Category Archives: Case Studies

What’s Under That Dip in the Roof?

Posted by in Case Studies, Wood | January 18, 2021

The roof surface looked level everywhere except that one dip near the ridge (featured photograph). What would case the dip in the roof surface? From the attic, I was able to see that a small area of the roof deck… Read More

What Can We Tell from These Photos? (Case Study 20)

Posted by in Attic Ventilation, Case Studies, Shrinkage, Water Sources, Wood | January 04, 2021

When evaluating moisture damage in an attic there may be conditions that appear to contradict each other, such as, those seen in the featured photograph and Figure 1.  However, a closer and more thoughtful examination indicates that the different appearances… Read More

Poor Handling of Roof Runoff

Posted by in Basements, Case Studies, Roof, Water Sources, Winter Concerns | October 05, 2020

Basement walls not only support the floor framing above, but also retain earth and groundwater from the basement area.  A basement wall commonly retains earth backfill and groundwater by spanning vertically between the basement floor and the wood framing above… Read More

Damage from an Explosion Within a Dwelling

Posted by in Case Studies, Explosion Damage | September 21, 2020

An explosion generates sudden, excessive air pressures.  Excessive air pressures produce a wave of air that moves outward in all directions (radially) away from the origin of the explosion.  The pressure from the wave of air decreases in magnitude as… Read More

Why is the Brick Veneer Laying on the Ground?

Posted by in Case Studies, Masonry | August 24, 2020

In the last technical post I discussed the structural basics of brick veneer:  what holds it up, what holds it on, and what help does it provide. In this post I look into why the brick veneer above fell off… Read More

What is Brick Veneer?

Posted by in Case Studies, Masonry | August 10, 2020

What is brick veneer? And why is it laying on the ground in the featured photograph? Brick veneer is in essence a masonry siding, which has been set separate, that is, with an air space (commonly called a cavity), from… Read More

Was the Fallen Plaster Ceiling Damaged by Water?

Posted by in Case Studies, Ceilings | July 27, 2020

We were informed that a portion of a plaster ceiling had fallen (featured photograph). The question was, “Was it related to a previous water incident?” The account of the water incident indicated that it occurred on the floor directly above… Read More

A Baffling Issue (at 1st) with a Raised Patio Deck

Posted by in Case Studies, Soil Issues, Winter Concerns, Wood | June 15, 2020

When we get reports of a raised patio deck pitching down, sliding glass doors in the patio walls binding, and doors not latching anymore, we begin by measuring the pitch of the floor and walls to help determine what is… Read More