6 Best Ways to Close Off a Fireplace

February 17, 2024

Discover the 6 best ways to seal off your fireplace! From glass doors to chimney balloons, choose the perfect method to keep the chill out.

Understanding the Need to Close Off a Fireplace

Closing off a fireplace is an important step in maintaining the energy efficiency of your home and ensuring the safety of your family. By sealing off a fireplace, you can prevent drafts, conserve energy, and reduce the risk of fires. Let's explore why it's necessary to close off a fireplace and the benefits it brings.

Why Close Off a Fireplace?

There are several reasons why you might want to close off a fireplace. Here are a few common reasons:

Energy Efficiency: An open fireplace can be a significant source of heat loss in your home. When not in use, the chimney and fireplace act as an open vent, allowing warm air to escape and cold air to enter. By closing off the fireplace, you can prevent drafts and improve the overall energy efficiency of your home.
Safety: An open fireplace can pose safety hazards, especially if you have children or pets. Burning embers or sparks can escape from the fireplace, increasing the risk of accidents and fires. Closing off the fireplace helps create a barrier, reducing the chances of accidents and keeping your loved ones safe.
Improved Indoor Air Quality: An open fireplace can introduce pollutants and allergens into your home. Smoke, dust, and other particles can enter your living space through the chimney. Closing off the fireplace can help improve indoor air quality, especially for individuals with respiratory conditions or allergies.

Benefits of Closing Off a Fireplace

Closing off a fireplace offers several benefits, including:

Energy Savings: By sealing off a fireplace, you can prevent warm air from escaping and cold air from entering your home. This helps reduce the load on your heating system, leading to energy savings and lower utility bills.
Enhanced Comfort: Drafts from an open fireplace can create chilly areas in your home, making it less comfortable. Closing off the fireplace eliminates these drafts and helps maintain a more consistent temperature throughout your living space.
Increased Safety: Closing off the fireplace provides a physical barrier that helps prevent accidental fires and keeps children and pets away from the potentially dangerous area.
Reduced Maintenance: A closed-off fireplace requires less maintenance compared to an active one. You won't need to clean the chimney as frequently, and there will be fewer ashes and debris to remove.

Assessing Your Fireplace

Before you begin sealing off your fireplace, it's important to assess its condition and identify any gaps or leaks that may need to be addressed. This assessment will help you determine the most effective methods for sealing off your fireplace and ensuring maximum efficiency. There are two key steps in this process: chimney inspection and identifying gaps and leaks.

Chimney Inspection

The first step in assessing your fireplace is to conduct a thorough chimney inspection. It is recommended to hire a professional chimney sweep to perform this inspection, as they have the necessary expertise and equipment. During the inspection, the chimney sweep will check for any signs of damage, creosote buildup, or structural issues that may affect the sealability of your fireplace.

Some common elements that are inspected during a chimney inspection include:

Chimney liner: The chimney liner plays a crucial role in preventing heat transfer and protecting the chimney structure. The inspector will check for any cracks, deterioration, or gaps in the liner that may compromise its functionality.
Masonry: If your fireplace has a masonry chimney, the inspector will examine the bricks or stones for any signs of damage, such as cracks, spalling, or loose mortar. These issues can contribute to gaps and leaks in the chimney.
Flue: The flue is the passageway through which smoke and gases escape. The inspector will ensure that the flue is clear of any debris or obstructions that could hinder proper ventilation.
Cap and crown: The chimney cap and crown help to prevent water, debris, and animals from entering the chimney. The inspector will check for any signs of damage or deterioration in these components.

By conducting a chimney inspection, you can identify any potential issues that may need to be addressed before sealing off your fireplace, ensuring a safer and more efficient sealing process.

Identifying Gaps and Leaks

Once you have completed the chimney inspection, the next step is to identify any gaps and leaks in and around your fireplace. These gaps can allow cold air to enter your home and warm air to escape, reducing energy efficiency and increasing heating costs. Here are some areas to pay attention to when identifying gaps and leaks:

Fireplace opening: Inspect the area around the fireplace opening for any visible gaps or cracks. These gaps can occur between the fireplace and the surrounding walls or between the fireplace and the hearth.
Damper: The damper is a movable metal plate that controls airflow in the chimney. Check for any gaps or leaks around the damper when it is in the closed position.
Ash dump: The ash dump is a small door located in the bottom of the fireplace that allows ash to be easily removed. Ensure that the ash dump door is tightly sealed when closed.
Chimney crown: Examine the chimney crown for any cracks or gaps that may allow water to enter. Water damage can lead to further deterioration of the chimney structure.
Flue pipe connections: If you have a wood-burning fireplace, inspect the connections between the flue pipe and the fireplace for any gaps or leaks. These connections should be properly sealed to prevent heat loss.

By identifying and addressing these gaps and leaks, you can effectively seal off your fireplace and improve the energy efficiency of your home.

Best Ways to Seal Off a Fireplace

When it comes to closing off a fireplace, there are several effective methods to consider. Each method offers its own benefits and considerations. Below, we explore six of the best ways to seal off a fireplace.

Fireplace Glass Doors

Fireplace glass doors are a popular and aesthetically pleasing option for closing off a fireplace. These doors are designed to fit in front of the fireplace opening, providing a barrier between the room and the fire. Not only do they enhance safety by preventing sparks and embers from escaping, but they also help to improve energy efficiency by reducing heat loss.

Fireplace Screens

Another effective way to seal off a fireplace is by using a fireplace screen. Fireplace screens consist of a metal mesh that acts as a barrier to prevent sparks and debris from entering the room. They come in various designs and sizes, allowing you to choose one that complements your interior decor while serving its purpose.

Fireplace Draft Stopper

A fireplace draft stopper, also known as a fireplace plug or chimney pillow, is an inflatable device that fits inside the fireplace opening to block drafts. These stoppers are made from durable materials that can withstand the heat and airflow from the chimney. By sealing the opening, they help to prevent cold air from entering the room and warm air from escaping.

Chimney Balloon

Similar to a fireplace draft stopper, a chimney balloon is designed to seal off the chimney flue. It is inserted into the flue and inflated, effectively creating a barrier that prevents drafts and heat loss. Chimney balloons are typically made from durable materials that can withstand high temperatures. It's important to follow the manufacturer's instructions for proper installation and removal.

Weatherstripping

Weatherstripping is a versatile option for sealing off a fireplace. It involves applying adhesive strips or gaskets around the edges of the fireplace opening to create an airtight seal. Weatherstripping helps to prevent drafts and heat loss, improving energy efficiency. It is important to choose weatherstripping materials that are suitable for high temperatures and can withstand the conditions near the fireplace.

Fireplace Cover

A fireplace cover is a more temporary solution for closing off a fireplace. It is typically made from fire-resistant materials and fits over the fireplace opening to block drafts and debris. Fireplace covers are available in various designs, including magnetic covers and fabric covers with adjustable straps. While they may not provide the same level of insulation as other methods, they can still be effective at reducing drafts and improving safety.

By considering these six best ways to seal off a fireplace, you can choose the method that suits your needs and preferences. Remember to prioritize safety and energy efficiency when selecting the appropriate solution.

Pros and Cons of Each Method

When it comes to closing off a fireplace, there are several methods available to choose from. Each method has its own set of advantages and considerations. Let's take a closer look at the pros and cons of each method:

Fireplace Glass Doors

Fireplace glass doors are a popular choice for closing off a fireplace. They provide a barrier between the interior of your home and the fireplace, preventing drafts and keeping the warm air inside.

Fireplace Screens

Fireplace screens are another option for closing off a fireplace. They consist of a metal mesh screen that is placed in front of the fireplace opening, acting as a barrier to sparks and embers.

Fireplace Draft Stopper

A fireplace draft stopper is a specially designed inflatable device that is inserted into the fireplace to block drafts and airflow.

Chimney Balloon

A chimney balloon is similar to a draft stopper, but it is specifically designed to seal the chimney flue. It is inserted into the chimney to block drafts and prevent heat loss.

Weatherstripping

Weatherstripping involves using adhesive strips or seals to create a tight seal around the fireplace doors or between the fireplace and the wall.

Fireplace Cover

A fireplace cover is a removable panel or cover that can be placed in front of the fireplace opening to block drafts and prevent heat loss.

By considering the pros and cons of each method, you can choose the option that best suits your needs and preferences. Remember to prioritize safety, energy efficiency, and aesthetics when closing off your fireplace.

Conclusion

Closing off a fireplace can be an effective way to improve the energy efficiency of your home and enhance safety. By conducting a chimney inspection and identifying gaps and leaks, you can determine the best method for sealing off your fireplace. With several options available, including fireplace glass doors, screens, draft stoppers, chimney balloons, weatherstripping, and fireplace covers, it's important to weigh the pros and cons of each method before making a decision.

Remember to prioritize safety and energy efficiency when selecting the appropriate solution. By following these tips and choosing the best method for your needs, you can enjoy a more comfortable home while reducing heating costs.