Glen Raven, N.C.-based Glen Raven Inc.'s Sunbrella® performance fabrics have received the Atlanta-based GREENGUARD Environmental Institute's (GEI's) certification as a low-emitting product. The certification signals that the fabrics - originally designed for use in outdoor applications including boat covers, lawn and patio furniture and awnings, but increasingly being used also in indoor settings - can be used for interior applications with no detrimental effects to indoor air.