MWI Components specializes in products related to the post frame building industry. We are the only supplier in the country of Metal Work's brand cupola and Ridge Vent roof ventilators, an industry leader for the past 17 years.  Our cupolas come in a variety of sizes, with base sizes from 24 x 24 inch to 36 x 36" & 48 x 48 inch standard sizes. We provide products in over 100 colors, and can match almost any building color available. Our RidgeVent roof ventilators come in a variety of sizes, and are available in 6 and 10 foot lengths. For the highest quality insulation at the best possible price, MWI Components offers TempShield Reflective Insulation in both single and double bubble.  We also have great selection of Horse Stall Systems products; Stall Doors, Latch Options, Grill Selections, Stall Components, Dutch & Bale Doors and Arcadian Sliders.  MWI Components is centrally located in Spencer, Iowa and we service customers in the post frame building industry with quality products all over the United States, Mexico, and Canada.