Four Barriers For Four Wetting Potentials: How To Design Effective Exterior Walls What are the four barriers of the four wetting potentials when designing effective exterior walls? They are Air, Water, Heat and Vapor barriers. This is the third part in our four-part...
Learn how to design effective exterior walls using a vapor barrier system.This program is designed for you to understand the basics of building physics, the basics of building science, the Four Barriers Needed For The Weather Barrier System, and how to properly design...
Len Anastasi has been working in the construction industry for over 30 years in masonry, waterproofing and restoration work.
He currently owns EXO-TEC Manufacturing, Inc., EXO-TEC Solutions, Inc. and EXO-TEC Consulting, Inc.
In his construction and consulting work, he has performed inspections and repairs on over 300 buildings.
Len has given expert testimony in trials and reviews on dozens of legal cases.
He is a member of ASTM’s E 06 Committee, the Boston Society of Architects Building Enclosure Council, Air Barrier Association of America, the Construction Specifications Institute, and the International Concrete Repair Institute.
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