Have you ever wondered if those old rolls of tar paper lurking in your basement have a purpose beyond sealing roofs? Perhaps you’re about to embark on a hardwood floor installation and are tempted to layer it beneath your new planks, hoping to create an extra layer of protection. While the idea of using tar paper might seem appealing, it’s crucial to understand the potential consequences before you make a decision. This guide will delve into the history, pros, cons, and ultimately, the truth about using tar paper under hardwood flooring.
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Tar paper, a heavy-duty, asphalt-impregnated paper, has been a staple in construction since the early 20th century. It originally served as a moisture barrier and underlayment for roofing, but its use has evolved over time. Many DIY enthusiasts and even some contractors still swear by its effectiveness in various applications, including flooring. However, the modern building industry has largely moved away from this practice, favoring more advanced materials. Let’s explore why.
The Pros and Cons of Using Tar Paper Under Hardwood Flooring
The allure of tar paper lies in its affordability and ease of use. It’s readily available, relatively inexpensive, and can be easily cut and laid down. It seems like a simple solution for achieving a smoother, quieter floor and preventing moisture from damaging your hardwood. However, the convenience comes at a price: numerous disadvantages outweigh its perceived benefits.
Potential Benefits of Tar Paper
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Moisture Barrier: Tar paper can act as a barrier against moisture rising from the subfloor. This could be helpful in damp climates or areas prone to water damage.
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Sound Dampening: Adding a layer of tar paper can reduce the amount of noise that travels from the subfloor to the hardwood, creating a quieter and more comfortable living environment.
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Leveling: In some cases, tar paper might help smooth out slight imperfections in the subfloor, creating a more even surface for the hardwood planks.
Important Note: These benefits are often overstated and can be achieved more effectively and safely using dedicated underlayment materials designed specifically for hardwood flooring.
Drawbacks of Tar Paper
The disadvantages of using tar paper under hardwood flooring far outweigh any perceived benefits:
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Moisture Trapping: While tar paper can act as a barrier against moisture, it can also trap moisture between the subfloor and the hardwood, leading to mold growth and potential structural damage. This is especially risky in areas with high humidity or where there’s a risk of leaks.
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Unstable Surface: Tar paper lacks the necessary strength and stability to support the weight of hardwood flooring, making it prone to sagging and unevenness over time. This can lead to squeaking, creaking, and even premature wear and tear on the hardwood planks.
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Uneven Flooring: Tar paper is not designed to be a consistent base for hardwood flooring. Its uneven surface can cause warping and cupping in the hardwood, resulting in an aesthetically unappealing floor.
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Health Risks: Tar paper contains volatile organic compounds (VOCs) that can be harmful to your health.
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Flammability: Tar paper is highly flammable and can contribute to a fire hazard, especially in areas with high foot traffic or where moisture can accumulate.
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Limited Lifespan: Tar paper has a shorter lifespan compared to modern underlayment materials. It degrades over time, losing its moisture barrier properties and becoming brittle.
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Difficult to Remove: Removing tar paper from under hardwood flooring can be a tedious and messy task, posing a challenge when repairs or renovations are needed.
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Modern Alternatives to Tar Paper
The best way to achieve the benefits sought from tar paper while avoiding its drawbacks is to use modern underlayment materials designed specifically for hardwood flooring. These materials are engineered to provide moisture resistance, sound dampening, and stability, without compromising on safety or durability.
Types of Underlayment Materials
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Foam Underlayment: Provides excellent sound dampening and thermal insulation. It’s lightweight and easy to install.
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Rubber Underlayment: Provides excellent stability and moisture resistance. It’s durable and resistant to tearing.
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Cork Underlayment: Naturally sound-absorbing and moisture-resistant. Offers a warm and comfortable walking surface.
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Fiberboard Underlayment: Affordable and easy to install. Provides a solid foundation for hardwood flooring.
What to Do If You Already Have Tar Paper Under Your Flooring
If you already have tar paper under your existing hardwood flooring, it’s best to leave it undisturbed. Replacing it can be a difficult and messy endeavor. However, if you encounter any issues with moisture damage or unevenness, it’s best to consult a professional to assess the situation and determine the best course of action.
Can I Use Tar Paper Under Hardwood Flooring
The Bottom Line: Avoid Tar Paper Under Hardwood Flooring
In conclusion, using tar paper under hardwood flooring is outdated and poses significant risks. The potential benefits it offers are minimal, and the drawbacks outweigh them considerably. Modern underlayment materials provide superior performance, greater safety, and a longer lifespan, making them the best choice for any hardwood flooring installation. While you might be tempted to rely on the old-fashioned approach of using tar paper, it’s best to trust in the advancements of modern building materials and make informed decisions for a safe, healthy, and durable home.
