A leaking roof may be an expensive problem to solve, but you should get it fixed as soon as possible to avoid additional harm to your possessions. Although the whole process of a roof repair is to be done by a professional roofing contractor, there are measures that you can take to prevent extensive damages caused by a leak in the roof, by temporarily repairing it prior to the arrival of the repair team.

Here’s a guide on how to fix a leaking roof from the inside:

Step 1: Identify the Source of the Leak

The first thing to do is to determine the source of the water before you can correct the roof leak inside of the building. 

Follow these steps:

Find the Leak: Find where the water is getting through your ceiling by investigating the area. Water usually flows over the beam or rafters and drips down so the leak can not be directly below the source.

Look at the Attic: If you have an attic, try to find the source of the leak there. Search for wet insulation, moist rafters, or puddles. The place of leakage can be more readily discovered in the attic where the underside of the roof is visible.

Mark the Spot: After locating the source of the leak, mark it with a pencil or tape to simplify the process of the professionals locating and repairing it when they come.

Step 2: Contain the Leak and Prevent Further Damage

To reduce damage until you get a repair team to work on the leakage, you can take the following measures to contain the leakage:

Use Bucket or Container: Have a bucket, container, or bowl under the place where it is leaking to collect the water. It will prevent water from destroying your flooring, furniture, and any other places that may be impacted.

Protect Your Property: Furniture or other belongings in the water should be relocated outside of the wet area to ensure they do not get damaged by water.

Prepare a Temporary Barrier: Cover the area with a tarp or plastic covering in case of a large leak. Get a heavy-duty tarp that is big enough to cover the ceiling, and go to the floor. Use nails, hook, or adhesive to keep the tarp in place.

Step 3: Dry the Area

It is essential to dry the area of concern to avoid developing mold and water damage before a temporary solution is applied:

Eliminate Wet Insulation: If the leakage affects insulation in the attic or ceiling, remove this very carefully. Wet insulation becomes incapable of insulating and is prone to growing mold. Wet insulation should be discarded or put somewhere in a safe place to dry.

Dry the Ceiling: Dry the ceiling with towels, rags, or a wet/dry vacuum. A dehumidifier or fan can also be used to accelerate the process of drying.

Step 4: Apply a Temporary Fix to the Roof Leak

If the leak is not too serious, and you need a solution in the short term, you can attempt to cover it on the inside. 

Here’s how:

Roof Leak Tape: Tape small leaks or cracks on the roof inside with roofing or waterproof tape. Ensure that the area is dry, and apply the tape tightly to generate a snug seal. This is good for minor leaks and is removable when one needs to do professional repairs.

Use a Plastic Sheet or Tarp: When there is a bigger leak, then use put a plastic sheet or tarp in your attic or ceiling to absorb any additional water. Nail or staple it to the rafters or beams so that it reaches a long distance and will intercept water running across the ceiling.

Roofing Cement/ Sealant: If you can get inside the roof (via the attic) you can use roofing cement or a sealant to seal the leak. Pour the cement on the hole or crack and smooth it. This is not a permanent solution, but can reduce the amount of water that gets in as you are waiting to do repairs.

Step 5: Check for Structural Damage

A leaking roof may damage the ceiling or rafters. Once the water is stopped, check the areas that have been affected to determine whether there is rot, mildew, or weakening:

Check Rafters and Beams: Check to see that there is nothing to indicate the rafters and beams, which are supporting your roof, are damaged with water. Waterlogged wood or any observable mold has to be dealt with immediately in order to avoid its further spread.

Examine the Ceiling for Staining: Stains on the ceiling or the walls can be water marks that signify leakages that occurred before. To prevent the development of mold, or further destruction, you can treat these areas accordingly.

Step 6: Schedule Professional Roof Repair

When your roof leaks, it is necessary to repair the roof properly and hire a professional. The roofing contractor should be contacted to immediately fix the leak from the outside.

Professional roofers will help you to:

Trace the Root Cause: A contractor will possess the tools and knowledge that can be used to trace the exact origin of the leak, be it a missing shingle, broken flashing, or broken sealant.

Conduct Permanent Repairs: A roofing expert will use a permanent measure to fix the leak which may be by replacing the damaged roofing materials, repairing the flashing, or by resealing the roof.

Check on Other Problems: Your roof contractor may check out the other parts of your roof to detect any other problems that may cause leakage in the future, like defective flashing, old shingles, or blocked gutters.

Step 7: Prevent Future Leaks

As preventive measures to eliminate leaks in the future, do the following:

Periodic Roof Checks: Have the roof checked on a regular or annual basis to identify any problems at an early stage before the problem turns into a major leak.

Cleared Gutters and Downspouts: Always empty gutters and downspouts to make sure that water moves freely without any type of back up that may lead to roof leaks.

Maintain Roof Seals and Flashing: When roof flashing and seals are present, ensure that these seals are not broken because water may leak into the roof framework.