Winnebago Roof Construction, Is Winnebago a good RV brand? Discover the build process, materials used, owner reviews, durability, warranty, best models, prices, and more. They tuck the Filon into the rail and use flexible silicone sealant to “secure” the roof while keeping it somewhat flexible at the same time. If you need assistance with anything else, please email rholevoet@dailyreporter. Welcome to The Daily Reporter's Wisconsin Project Center. There is a thin sheet of lauan plywood with a layer of fiberglass on top. Beneath this wood/fiberglass is about 3 inches of white Styrofoam with another piece of lauan plywood on the bottom side of the Styrofoam. Here is a video tutorial and overview of the Wisconsin Project Center. Track any project by clicking the watch icon. I think that because when I drilled a hole in it for a screw, the drill popped through after only about an eight of an inch. All DIY ! Explore the Winnebago Access travel trailer lineup. gbcij, fp4ivu, 60yby7, dssk, szoy, mak, wq5apcfg, b6bg, 065, dvt,