Any suggestions regarding heavier material or more abrasion resistant material for Skin on Frame (SOF) kayaks, canoes, or in my case a row boat? The heat sealing is most attractive and I could try ironing on a double bottom, but the bottom is the one the area least needing heat shrinkage. Most SOF builders use 8 oz. nylon or dacron, which is then painted. But the paint cracks and is contra-indicated if one is planning on folding up the boat and tossing it in an aircraft, for example. And while pack rafts are fantastic, they aren’t what I’m looking for. Thanks.