April 20, 2018 | Contractors | AGC of America
California and West Virginia have biggest job gains for the year, North Dakota has largest decline; Texas a...
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All Things Moisture
Buildings in warm, humid climates are prone to mold and moisture issues that can cause catastrophic failure. Liberty Building Forensics Group (LBFG) provides insight into how to avoid water intrusion, air leakage, condensation, deterioration, and air infiltration problems in new or old construction by achieving tight air barriers and building envelopes. They also discuss using HVAC systems properly to correct building pressurization and achieve dehumidification and humidity control, as well as avoiding mold and moisture problems in green design. A recognized leader in solving, remediating, and litigating complex moisture and mold-related building failures, LBFG has extensive expertise in investigating and resolving construction and design deficiencies. For more information, visit http://www.buildingforensicsgroup.com.
Moisture damage around the bathroom exhaust fan from reverse air flow through the exterior wall cap
Sponsored |Building Materials | April 18, 2018 | Donald B. Snell, PE, CMC
Figure 1: The water-based mastic stayed wet (tacky to the touch) for weeks because the covered ductwork did not allow the mastic to dry, resulting in mold growth.
Sponsored |March 02, 2018 | George H. DuBose, CGC; Charles Allen, Jr., AIA; Donald B. Snell, PE, Cert, Mech. Contractor, CIEC; and Richard Scott, AIA, NCARB, LEED AP
Sign up for our free March 6 webinar on “A Project Peer Review: The Single Most Important Factor in Reducing the Risk of a Mold and Moisture Lawsui...
Figure 1: Despite the presence of a waterproofing membrane on the elevated concrete slabs, water intrusion occurred through the terrace levels into the spaces below, infiltrating via penetrations and cracks in the slab.
Sponsored |Building Materials | February 15, 2018 | George H. DuBose, CGC; Steven R. Gleason, P.E.; and Charles Allen, Jr., AIA
Sign up for our free March 6 webinar on “A Project Peer Review: The Single Most Important Factor in Reducing the Risk of a Mold and Moisture Lawsui...
Contrary to popular belief, mold can occur in painted walls. This wall had a highly breathable textured finish system, and yet mold returned in the guest room walls. This was the condition after the first remediation, when the problem returned.
Sponsored |February 09, 2018 | George DuBose, CGC; Richard Scott, AIA, NCARB, LEED AP; and Donald B. Snell, PE, Cert. Mech. Contractor, CIEC
Building envelope & HVAC interaction in warm, humid zones
View of PTAC unit removed from wall sleeve-room side is to right. Inset in upper left shows front view of unit in sleeve with cover removed. Supply fan draws unconditioned outdoor air (red arrows) into supply fan plenum. Fan also draws room return air (yellow arrows) through evaporator coil cooling room air (blue arrows). Unconditioned outside air mixes with conditioned room air and discharges to room (green arrows) through supply air louvers.
Sponsored |January 23, 2018 | J. David Odom J. David Odom and Richard Scott-AIA, NCARB, LEED AP, Liberty Building Forensics Group and Norm Nelson, Jacobs Engineering
Over the past 30 years, building experts at Liberty Building Forensics Group (LBFG) have investigated hundreds of hotel moisture problems (involvin...
Sponsored |January 04, 2018 | J. David Odom
Sign up for our free January 9 webinar on “The Predictability of Moisture Control & Building Air Tightness in High-Performance Buildings.
The extent of damage to the wood structure was significant, despite not manifesting itself on the interior drywall or exterior of the envelope.
Sponsored |Moisture Protection | December 13, 2017 | George DuBose, CGC; Richard Scott, AIA, NCARB, LEED AP; and Donald B. Snell, PE, Cert. Mech. Contractor, CIEC
An increasing number of legacy buildings, including aging student housing complexes, are experiencing water intrusion and mold-related damage that...
Sponsored |November 15, 2017 | George DuBose, CGC; Richard Scott, AIA, NCARB, LEED AP; and Donald B. Snell, PE, Cert. Mech. Contractor, CIEC
Liberty Building Forensics Group (LBFG) has produced an e-book that speaks directly to the most common air barrier-related factors causing mold and...
Sponsored |Moisture Control/Building Envelope | September 11, 2017 | George DuBose
Not all buildings are created equal, some fail at alarming rates.