Providing your own windows for a pole barn or post-frame building? Make sure you choose the right style! 🪟 In this quick tip, we explain why nailing flange windows are preferred—and why built-in J-channel windows don’t work with steel siding. 🛠️ . . . #fbibuildings #polebarn #postframe #construction #buildingtips #tip #windows #constructionsite #reel #reels #reelsvideo #reelsfb | FBi Buildings, Inc.