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Can Tarping Prevent Additional Water Damage After a Storm?

Last updated October 31, 2026

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The short answer

How Tarping Protects Your Home

Tarping creates a temporary water barrier over damaged sections of your roof. It keeps subsequent rain, snow, or debris from entering the attic and living spaces. This immediate action helps contain the initial damage. Preventing more water from coming in is the most effective way to limit the scope and cost of repairs.

A secure tarp stops water from compromising your insulation, drywall, and electrical systems. It also helps prevent mold growth by reducing the moisture source. The sooner you cover a breach, the less secondary damage occurs. This step is vital for stabilizing the situation before a full assessment.

Essential Tarping Steps After a Storm

First, ensure it is safe to go outside. Do not go on a wet or steep roof yourself. If you can safely access the area from the ground, use a heavy-duty plastic or canvas tarp. Extend the tarp well beyond the damaged area and secure it tightly with ropes or wooden battens.

Cover the damaged section from the peak of the roof down past the eave. This directs water away from the hole and off the roof. Avoid placing the tarp directly over piles of debris. Check the tarp's edges regularly to ensure they remain sealed against wind.

  • Use a heavy-duty, waterproof tarp, at least 6 mils thick.
  • Secure all sides and the middle to prevent wind from catching it.
  • Overlap the tarp over the roof ridge to help direct water runoff.
  • Never use nails or staples that could puncture the roof further.
  • If the damage is extensive, multiple tarps may be needed.
  • Document the damage with photos before and after tarping.

When Tarping Is Not Enough

Tarping only addresses the water source from above. It does not solve problems from within the structure. If water has already soaked into walls, ceilings, or floors, those materials need professional drying. A tarp also cannot repair structural damage to rafters or trusses compromised by the storm.

Internal water damage requires extraction and dehumidification. Wet materials can warp, stain, and develop mold within days. In humid climates, hidden moisture becomes a bigger problem quickly. Tarping stops the influx, but the existing water needs immediate attention to prevent long-term issues.

The Role of Professional Water Damage Mitigation

After you have contained the leak, contact local water damage pros for an inspection. They assess the full extent of the moisture intrusion behind walls and under floors. Their equipment measures humidity levels you cannot see. This detailed inspection informs the necessary drying and repair plan.

The pros set up industrial air movers and dehumidifiers to dry the structure thoroughly. They may need to remove sections of wet drywall or insulation to allow proper airflow. This process helps prevent mold and structural decay. Their goal is to restore your home to a dry, safe condition.

Coordinating Repairs and Insurance

Permanent roof repair should be done by a qualified roofer. They will remove the tarp and complete a lasting fix. Keep all receipts for temporary materials, as they may be part of an insurance claim. Policies vary, and your insurer decides what is covered.

Contact your insurance company promptly to start the claims process. Provide the photos you took of the damage. Be prepared for an adjuster's visit. Remember, water damage restoration and roof repair are often separate services. You may need to coordinate between the roofer and the water damage pros.

  • Take clear photos of the storm damage from multiple angles.
  • Save all receipts for tarps, ropes, or other emergency supplies.
  • Get a written estimate from a qualified roofer for permanent repair.
  • Ask the pros for a detailed scope of work.
  • Keep a log of all calls and correspondence with your insurer.
  • Understand your deductible and coverage limits before work begins.

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Frequently asked questions

What type of tarp should I use for a roof?

Use a heavy-duty, waterproof tarp made of polyethylene or canvas, at least 6 mils thick. Look for ones labeled for roofing or construction. These are more resistant to UV rays and tearing. Secure it properly to withstand wind.

How long can I leave a tarp on my roof?

A tarp is a temporary fix for days or a few weeks at most. Weather, especially sun and wind, will degrade it. Schedule permanent roof repairs as soon as possible. Leaving a tarp too long can lead to new leaks.

Does homeowners insurance cover tarping after a storm?

Many policies cover the cost of temporary repairs like tarping to prevent further damage. This is often called "mitigation." You must document the damage first. Policies vary, and your insurer decides what is covered. Always check your specific policy.

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