The short answer
Choosing the Right Tarp and Tools
The correct tarp is crucial for a temporary roof seal. A heavy-duty, waterproof polyethylene tarp, at least 6 millimeters thick, is the standard choice. It must be large enough to extend at least four feet beyond the damaged area in all directions. You will also need wooden laths or strapping, two by four lumber, roofing nails, and a sturdy ladder for safe access to your roof.
Preparing the Roof Surface
Safety is your first priority. Never attempt to tarp a roof during high winds, rain, or after dark. Carefully clear the damaged section of any loose shingles, branches, or other debris. This provides a smoother surface for the tarp to lie against, which helps prevent tearing and improves the seal. Walk only on the solid, undamaged parts of the roof structure to avoid causing more harm.
Identify the solid framing or sheathing around the damaged hole. These solid points are where you will anchor your fasteners. The tarp must be secured into stable wood, not just into old, brittle shingles. If the surrounding wood is soft or rotten, you may need to extend your tarp further to find solid anchoring points. This step is essential for the tarp's stability.
Positioning and Securing the Tarp
Unfold the tarp on the ground to confirm its size and orientation. From the ladder, carefully drape the tarp over the damaged area, ensuring it extends well over the roof's peak. The tarp must run from the ridge down past the eave on the damaged side. This over-the-peak method is key, as it prevents water from flowing underneath the tarp material and into your home.
Once positioned, lay wooden laths or strapping over the tarp's edges on the undamaged roof sections. Nail through the strapping into the solid roof decking below. Start at the top near the ridge and work your way down each side, pulling the tarp taut as you go. Avoid nailing directly into the tarp's center, as this can create new holes for water to enter.
- Extend the tarp at least four feet past the damaged spot.
- Always run the tarp over the roof ridge, never just to one side.
- Use wooden laths or strapping to distribute the nail's holding force.
- Space nails approximately every 12 inches along the strapping.
- Pull the tarp taut to prevent wind from catching and lifting it.
- Secure the bottom edges, but allow for some drainage at the eave.
Common Tarping Mistakes to Avoid
A frequent error is using a tarp that is too small or too thin. A small tarp leaves vulnerable edges where wind-driven rain can easily penetrate. A lightweight tarp can tear under stress from wind or accumulated water. Another mistake is securing the tarp only with sandbags or bricks on a sloped roof; these will not hold against wind and can slide off, becoming dangerous projectiles.
Improper anchoring is another critical failure point. Nailing only into shingles or soft, rotten wood means the tarp will detach in the first strong gust. Do not rely on duct tape or adhesive; these fail quickly when wet. Ensure every fastener goes into solid, structural wood. A poorly secured tarp can cause more damage by tearing off additional shingles or allowing a large volume of water inside.
When to Call for Professional Help
Tarping a roof is a temporary, emergency measure, not a permanent repair. If the damage is extensive, the roof is steep, or you are uncomfortable with heights, it is safer to contact local water damage pros. They have the equipment and expertise to secure a tarp effectively and can assess the full scope of water damage inside your home, which is often not visible from the roof.
A humid climate can make a compromised roof especially problematic, as trapped moisture can lead to rapid mold growth and structural decay. After a tarp is in place, you should arrange for a permanent roof repair. A thorough water damage inspection is also wise to check for hidden moisture in attics, ceilings, and walls that needs to be dried properly.
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Call Now (504) 608-0810Frequently asked questions
How long will a roof tarp last?
A properly installed heavy-duty tarp is a temporary solution, typically lasting a few weeks to a few months. It protects against rain but will degrade under constant sun and wind. You should schedule permanent roof repairs as soon as possible to prevent the tarp from failing and allowing new water damage.
Can I tarp a roof by myself?
You can tarp a small, accessible area if you are physically able and follow strict safety protocols. However, roof work is hazardous. For large holes, steep pitches, or multi-story homes, hiring local water damage pros is strongly recommended. They have the safety gear and experience to do the job without risk of personal injury.
Will insurance cover roof tarping?
Many homeowner's insurance policies may cover the cost of emergency roof tarping as part of a storm damage claim, as it is a preventive measure. You should document the damage with photos before and after tarping. Policies vary, and your insurer decides what is covered. Keep all receipts for materials and any professional service.
More questions and answers
- What Is a Temporary Roof Tarp and How Long Does It Last?
- How Do You Safely Tarp a Roof After a Storm?
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- What Are the Most Common Causes of Roof Leaks?
- How Long Can a Landlord Take to Fix a Leaky Roof?
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