What is a Moisture Barrier and How to Fix It

A moisture barrier is used to help protect the interior of your home and should be applied to all surfaces.

These barriers are also known as vapor retarders or vapor barriers. They are used in homes to prevent moisture from damaging your building’s structure. Moisture barriers can be applied in a number of ways – for example, by painting them on a wall or ceiling, sealing them into place with tar paper, and installing them by taping pieces of plastic sheeting together.

Why should you apply a moisture barrier?

Moisture barriers are necessary because they keep water out of the home. Moisture can cause mold, mildew, and fungus to grow, which can be very dangerous for people with allergies or asthma. They also help preserve structural materials by protecting them from water damage and prolonging their lifespan.

A moisture barrier should be applied when a new roof is installed or when there has been past leakage problems in your home.

Common causes of moisture barrier issues

Moisture barrier issues are a common occurrence in buildings due to the unnatural environment. There are many different causes of moisture barrier issues and some of them are more common than others.

The most common causes of moisture issues are:

• Building material incompatibility

• Air leakage

• Indoor air quality problems

Best ways to prevent a problem with a moisture barrier

There are many ways that a problem can occur with this type of barrier. One way is if the barrier has not been sealed properly. Another way is if there are punctures or holes in the shield that could let water through. Some other factors that could lead to a problem with a moisture barrier include poor installation, improper material selection, and inadequate ventilation for the materials being protected by it.

The best way to prevent a problem is to inspect your floors and walls regularly. If you see an issue with excessive moisture or mold growth, take immediate action to fix it before it causes more damage to your property.


Moisture barriers are one of the most effective ways to protect your home from moisture without having to worry about leaks and unwanted mold growth. Homeowners should invest in this simple, yet very important measure for protecting their property.

Home moisture barrier repairs can be one of the quickest, most effective solutions to a multitude of moisture-related home problems. If you are experiencing issues with your barrier, Pillar Roofing & Construction can help create effective, long-term solutions.

Contact us via phone or email for a free quote and to set up a time to discuss your options for correcting the problem.

Related Posts
  • Reasons Why You Must Examine Your Roof Regularly Read More
  • 5 Actions to Take After Rainstorm Commercial Roof Damage Read More
  • 3 Worthwhile Tips For Inspecting Your Roof Read More