I used threaded stainless cause I didn't want it to rust. Added a bit of weight to my rig though. But I bet it will withstand a roll over no problem. I heard a place in Greensboro that sells Steam Hose rather cheap that has been discussed before. Cheaper than the Chiropractor bill from my back going out while trying to get all my stainless threaded. PM for details or use search. I'll go the steam hose route next time and I'm sure it would be much faster. Don't use PVC. It'll bust on a cold morning rush after the thermostat opens up. Ask me how I know. I'll be checking into this Concrete Hose as mentioned cause I can't find steam hose local.