Photograph 2:  Note the chimney leaning toward the right.  The red indicating line is parallel to the exterior wall of the house.

The Cause is in the Details: Inspecting Damage to Brick-clad, Wood-framed Chimneys

DonanEngineering Forensic Engineering, Structural Damage & Collapse

Brick masonry chimneys have been prevalent for centuries, but it wasn’t until recent decades that brick-clad, wood-framed chimneys became common in residential construction.  This trend resulted from the increasing popularity of metal insert fireplaces. While they may appear similar from the exterior, the structure and weather-resistant envelope of wood-framed chimneys are very different than masonry-built chimneys.  Prior to studying damage, …

Photograph 2:  Note the chimney leaning toward the right.  The red indicating line is parallel to the exterior wall of the house.

The Cause is in the Details: Inspecting Damage to Chimneys

DonanEngineering

Brick masonry chimneys have been prevalent for centuries, but it wasn’t until recent decades that brick-clad, wood-framed chimneys became common in residential construction.  This trend resulted from the increasing popularity of metal insert fireplaces. While they may appear similar from the exterior, the structure and weather-resistant envelope of wood-framed chimneys are very different than masonry-built chimneys.  Prior to studying damage, …

Photograph 1: Photograph of an ice dam.

Ice Damming: Detection, Cause & Prevention

DonanEngineering Articles, Commercial & Residential Roofing, Forensic Engineer, Forensic Engineering, Registered Roofing Consultant, Structural Damage & Collapse, Winter Storm

Ice dams and their resultant leaks can be an expensive and even chronic problem in those regions where snow-covered roofs are a common occurrence. To understand their detection, cause, and prevention requires some understanding of the dynamics of a structure’s construction, insulation, and ventilation. Ice dams most commonly make their presence known when the owner or tenant of a shingle-covered …