Forensic Engineers and Consultants

Archive: Water Damage

WARREN WEBINAR: “Issues with Breaching the Building Envelope”

LIVE WEBINAR:
10/5/21  @ 1 pm EST “Issues with Breaching the Building Envelope” | Presented by George Sanford, P.E., Senior Consulting Structural Engineer

COURSE LEARNING OBJECTIVES

In this Webinar, we will discuss water entry through a variety of building envelope breaches. Water entry and subsequent wood decay, fungal growth and structural damages as a result from water intrusion can lead to serious property damage and major expenses for all types of property owners. We will discuss the definition of a building envelope, and look at various case studies involving breaches to the major components of the envelope. These major components include foundations, exterior walls, and roofs. The foundation case studies include issues with slabs-on-grade, crawlspaces, and basements. The exterior wall case studies involve improperly installed building wrap, leaking windows, and problems with stucco. The roof case studies look at issues with various roof coverings, vents, and penetrations. Participants will take away a thorough understanding of what defines the building envelope, how breaches to the envelope can occur, and how to identify root causes. Read More

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Construction Techniques to Prevent Water Penetration at Windows

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Windows, and their interface with the exterior walls, are an important part of a building’s envelope that resists the intrusion of water. Most builders take many precautions to protect a house from water damage. One of the most important factors in keeping the water out is the installation of window flashing, a thin material that prevents water from seeping in around a window. Read More

Water Damage from Leaking Shower Stalls

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Have you ever had to have a leaking shower pan for a tiled shower stall replaced, only to have a recurrence a few years later? If so, it is likely that it was not properly built and/or repaired. In most installations, the shower stall is constructed with an underlying one-piece flexible membrane of PVC that is attached to the wall studs before the backer board and wall tile is installed. No nails or screws should penetrate the membrane below the level of the curb of the shower stall. The only opening in the membrane below the curb must be the hole for the shower drain to connect to the house plumbing. The shower drain is designed to allow water on top of the membrane to flow into the drain via weep holes for that purpose. Read More

Graphitic Corrosion – Difficult to determine before a failure!

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Graphitic corrosion is a process that may happen in equipment made of iron, particularly grey cast iron, but also ductile cast iron. Graphitic corrosion can lead to unexpected catastrophic failure of the affected part because the cast iron can lose its strength without a visible warning such as a change in size, shape, or appearance. Read More

Uninvited House Guests: Mold and Other Fungal Growths

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The wet, relatively warm weather recently experienced in the southeast has caused a high incidence of mold and other fungal growth complaints in homes and other structures.  Engineers at Warren are often called upon to investigate the cause(s) of these problems. Read More

Flood Damage to Electrical Equipment

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As a result of the recent weather, those of us in South Carolina have gained a renewed appreciation of the damage that can result from flooding. Even a few inches of flood water can result in property damage and a loss of services in addition to the immediate risk of physical harm. Read More

Catastrophic Weather – Lessons Learned

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In recent years, with Hurricane Ike in Galveston, TX in 2008 and Superstorm Sandy along the New Jersey and New York coastline in 2012, we have had the opportunity to see firsthand the destructive power of storms like these.  We were “boots on the ground” literally days after the initial coastal strike.  The damage observed to residential and commercial structures was far reaching, diverse and some preventable.  We want to share some “lessons learned” from these observations for these two CAT events. Read More

How Long Before The Pipes Freeze?

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The unusually severe 2014 winter in the eastern United States has reminded many people and businesses that when water in a pipe freezes, the ice will expand and burst the pipe or pipe fitting.  Large losses will result from flooding when the temperatures rise.  Insulation will help, but not prevent freezing.  Insulation simply slows down the rate of heat loss.  The time of exposure to subfreezing temperature is an important factor. Read More

Installation can compromise PVC pipe

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PVC pipe is a durable material used in many construction and renovation applications. Despite its widespread use, problems can arise when manufacturer installation guidelines are not followed. This is especially true in applications that involve gluing joints or, using the more technical term, solvent welding. Read More

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