DIY RV Skirting for Winter Camping❄️ We opted last minute to skirt the RV before the deep freeze in December. Supplies Used: Insulation Foam Board, All Whether Aluminum Tape, and Razor Blade Cost: $130 Time: 2 hours If we were to camp the whole winter we would have boxed in the tires and slides, and spent more time ensuring all gaps were sealed. We previously had issues with our tanks freezing below 10°F and knew skirting with heaters was the answer to make it through the deep freeze without iss