What’s the best way to keep a roof tarp secure without nails?

To secure a tarp without nails, use weighted objects like sandbags or bricks along the edges, or opt for an adhesive tarp that bonds directly to the roof. These methods avoid damaging shingles and work well for short-term fixes, especially in calm weather. For more details, check out practical advice from sources like Got Wet We Dry roof tarping guide.