Glavel-Product-01_EHby Kelly NottermannSeptember 23, 20210 Glavel offers foam glass gravel made from recycled glass. This fall, the company is scheduled to open a manufacturing facility in Essex. Photo by Erica Houskeeper. Share this post Kelly NottermannKelly is a Vermont-based storyteller — empowered by 20+ years of writing experience. Her roles have included reporter, photographer, senior copywriter, senior social content strategist, communications director, and farmer.