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Should I Put A Floor In My Attic?

By December 4th, 2023Attic Renovation, Renovations

The attic is often an overlooked space in a home, often used for storage or left empty. However, with the right modifications, it can become a functional and valuable part of your living space.

One of the most important considerations when deciding what to do with your attic is whether or not to put a floor in it. There are many factors to consider, including the type of floor, the cost, and the intended use of the space. In this article, we will explore the benefits and drawbacks of putting a floor in your attic to help you make an informed decision.

Should I Put A Floor In My Attic?

Whether or not to put a floor in your attic depends on several factors and considerations. Here are a few things to think about:

  1. Intended use: The first question to ask yourself is what you plan to use the attic space for. If you’re simply using it for storage, then a floor might not be necessary. However, if you plan to convert the attic into a living space or a playroom, then a floor is a must.
  2. Accessibility: Another thing to consider is whether or not you need easy access to the attic. If you plan on using it for storage, you may not need regular access, and therefore a floor may not be necessary. However, if you plan to convert the space into a bedroom or home office, then you will likely need regular access, which means a floor will be needed.
  3. Structural integrity: Before adding a floor to your attic, you need to ensure that the structure can support the additional weight. You will need to have a professional assess the structural integrity of your home to determine if a floor is feasible.
  4. Cost: Putting a floor in your attic can be expensive, especially if you need to reinforce the structure. You will need to factor in the cost of materials and labor when deciding whether or not to add a floor.

Overall, whether or not to put a floor in your attic ultimately depends on your intended use of the space, accessibility needs, the structural integrity of your home, and the cost. If you plan to convert the attic into a living space, you will likely need a floor, but if you’re simply using it for storage, a floor may not be necessary. It’s always best to consult with a professional before making any major changes to your home’s structure.

Benefits Of Having A Floor In The Attic

Having a floor in the attic can bring numerous benefits to homeowners. Here are some of the most important benefits of having an attic floor:

  1. Increased storage space: One of the most significant benefits of having a floor in the attic is the additional storage space it provides. Attics are often underutilized areas in a home, and adding a floor can create a functional and organized storage area for items that are not frequently used, such as seasonal decorations or luggage.
  2. Improved energy efficiency: An attic with a floor can provide additional insulation to the home, which can help to reduce energy costs. The additional insulation can help to prevent the loss of heat during the winter months and keep the home cooler during the summer months.
  3. Enhanced safety and ease of access: Walking on the rafters in the attic can be dangerous, particularly if the area is not well-lit or if there are obstacles in the way. Installing a floor can provide a safer and more stable surface for walking, making it easier to access the attic and reducing the risk of accidents.
  4. Increased home value: Adding a floor to the attic can increase the value of a home. The additional storage space and improved energy efficiency can be attractive features for potential buyers, making it a worthwhile investment for homeowners.
  5. More functional space: An attic with a floor can become a more functional space for homeowners. It can be used as a home office, a playroom for children, or even a spare bedroom. The additional square footage can add value and versatility to a home.

Overall, installing a floor in the attic can bring several benefits to homeowners, including increased storage space, improved energy efficiency, enhanced safety and ease of access, increased home value, and more functional space. It is an investment worth considering for homeowners who want to maximize the potential of their home.

Factors To Consider Before Putting A Floor In The Attic

Before putting a floor in the attic, there are several factors that homeowners should consider to ensure that the project is safe, practical, and in compliance with local building codes. Here are some important factors to consider:

  1. Structural considerations: Before installing a floor, it is essential to assess the strength and load-bearing capacity of the attic. The weight of the floor, along with any additional items stored on it, can put a significant amount of stress on the ceiling joists and beams. It is crucial to consult with a structural engineer or a professional contractor to ensure that the attic can support the added weight.
  2. Building codes and regulations: Building codes and regulations vary by state and municipality, and it is important to check with the local building department to ensure that the project complies with all applicable regulations. This can include requirements for insulation, ventilation, and fire safety.
  3. Insulation and ventilation requirements: The installation of a floor can affect the insulation and ventilation of the attic. If the attic is not adequately insulated or ventilated, it can lead to moisture problems, which can cause damage to the structure and reduce energy efficiency. It is essential to assess the insulation and ventilation needs of the attic before installing a floor.
  4. Electrical and HVAC systems: The installation of a floor can also affect the electrical and HVAC systems in the attic. If the attic contains any electrical or HVAC equipment, it is important to ensure that the installation of the floor does not interfere with these systems.
  5. Accessibility: Installing a floor can make the attic more accessible, but it is important to consider how the floor will be accessed. Will a staircase or pull-down ladder be required? Will there be enough headroom to move around comfortably? These are important considerations to ensure that the attic is functional and practical.

Overall, homeowners should carefully consider several factors before putting a floor in the attic. Structural considerations, building codes and regulations, insulation and ventilation requirements, electrical and HVAC systems, and accessibility are all important factors that should be taken into account to ensure that the project is safe, practical, and in compliance with local regulations. Consulting with a professional contractor or engineer can help homeowners to make informed decisions and ensure that the project is successful.

Types Of Attic Flooring

When it comes to attic flooring, there are several options to choose from depending on your needs and preferences. Here are some of the most common types of attic flooring:

  1. OSB/Plywood: Oriented strand board (OSB) or plywood are popular choices for attic flooring. They are strong and durable, and can handle the weight of items stored on top of them. They can also be easily cut to fit the space, making installation straightforward.
  2. Chipboard: Chipboard is a cheaper alternative to OSB or plywood. While it’s not as strong, it can still provide a solid surface for storage and light foot traffic. It’s also easy to cut and install.
  3. Tongue and Groove Boards: Tongue and groove boards are interlocking boards that fit together to create a solid surface. They are often used for aesthetic purposes as they can give the attic a finished look. However, they are not as strong as OSB or plywood and may not be suitable for heavier loads.
  4. Attic Dek: Attic Dek is a modular flooring system designed specifically for attics. The interlocking panels are made from high-impact polypropylene and can support up to 250 pounds per square foot. They are easy to install and can be cut to fit the space.
  5. Insulated Attic Flooring: Insulated attic flooring is designed to not only provide a solid surface for storage but also to increase energy efficiency. These systems typically have a layer of insulation built into the boards or panels, helping to keep the attic space warm in the winter and cool in the summer.

When choosing attic flooring, it’s important to consider factors such as weight-bearing capacity, insulation, and cost. By selecting the right type of flooring for your attic, you can create additional storage space and increase the overall functionality of your home.

Steps To Installing Attic Flooring

Installing attic flooring can be a great way to increase storage space and add functionality to your home. However, it is important to follow proper steps to ensure the project is done safely and effectively. Here are some general steps to installing attic flooring:

  1. Preparation and planning: Before installing flooring, it is important to clear out the attic and assess the space. Check for any potential hazards such as electrical wires or HVAC equipment that may require relocation or protection. Plan the layout of the floor to optimize storage space and accessibility.
  2. Measure and cut the boards: Measure the space to determine how much material will be needed. Use a circular saw or jigsaw to cut the boards to fit the shape of the attic, taking care to make accurate and precise cuts.
  3. Installation techniques: Depending on the type of flooring, there are different installation techniques to follow. For plywood or OSB board, nail or screw the boards into the joists, ensuring that they are secure and evenly spaced. For attic flooring systems, follow the manufacturer’s instructions for installation.
  4. Finishing touches: Once the flooring is installed, add additional touches to improve the functionality of the space. Install shelves or cubbies to help with organization, and add lighting to improve visibility.
  5. Insulation and ventilation: After installing the flooring, assess the insulation and ventilation of the attic. If needed, add additional insulation or ventilation to ensure that the space is properly protected from moisture and heat loss.
  6. Safety considerations: Be sure to take appropriate safety precautions throughout the installation process, such as wearing protective gear and working with a partner. Additionally, be mindful of weight limits and load-bearing capacity to avoid accidents or damage to the structure.

Overall, installing attic flooring can be a great way to add storage and functionality to your home. Following proper steps to ensure a safe and effective installation, such as preparation and planning, measuring and cutting the boards, proper installation techniques, finishing touches, insulation and ventilation, and safety considerations, can help you achieve the desired results.

Cost Of Attic Flooring

The cost of attic flooring can vary widely depending on several factors, including the size of the attic, the type of flooring materials used, and whether or not professional installation is required. Here are some factors to consider when estimating the cost of attic flooring:

  1. Size of Attic: The larger the attic, the more flooring materials will be required, which will increase the cost. It’s important to accurately measure the attic space before purchasing any flooring materials.
  2. Type of Flooring: The cost of flooring materials can vary widely depending on the type of material used. OSB or plywood will typically be more expensive than chipboard or tongue and groove boards. Attic Dek and insulated attic flooring may also be more expensive options.
  3. Installation: The cost of professional installation will vary depending on the complexity of the project and the contractor’s rates. DIY installation is an option, but may not be suitable for all homeowners.
  4. Additional Costs: In addition to flooring materials and installation, there may be additional costs to consider, such as insulation, additional supports, or repairs to the attic structure.

Generally, the cost of attic flooring can range from a few hundred to a few thousand dollars depending on the above factors. It’s important to consider the potential benefits of attic flooring, such as increased storage space and increased home value, when making a decision about whether or not to invest in this type of modification.

Maintenance And Repair Of Attic Flooring

Maintaining and repairing your attic flooring is important to ensure that it remains in good condition and continues to provide a safe and functional storage space. Here are some tips for maintaining and repairing attic flooring:

  1. Regularly Inspect: Regularly inspect the flooring to look for signs of damage, such as cracks, warping, or sagging. These can indicate structural issues that need to be addressed.
  2. Keep It Clean: Keep the attic flooring clean by sweeping or vacuuming regularly. This will prevent dust and debris from accumulating, which can make the floor slippery and potentially hazardous.
  3. Address Moisture Issues: Moisture can cause damage to attic flooring, so it’s important to address any issues with leaks or humidity. This may involve repairing the roof or installing ventilation to improve air circulation.
  4. Reinforce Joists: If you notice that the attic flooring is sagging or feels unstable, it may be necessary to reinforce the joists or install additional supports. This will ensure that the flooring can support the weight of items stored on top of it.
  5. Repair Damaged Areas: If you notice any areas of the flooring that are damaged or worn, it’s important to repair them promptly. This may involve replacing individual boards or sections of the flooring.
  6. Be Careful with Heavy Items: Avoid storing excessively heavy items on the attic flooring, as this can cause it to sag or even collapse. If you need to store heavy items, consider installing additional supports or reinforcing the flooring.

By following these tips for maintaining and repairing your attic flooring, you can ensure that it remains safe and functional for years to come. If you’re unsure about how to address any issues, consult with a professional for guidance.


After considering the various factors involved, it is clear that whether or not to put a floor in your attic ultimately depends on your specific needs and circumstances.

If you have a lot of items to store and want to create additional usable space in your home, a floor in the attic can be a great solution. However, it’s important to ensure that your attic is suitable for this type of modification. You’ll need to check the weight-bearing capacity of your attic joists and the insulation in the attic, and take steps to address any issues before installing a floor.

In addition, you’ll want to consider the potential costs and benefits of adding a floor to your attic. While it can provide additional storage space and increase your home’s overall value, it can also be a costly project that requires professional installation.

Ultimately, the decision to put a floor in your attic is a personal one that requires careful consideration of your specific needs and circumstances. By weighing the pros and cons and consulting with professionals if necessary, you can make an informed decision that will best serve you and your home.