Weather Events | August 08, 2016

What would cause a concrete basement floor slab to lift in this fashion? The basement floor slab was lifted up about eight inches or so.  The area of floor slab over the sanitary sewer lines was lifted more than the… Read More

Evidence of a Roof Leak

Posted by in Roof, Water Sources | April 11, 2016

What caused damage to the drywall on this ceiling (Figure 1)? The damage is not due to a one time leakage.  It is just too severe for a one time ice dam. Climbing into the attic above the kitchen we… Read More

How Important is Wall Flashing?

Posted by in Masonry, Water Sources | April 04, 2016

Take a look for yourself. I spotted these water and dirt stains on the face of a brick wall.  The water and dirt stains are directly under the joint of the metal wall cap. The lap on the metal cap… Read More

What Can We Tell from This Photo? (Case Study 10)

Posted by in Basements, Simple Forensic Methods, Water Sources | August 10, 2015

This photo was taken at the base of a basement wall. We note the following: The moisture staining on the wood stud and the cardboard box indicate that there has been water infiltration. The multiple rings of the moisture staining… Read More

A Roofer’s Nightmare – Part 2

Posted by in Buying/Maintaining a Home, Roof, Shingles, Water Sources | June 08, 2015

Occasionally, we get to see a roof that causes us to say, “Yikes!” or some other such exclamation.  This week we have such a roof. Here, a large area of roof drains down into a small gutter and then onto… Read More

Inadequate Roof Flashing

Posted by in Buying/Maintaining a Home, Construction & Shortcuts, Roof, Shingles, Water Sources | April 27, 2015

We are often contacted to evaluate the source of moisture or water that is causing apparent mold growth, decay, moisture staining, or another type of water damage.  Sometimes the cause of the moisture or water source is a little easier… Read More