Kentucky Home Exteriors

Can You Put James Hardie Siding Over Existing Siding?

hardie siding over existing siding

Table of Contents

When it comes to home renovations, updating the exterior siding is a significant decision that can dramatically change the appearance and value of your property. Among the various siding options available, James Hardie siding, also known as Hardie Board, stands out for its durability and aesthetic appeal. However, a common question often arises: can you install Hardie siding over existing siding? This blog post aims to answer this question in detail.

Understanding James Hardie Siding

Before exploring the possibility of installing Hardie siding over existing materials, it’s crucial to understand what James Hardie siding is. This type of siding is made from fiber cement, a robust mix of wood pulp, cement, and water. This composition gives it strength, making it resistant to fire, weather, and pests. Its versatility also allows for a variety of designs and colors, making it a popular choice for homeowners.

The Feasibility of Installing Hardie Siding Over Existing Siding

Assessing the Current Siding Condition

To determine if you can install James Hardie siding over your existing siding, the first step is to assess the condition of the current siding. If your existing siding is in poor shape, with issues like rot, mold, or structural weakness, it would be unwise to simply cover it up. These problems can continue to deteriorate underneath the new siding, leading to more significant issues in the future.

Considering the Type of Existing Siding

The type of your current siding also plays a crucial role. Hardie siding can be installed over certain types of siding, like wood or vinyl, but it’s not advisable to install it over stucco or brick. This is because the uneven surface of these materials can cause installation issues, affecting the stability and appearance of the new siding.

Benefits and Challenges of Installing Over Existing Siding

Advantages of Layering Siding

Installing James Hardie siding over existing siding can offer benefits like reduced labor costs and less waste, as there’s no need for removal and disposal of the old siding. It also adds an extra layer of insulation, potentially improving energy efficiency.

Challenges to Consider

However, there are challenges. The added weight of the Hardie siding could be too much for the existing structure, especially if the old siding is already heavy. It’s essential to consult with a professional to ensure your home can support the additional weight.

Professional Installation is Key

Importance of Expert Evaluation

For homeowners considering installing Hardie siding over existing siding, consulting with a professional installer is crucial. They can evaluate the condition of your current siding, the compatibility of materials, and the structural integrity of your home.

Quality Installation for Long-Term Benefits

A professional will ensure proper installation, which is vital for the longevity and performance of James Hardie siding. Incorrect installation can lead to issues like moisture buildup, which can damage both the new and old siding.

Conclusion: Making an Informed Decision

While it’s possible to install James Hardie siding over existing siding under certain conditions, it’s a decision that requires careful consideration of various factors. By understanding the nature of your existing siding, the benefits and challenges, and the importance of professional installation, you can make an informed decision that ensures the beauty and durability of your home’s exterior for years to come.

Are you ready to transform the exterior of your home with James Hardie siding? Reach out to our expert team today and take the first step towards a durable and beautiful home exterior.

Chris Demuth

Chris DeMuth

Founder & CEO

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.


Owner & CEO

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Gravida neque convallis a cras semper auctor neque vitae.


Limited Time Offer