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TriAx Geogrid has helped pavement engineers around the world optimize their designs to get the longest service life for their budget. Due to its ability to efficiently confine aggregate, TriAx reduces the required aggregate and pavement thickness while improving the overall performance.

Derek Wiatrek, P.E.

Regional Sales Manager: Southwest Texas


(512) 757-6239

About Derek

Derek is a 1999 Civil Engineering graduate of Texas A&M University and is a licensed professional engineer in the state of Texas.  He joined Tensar International Corporation in December of 2012 as a Regional Manager out of Driftwood, TX and was promoted to Senior Regional Manager in February 2020.  Prior to working for Tensar, he held a brief role at Oldcastle as a Commercial Hardscapes Consultant for the central Texas area and worked for Contech Engineered Solutions for 12 years prior holding roles of Regional Sales Engineer and Project Consultant in the central Texas area.  Mr. Wiatrek is currently responsible for Tensar’s roadway and walls/slopes geosynthetic business in central and south Texas, which includes TriAx® geogrid, biaxial (BX) geogrid, and uniaxial (UX) geogrid products.  He has 20+ years of hands on project experience in the central and south Texas area as a technical expert and rusted advisor for numerous engineered products and solutions, including geosynthetic products utilized in pavements.


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