David Vermeulen
![Dave Vermeuelen](/sites/gm/files/styles/max_325x325/public/2021-07/HED_DaveVermeulen_edit.jpg?itok=7BlLgTjj)
David Vermeulen is the North America Sales Director at Technical Glass Products (TGP), a division of Allegion that supplies fire-rated glass and framing systems, and other specialty architectural glazing. Contact him at 800/426-0279. Opinions expressed are the author's own and do not necessarily reflect the position of the National Glass Association or Glass Magazine.