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How Do You Tarp a Roof After Storm Damage?

Last updated October 26, 2026

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The short answer

Assess the Damage Safely

Start by checking the roof from the ground with binoculars. Look for missing shingles, holes, or lifted flashing. Never climb onto a wet or steep roof, and avoid areas near power lines. If you see sagging or large gaps, stay off and let the pros handle it.

Inside your home, look for water stains on ceilings or walls. These spots often mark where the roof is leaking. Move furniture away from the area and place buckets under drips. If water has pooled on the ceiling, poke a small hole to let it drain into a bucket, but only if the ceiling is not bulging heavily.

  • Use binoculars for a ground-level check
  • Avoid walking on wet or steep roofs
  • Look for water stains inside your home
  • Clear the area under any leaks

Gather the Right Materials

For a basic tarp job, you need a heavy-duty polyethylene tarp, wooden furring strips, and galvanized nails or screws. A hammer, utility knife, and ladder are also essential. Measure the damaged area and add at least two feet on each side so the tarp overlaps intact roofing.

Choose a tarp that is thick enough to resist tearing. A 6-mil or thicker tarp works well for most storm damage. If the roof has a steep pitch, consider using rope or bungee cords to secure the tarp, though nails along the edges are the most reliable method.

  • Heavy-duty polyethylene tarp
  • Wooden furring strips for edge nailing
  • Galvanized nails or screws
  • Hammer, utility knife, ladder
  • Measure and add two feet overlap on each side

Secure the Tarp Correctly

Lay the tarp over the damaged area, starting from the lower edge and working upward. Smooth out wrinkles so water can flow off naturally. Nail the furring strips along the top and sides of the tarp, driving nails through both tarp and strip into the roof deck. Space nails about six inches apart.

For the bottom edge, let the tarp hang slightly over the roofline so water drips off, not under the tarp. Avoid nailing into valleys or near vents, as that can create new leaks. If the tarp is large, work with a helper to keep it flat and avoid wind catching it.

  • Start at the lower edge and work up
  • Smooth out wrinkles to direct water flow
  • Nail furring strips every six inches
  • Let the bottom edge overhang slightly
  • Avoid valleys and roof vents

Know When to Call the Pros

Some roof damage is too dangerous for a homeowner to handle. If the roof is steep, multiple areas are torn, or the decking is exposed, the pros should do the tarping. They have the right safety gear and experience to work on damaged roofs without causing more harm.

The pros also know how to secure tarps against high winds, which matters in a storm-prone area. A poorly placed tarp can flap and tear, letting water in and worsening the damage. If you are unsure about your roof's condition, it is safer to have a professional inspect it first.

Document the Damage for Insurance

Before you tarp, take clear photos and notes of the roof damage from the ground and from inside your home. This record helps when you file a claim. Policies vary, and your insurer decides what is covered. Keep receipts for any materials you buy, as some policies may reimburse temporary repairs.

After tarping, check the inside of your home for new leaks after heavy rain. If water still gets in, the tarp may need adjustment or the damage is more extensive. In that case, contact a local water damage professional to handle the cleanup and prevent mold growth.

  • Take photos of the roof and interior stains
  • Note the date and type of storm
  • Keep receipts for tarp materials
  • Recheck for leaks after rain
  • Call a water damage pro if water persists

Need help right now?

Every hour counts once water gets into floors and walls. One call starts the response.

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Frequently asked questions

How long can a tarp stay on a roof?

A tarp is a temporary fix, not a permanent one. It can last a few weeks to a couple of months if secured well, but strong sun and wind will degrade it. Plan for permanent roof repairs as soon as possible to avoid further water damage.

Is it safe to walk on a roof after a storm?

Only if the roof is dry, not steep, and you see no obvious hazards like loose shingles or exposed decking. Even then, use a safety harness and have someone spot you. If you feel unsure, skip it and call the pros.

What if water is already leaking inside my home?

Move valuables away, place buckets under drips, and dry the area as thoroughly as you can. Tarping the roof stops more water from entering, but existing moisture needs to be dried quickly to prevent mold. If the leak is large, contact a water damage cleanup service.

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