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How Do Contractors Tarp a Damaged Roof After a Storm?

Last updated October 26, 2026

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The short answer

What the Pros Do First

When a storm tears shingles off or punches a hole in your roof, the pros start by checking the damage from a safe spot. They look for the size of the opening and how water might pool or run. That tells them what size tarp and how many fasteners they need.

They also check the roof's pitch and surface material, whether it's asphalt shingles, metal, or tile. That matters because the tarp has to grip without tearing. If the roof is steep or slippery, they set up safety lines and ladders before climbing up.

How They Secure the Tarp

The pros lay the tarp over the damaged area, making sure it extends well past the edges of the hole. They use roofing nails or screws driven into solid wood, not just into the decking. For extra hold, they nail wooden battens over the tarp's edges to spread the pressure.

On flat or low-slope roofs, they might use sandbags or heavy blocks to weigh the tarp down. On sloped roofs, they often wrap the tarp around the ridge or eaves and fasten it on both sides. The key is to keep the tarp tight so wind can't lift it and rain can't get under it.

  • Tarp extends at least two feet past the damaged area
  • Nails or screws go into solid roof framing
  • Wooden battens hold the tarp edges down
  • Straps or ropes may be used on steep roofs
  • Overlap and seal seams with tarp tape
  • Check after heavy wind or rain

Why Proper Installation Matters

A loose or poorly placed tarp can do more harm than good. If water runs under it, it can soak insulation and drywall, leading to mold and rot. The pros take time to make sure the tarp sheds water away from the hole, not into it.

They also consider the weather. If more storms are coming, they may double-layer the tarp or add extra fasteners. A temporary fix that lasts only a few days is fine, but a tarp that holds for weeks needs to be put on with care.

What to Do After the Tarp Is Up

Once the tarp is in place, you should still act quickly to dry out any wet areas inside. Move furniture away from the leak, remove soaked carpets or rugs, and run fans and dehumidifiers if you have them. Water damage can get worse the longer it sits.

Take photos of the damage and the tarp for your records. Check your insurance policy to see what it covers. Policies vary, and your insurer decides what is covered. If you live in Cincinnati, keep your insurance documents handy and your roof repair contact written down.

When to Call the Pros

If the hole is small and you can reach it safely, you might handle it yourself. But if the roof is steep, the damage is large, or you're not comfortable on a ladder, call the pros. They have the right equipment and experience to do the job without risking injury.

The pros can also check for hidden damage, like broken trusses or soaked insulation. After a storm, water may have already traveled into walls and ceilings. A quick inspection can help you know the full scope before you plan permanent repairs.

  • Large or multiple holes in the roof
  • Steep or two-story roof
  • Signs of sagging or structural damage
  • Water stains or dripping inside your home
  • You're not sure how to secure the tarp properly

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Frequently asked questions

How long can a tarp stay on my roof?

A tarp is a temporary fix, usually meant to last a few weeks. It can hold longer if it's installed well and the weather stays calm. But sun and wind wear it down, so plan for permanent repairs soon.

Will the tarp stop all water from coming in?

A well-installed tarp should keep out most rain, but no temporary cover is perfect. If water is already trapped inside your walls, it may still seep out. Dry the interior and watch for new stains until the roof is fixed.

Should I file an insurance claim for roof tarping?

Check your policy to see if storm damage and temporary repairs are covered. Policies vary, and your insurer decides what is covered. Take photos and keep receipts for any work you pay for out of pocket.

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