Eric G. Amhaus


Vice President of Building Sciences


The Citadel – The Military College of South Carolina
B.S Civil Engineering, 1997

Areas of Expertise

Building Enclosure Commissioning (BECx) & Envelope Consulting
Below-Grade Waterproofing Systems
Opaque Wall Air, Thermal, Moisture and Vapor Barriers
Exterior Claddings & Façades
Fenestrations & Curtain Walls
Sealants, Coatings & Repellents
Low-Slope & Steep-Slope Roofing Systems
Plaza Deck Waterproofing & Vegetative Green Roofs
Functional Building Performance Testing


After four years as a senior project manager with a nationally recognized roofing and waterproofing consulting firm, Eric joined Pie in 2001 as a Forensic Specialist. In 2004, he was promoted to Department Manager for the Construction and Engineering Compliance Division of Pie. In 2008, with the continued growth of Pie, Eric was offered and jumped at the opportunity to launch a new Building Science Group division focused on front end building enclosure consulting services to the new construction and major renovation markets. His responsibilities included overseeing all of the group’s business development strategies and operational business functions and services in the form of building enclosure commissioning (BECx), design phase consultation, construction document peer reviews, training seminars, quality assurance observation services and building performance field testing.

In 2010, Eric was excited to increase his commitment to the company by becoming a principal/partner at Pie Consulting & Engineering and expanding building science group services both nationally and internationally. In 2012, he was principal-in-charge of Pie’s transition and opening of their Texas office operations, as well as transitioned to his current role as Vice President of Building Sciences.

As Vice President of Building Sciences, Eric provides strategic direction and leadership to all of Pie’s physical office locations in addition to our national/international market space with specific focus in growing client relationships, enhancing Pie’s service delivery, and ensuring client satisfaction.

With over 20 years of building enclosure system experience, Eric has presented and trained audiences nationally on the subjects of BECx, air barriers, moisture management, building science and infrared thermography at events sponsored by the US Army Corps of Engineers, Engineer Research and Development Center (ERDC), Construction Engineering Research Laboratory (CERL), US Department of Energy (DOE), California Commissioning Collaborative (CACx), Construction Specifications Institute (CSI), the Architectural Engineering Institute (AEI) of American Society of Civil Engineers (ASCE), as well as cities/municipalities and design/construction professionals across the United States.