Kima Roofing Accessories Kima Roofing Accessories - manufacturers of roof ventilation & plastic building products.
Active Ventilation Products, Inc. Active Ventilation Products, Inc. (AVP), originally founded in 1997, is a designer and manufacturer of roof exhaust and intake vents, solar attic fans, roof exhaust fans, vent pipe rain caps, pvc vent caps, roof curbs and curb mount accessories.
