materials :: construction :: warranty :: become a dealer Materials At J&N Structures, quality is supreme. Jake Beiler, our company’s owner, oversees all material purchases and chooses the products for their quality and durability. All materials are standard or better-grade building materials and all products are sorted twice, ensuring the customer a long-lasting barn or shelter. We utilize high quantity buying power in order to manufacture the highest quality buildings at the most affordable price for your, our customer. All-Natural The natural look of our barn's wood can be retained by using a clear sealer ...protect your investment for years to come!