Vynckier FRP enclosures are becoming more popular than metal enclosures for many practical reasons. With the same application capabilities and comparable sizes to other enclosure materials (including stainless steel, carbon steel and other non-metallic), Vynckier FRP is becoming the preferred choice of enclosure users everywhere.With global approval ratings (not just UL and CSA) and broader outdoor ratings, Vynckier is able to outperform the competition.