Category Archives: Case Studies

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

Clay Brick Expansion – It is Real

Posted by in Case Studies, Cracking, Masonry | April 20, 2020

I just attended a webinar about movement joints in masonry.  The topics included the different types of movement joints (isolation, expansion, and contraction); why the need for movement joints; and where to place movement joints.  I’ve been designing, detailing, and… Read More

What Can Happen to Unbraced Wood Truss Web Members? Part III

Posted by in Case Studies, Wood | February 25, 2020

So, to continue on from last weeks post. How did we know that the wood trusses had buckled sideways previously and were reset? Examination of the top chord in the featured photograph shows two nails saw off flush with the… Read More

What Can Happen to Unbraced Wood Truss Web Members? Part II

Posted by in Case Studies, Wood | January 27, 2020

So, what happens when the web members of a wood truss are not braced laterally as specified by the truss manufacturer? When a wood truss is designed and constructed by a truss manufacturer, the manufacturer commonly provides drawings that show… Read More

Breaking Like a KitKat Bar

Posted by in Case Studies, Soil Issues | November 05, 2019

Remember the 1990’s KitKat commercial where the chocolate bar was snapped in two? If you don’t, you can watch it here on YouTube. That’s what this barn in the featured photo appears to be doing in one of the sidewalls.… Read More

What Can We Tell From These Photos? (Case Study 19)

Posted by in Case Studies, Roof, Simple Forensic Methods, Wood | May 13, 2019

The roof surface exhibits a deep trough near scupper through which the roof drains. The roof runoff can’t drain off the roof until it fills and overflows the trough. The trough has been present for months, as evidenced by the… Read More

What Can We Tell From This Photo? (Case Study 18)

Posted by in Case Studies, Wood | April 29, 2019

One of my favorite sayings is, “When something doesn’t look quite right, it probably isn’t.” This maxim has served me well, both professionally and personally.  Some would probably call it “instinct” or “the subconscious mind.”  Whatever it is called it… Read More

The Importance of Galvanizing Lintels

Posted by in Case Studies, Steel, What happens when ...? | September 24, 2018

The featured photograph shows a lintel that was removed from over a door opening. The brick wall is about 45 years old and faces west. The age of the brick veneer and the lintel are not known with certainty, but… Read More