Dirk Tharpe has spent his professional life in the ready-mixed concrete, masonry, and concrete repair goods industries. He currently works with Oldcastle APG representing the Sakrete, Amerimix, and Belgard brands. Sakrete concrete, concrete repair, and mortars have the right Pro-Grade products for any project and a dedicated team of Technical Services Experts to help. Oldcastle APG, a CRH company, is one of the leading providers of outdoor living and building products. Oldcastle APG belongs to CRH’s Building Products division. CRH is a leading global diversified building materials group, employing approximately 77,600 people at over 3,100 operating locations in 31 countries worldwide.