Best Plywood for Attic Floor in 2024 | Top 5 Picks Revealed!

plywood for attic floor

Plywood is a versatile building material that can be used for a variety of purposes. These plywood boards can be used for Attic Floors, which can be used to reduce sound transmission and provide insulation against extreme temperatures in the attic.

A common material for attic flooring is plywood because it is lightweight and inexpensive. But this type of wood is prone to warping or cracking when exposed to moisture. This is why you need to choose the best plywood for attic floor. 

The purpose of this article is to discuss the top 5 most suitable plywood for attics. Additionally, we will discuss some of the essential factors to consider when selecting the appropriate one, as well as some FAQs for additional information.

Anderson Plywood Attic Flooring Panels

Woodcrafter Plywood for Attic Storage

WOODNSHOP Plywood Attic Floor

Best Plywood for Attic Floor : Our Top 5 Recommendations

Insulating your attic floor with plywood is an easy and cost-effective process. It is relatively easy to install plywood panels in an attic, and they are designed specifically for this purpose.

Moreover, these panels are available in a variety of thicknesses, so you can select the right level of attic insulation for your particular application. The following are our top five choices for best attic flooring:

01. Anderson Plywood Attic Flooring Panels

If you’re looking for a durable and versatile attic flooring panel, look no further than Anderson Plywood’s Baltic Birch Plywood. These panels are made from top-quality birch wood.

Baltic Birch Plywood is a suitable material to use for flooring panels. It is B/BB grade plywood, which means it is made of high-quality birch and has a smooth, uniform finish.

This panel is constructed from a thick layer of Baltic Birch plywood, which makes them tough enough to easily cut through saws and laser cutters. Also, this plywood is strong enough for heavy-duty use. This makes them well suited for any production woodwork.

These best plywood for attic flooring panels are an excellent way to complete your project. With a variety of colors and finishes to choose from, you can find the right panels for your needs.

The panels are also appropriate for a variety of other projects, such as school projects, arts and crafts, and DIY projects.

Made from Baltic Birch, these panels are strong and durable, and their light color is appealing. They feature a uniform grain and smooth texture, making them a great choice for any space.

Anderson Plywood attic flooring panels are a stylish way to finish your attic space. The panels are made from Baltic birch, which is a type of wood that is known for its durability and beauty. This makes the panels a wise choice for a variety of projects, from cabinetmaking to construction.

Highlighted Features:

  • Made from top-quality birch wood
  • B/BB plywood means it is made from high-quality birch
  • Baltic Birch plywood is thick enough to make them durable
  • Perfect for heavy-duty use
  • Light color is appealing

02. Woodcrafter Plywood for Attic Storage

The Woodcrafter plywood is a superior option for attic storage, attic dek, and attic floor because it is a high-quality, cabinet-grade Baltic Birch product. Consequently, the plywood can withstand heavier loads than some other types of plywood.

This plywood is a wise choice for projects that require a lot of strength and stability. The birch construction creates a solid sheet that is resistant to warping and bending. This plywood is also a suitable choice for storage projects, as the strong construction will hold up to the weight of stored items.

It is incredibly strong and durable, so you can be sure that your belongings will be safe and secure. The plywood is also uniform throughout the entire sheet, so you can be sure that your storage space will look neat and tidy.

Made of high-quality wood, it is durable and strong and has been precut for ease of use. This product is a smart choice for anyone who wants to create storage space in their attic quickly and easily.

This best plywood for attic storage is a great material for attic storage because it is strong and lightweight. Woodcrafter plywood is a reliable choice because it has a clean-cut edge that makes it easy to attach to the attic floor or exterior wall.

It is easy to install and can be cut to fit any size of space. The plywood is also lightweight, making Woodcrafter plywood for attic storage easy to move around, and it needs pre-sanded so you can start using it right away.

Highlighted Features:

  • High quality, cabinet grade Baltic Birch product
  • Resistant to warping and bending
  • Uniform throughout the sheet
  • Clean-cut edge for easy attachment
  • Lightweight and easy to move around

03. ‎WOODNSHOP Plywood Attic Floor

The WOODNSHOP plywood is a suitable option for an attic floor because it is sturdy and moisture-resistant. It can handle a lot of weight, making it well suited for a floor that will be used frequently.

This plywood is a suitable choice for flooring because it is durable and easy to work with. The smooth side is perfect for finishing, while the other side can be used as-is or sanded down for a more polished look. Also, the fir construction makes it durable and strong.

The material for flooring provides a smooth and clear surface. While it may have some minor blemishes or occasional knots, this product is still sure to look great in any space. Plus, it is untreated, so it will weather well.

It has no voids between the plys, so you can be sure that it will be a strong and sturdy floor. It’s also easy to install, so you can get it up quickly and start enjoying your new floor. This type of plywood has solid plys with no voids, and the exterior glue is resistant to moisture and water damage.

The WOODNSHOP plywood attic floor is a great way to add an extra level of insulation to your home while also providing a finished surface. The CNC machine does not leave the material with as clean of a cut edge as the laser, but this can be easily trimmed with a hand saw or router.

Highlighted Features:

  • As a flooring material, it can handle a lot of weight
  • The smooth side is perfect for finishing
  • It has no voids between the plys
  • The other side can be left as-is or sanded down
  • Fir construction makes it durable and strong
  • The wood is untreated, so it will weather well

04. Woodcraft Woodshop Attic Plywood Floor

The Woodcraft Woodshop plywood is made with Baltic birch and is perfect for use in a woodshop attic. This plywood is strong and durable, making it the perfect choice for a floor in an attic space.

According to the B-BB grade, there is only one face of the plywood that will have any splices or patches, so the other face will be flawless. This makes it a great choice for projects that require a high level of quality and precision.

The product is made with durable plywood that will not easily warp or bend. The quality of the screw holding power is great, as it will not easily come loose. It is also easy to install.

This plywood is made from birch sourced from Russia and Finland, so you can rest assured that it will hold up to wear and tear. Additionally, this plywood is a functional grade, meaning that it can be used for a variety of purposes.

The plywood floor in the attic is a great way to save on materials while still getting a sturdy and attractive floor. It uses interior glue, so you don’t have to worry about moisture getting in, and the plies are of lesser quality, making it less expensive than Baltic birch.

It is graded as a B-BB, which means that one face, B, will be a whole face, no splices, no patches, but may contain knot patterns or mineral streaks. This makes the Woodcraft Woodshop attic plywood floor a great choice for high traffic areas or areas that may see moisture

Highlighted Features:

  • One face is free of splices or patches
  • Screw holding power is great
  • Birch sourced from Russia and Finland
  • Strong and durable also Functional grade
  • Uses interior glue and plies of lesser quality

05. ‎CAPITOL CITY LUMBER Plywood for Attic Floor Storage

The CAPITOL CITY LUMBER plywood is a sturdy option for attic floor storage. It is constructed of marine-grade plywood, making it strong and durable. It is also treated to resist moisture and decay, making it a suitable choice for use in an attic.

There are no voids between the plys, making it durable and long-lasting. This plywood would be perfect for anyone looking for a reliable storage solution for their attic. Additionally, this BB/CP grade plywood can have minor blemishes or knots.

This Marine grade plywood is made from high-quality Fir or Baltic Birch, so you can be sure it will hold up well even in harsh conditions. Plus, the unfinished plywood is easy to customize to your needs, so you can be sure it will perfectly suit your needs.

The smooth front surface is perfect for a finished look. While, it has a CP grade backside, which means that it is able to withstand blemishes and occasional knots. This makes it a wise choice for an attic floor, where there may be some bumps and bruises.

Plywood with no voids made with solid plys is ideal for heavy-duty applications. Plus, the pholic exterior glue provides extra protection against moisture and weathering.

This plywood is appropriate for attic floor storage. It is not treated, so it is ideal for indoor use. CAPITOL CITY LUMBER plywood for attic floor storage is sold in larger sheets at the lumber yard and can be cut down to smaller sizes to fit your needs.

Highlighted Features:

  • Made of marine-grade plywood
  • Made of exterior glue with no voids between plys
  • Plywood is made from high-quality Fir or Baltic Birch
  • Unfinished plywood is easy to customize
  • A smooth front surface is perfect for a finished look
  • CP grade backside means it can withstand blemishes and occasional knots

These are our top 5 picks for the best boards for attic floor. These products are recommended for their quality and durability, which is essential on any floor. But there are some factors to consider when choosing the right board for your needs.

Plywood for Attic Floor – Factors to Consider

ceiling joist

There are lots of different types of plywood available for attic floor, and it can be hard to decide which one is right for your project. When it comes to choosing the best material for attic flooring there are a few things you need to keep in mind.

01. Plywood Size:

You’ll need to consider the best size plywood for attic floor you are looking for. Some are available in large sheets, while others are sold in smaller pieces at your local lumber store. You’ll also want to make sure it will easily fit up the stairs and through doors.

02. Plywood Thickness:

Plywood thickness is one of the most important factors to consider. The thicker the plywood, the more support it will provide. This is essential when considering which plywood for the attic floor you’ll use in your home. Thicker plywood will maintain its shape under pressure and weight better than thinner pieces.

03. Plywood Grades:

When choosing plywoods for your flooring, you’ll need to consider the plywood grades. There are several different types of grades that can affect how well your new plywood can hold up.

Use furniture-grade plywood for household projects, but if it will be used in a commercial space or room often walked on by people you may want to consider using commercial-grade plywood.

04. Plywood Moisture:

floor joist

Moisture can also play a significant role in your plywood for the attic. When moisture is present and the humidity level rises, it can cause degradation or splitting of the plywood boards. You’ll want to use exterior-grade plywoods that are treated with water-resistant exterior glue to prevent this.

05. Plywood Color:

The color of your plywood for the attic can also affect how it holds up overall. When selecting the right plywood for your project, consider choosing a wood grain that will coordinate well with other finishes in your house or building.

This way you know the colors will transition well and it will look good with the rest of your decor.

06. Plywood Appearance:

Finally, you’ll need to consider the overall appearance of your plywood for the attic. It’s important that the boards look good in your space, but it’s also essential that they are easy to install and use.

You can choose plywoods with a smooth surface or one that is pre-sanded so you don’t have to do any sanding before you start your project.

If you’re replacing an old floor, remember to take into account what type of plywood is best for attics and other similar spaces.

If you are planning on building a new attic floor, ensure that you select plywoods that are appropriate for the job. By considering these factors, you can find the most suitable plywood for your needs.

Frequently Asked Questions

Installing a plywood floor in your attic is a great way to add some extra storage space, and it’s much cheaper than installing traditional flooring materials. Let’s talk about some frequently asked questions for more information:

01. Can I Put the Plywood in My Attic for Storage?


Yes, but you’ll need to make sure the best plywood for attic storage is resistant to moisture if it’s going to be used for storage. You’ll also want to consider how heavy items will be stacked on top of your plywood to avoid any damage or warping.

02. How to Install Attic Floor for Storage?

The best flooring for attic storage can be installed in much the same way as other types of plywood flooring. Make sure your subfloor is level, then begin installing your plywood panels. You should leave a small gap between each panel to provide room for airflow and prevent moisture buildup.

03. What Thickness of Plywood Should I Use for Flooring?

It is recommended by some professionals to use 15/32-inch plywood for attic joists that are 16 inches or less apart, but slightly thicker 3/4-inch plywood will be needed for joists that are more than 16 inches apart.

04. What is the Most Suitable Plywood for Attic Floor Storage?

The best plywood for attic storage is one that has exterior-grade glue and moisture-resistant characteristics. When the joist spacing is 16 inches, the thinner plywood is acceptable.

However, you should always use 3/4-inch plywood if you want to finish the attic and turn it into a living space.

In Conclusion

While you can use other materials for your attic floor, plywood is a good option because it is strong and relatively inexpensive. It’s also easy to work with, so you can install it yourself without too much trouble. 

If you are thinking about installing an attic floor, we recommend using the best plywood for attic floor. It will make the job easier and give you a solid surface on which to stand or store things.

Plywood for attic flooring is a great way to add storage space and make your home more versatile. Installing plywood in an attic can seem intimidating, but with the right type of plywood, you’ll be able to do it yourself or hire professionals who will help turn your house into something even better than what you imagined!

Best Plywood for Attic Floor in 2024 | Top 5 Picks Revealed!

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