What Size Plywood for Roof? 3 Roof Tips


Choosing the right plywood for roofing is critical for ensuring the durability and longevity of your roof. The wrong choice can lead to costly repairs or even a complete replacement in the future. When selecting plywood for your roof, there are several factors to consider, including thickness, grade, and type. In this article, we'll cover these factors in detail and provide tips on how to install plywood for roofing properly. Additionally, we'll introduce you to Pheitan Wood - a reliable plywood supplier with 17 years of experience.

Plywood Thickness for Roofing

What Size Plywood for Roof? -Plywood Thickness for Roofing

When it comes to selecting the right plywood for roofing, thickness is a crucial factor to consider. The thickness of plywood required for your roof will depend on the slope of your roof and its load-bearing capacity.

Ideal plywood thickness for low slope roofs

For low slope roofs, a minimum thickness of 3/8 inch is recommended. However, if the roof has a higher load-bearing capacity, plywood with a thickness of 1/2 inch or greater can be used. It's important to note that thicker plywood will provide better stability and durability.

Ideal plywood thickness for steep slope roofs

For steep slope roofs, thicker plywood is recommended due to the increased risk of wind uplift and water penetration. A minimum thickness of 1/2 inch is recommended, but 5/8 inch or even 3/4 inch may be required depending on the specific conditions.

Minimum plywood thickness requirements for roofing

The International Building Code (IBC) requires a minimum plywood thickness of 15/32 inch for roof sheathing in most areas with moderate wind speeds. However, areas with high wind speeds may require thicker plywood.

Impact of plywood thickness on roofing durability

The thickness of your roofing plywood can have a significant impact on its durability and lifespan. Thicker plywood provides better resistance against moisture damage and warping over time.

Pheitan Wood offers a variety of high-quality roofing plywoods in various sizes and grades suitable for different types of roofs. As a Reliable Plywood Supplier with 17 Years of Experience, Pheitan Wood ensures their products meet industry standards and are made from sustainable materials.

In conclusion, choosing the right size and type of plywood for your roof is essential to ensure its longevity and stability in different weather conditions. By considering factors such as slope, load-bearing capacity, and local building codes when selecting your roofing plywood, you can ensure a durable and reliable roof for your property.

Plywood Grade for Roofing

Selecting the right plywood grade is crucial for the longevity and durability of your roof. Plywood grades are determined by their strength and appearance, with A being the highest quality and D being the lowest. Here are some factors to consider when choosing plywood grade for roofing.

Best plywood grades for roofing

The best plywood grades for roofing are A and B. These grades have minimal defects, such as knots or splits, and offer excellent strength and durability. They also have a smooth surface that makes it easier to install shingles or other roofing materials.

Recommended plywood grades for low budget roofing

If you're on a tight budget, CDX is a good option as it is more affordable than A or B grade plywood. CDX has a C grade front face with knots and defects, but its back face is smoother than D grade plywood.

Impact of plywood grade on roofing lifespan

The higher the quality of your plywood, the longer your roof will last. Investing in high-quality A or B-grade plywood will save you money in the long run by reducing repair costs and increasing roof lifespan.

Importance of checking plywood grade certification

It's important to check if your selected plywoods have been certified by APA (The Engineered Wood Association) or any other reputable certification organization to ensure that they meet industry standards.

At Pheitan Wood, we offer high-quality A and B-grade plywoods that are certified by APA to guarantee their strength and durability. Our 17 years of experience in supplying reliable plywoods make us one of the most trusted suppliers in the market.

In conclusion, selecting the right plywood grade is crucial for ensuring a long-lasting roof that can withstand harsh weather conditions. Choose high-quality A or B-grade plywoods from reputable suppliers like Pheitan Wood to ensure that your investment pays off in terms of durability and longevity.

Plywood Type for Roofing

When it comes to selecting the right plywood for your roofing needs, there are a few different types to consider. CDX plywood is a popular choice due to its durability and affordability. It is made of multiple layers of wood veneers that are glued together, with the outermost layers being of a lower grade and the inner layers being of a higher grade. This makes it an ideal choice for roofing projects that require strength and stability.

Another option is OSB plywood, which stands for oriented strand board. It is made by compressing strands of wood into panels using heat and pressure. OSB plywood is known for its strength and resistance to moisture, making it a great choice for roofing projects in areas with high humidity or frequent rainfall.

There are also other recommended types of plywood for roofing, such as ACX plywood which has a smoother surface than CDX and can be used in applications where appearance matters. Additionally, marine-grade plywood is an excellent option if your roof will be exposed to saltwater or other harsh conditions.

The impact of plywood type on roofing strength cannot be overstated. It's important to choose the right type of plywood based on your specific project needs to ensure maximum durability and longevity.

As a reliable supplier with 17 years of experience, Pheitan Wood offers high-quality CDX and OSB plywood options for all your roofing needs. Our products are certified by industry standards organizations, ensuring that you receive only the best quality materials for your project.

What Size Plywood for Roof? Pheitan's Guide

In conclusion, choosing the right type of plywood for your roofing project can make all the difference in terms of strength, durability, and overall performance. Whether you opt for CDX or OSB plywood or another recommended type, make sure to consider factors such as moisture resistance and surface smoothness when making your selection. And when it comes to sourcing quality materials at competitive prices, Pheitan Wood has got you covered.

Tips for Installing Plywood for Roofing

Proper installation of plywood is crucial to ensure a durable and long-lasting roof. Here are some tips to follow when installing plywood for roofing:

Importance of proper measurements when installing plywood for roofing

Before installing plywood, it is important to measure the roof accurately to determine the amount of plywood needed. Using the wrong size of plywood can lead to weak spots on the roof, which can result in leaks or even collapse.

Best practices for installing plywood for roofing

When installing plywood, it is important to use proper fasteners such as screws or nails that are appropriate for the thickness and type of plywood being used. It is also recommended to overlap the seams of each sheet by at least 6 inches and stagger them in a brick-like pattern.

Recommended tools for installing plywood for roofing

To install plywood properly, you will need basic tools such as a circular saw, drill, hammer, and level. It is also recommended to use safety equipment such as gloves and goggles.

Importance of letting plywood acclimate before installation

Plywood needs time to adjust to its environment before installation. It is recommended to let the sheets acclimate for at least 48 hours in the same room where they will be installed. This helps prevent warping or buckling due to changes in temperature or humidity.

When it comes to selecting what size and kind of plywood you need for your roof overhang extension or sheathing, it is important to consider factors such as slope, budget, and durability requirements.

Pheitan Wood offers a variety of high-quality roofing plywoods that are ideal for any roofing project. As a reliable supplier with 17 years of experience in the industry, Pheitan Wood provides quality assurances that ensure customer satisfaction.

In conclusion, proper installation techniques and careful consideration when selecting what size and type of plywood you need are essential for a successful roofing project. Choose Pheitan Wood for your roofing plywood needs and rest assured that you are getting the best quality products available.

Pheitan Wood’s Offerings for Roofing Plywood

When it comes to choosing the right plywood for your roofing needs, Pheitan Wood is a reliable supplier with 17 years of experience in the industry. They offer a wide range of high-quality roofing plywood options that are guaranteed to meet your specific requirements.

Overview of Pheitan Wood’s roofing plywood offerings

Pheitan Wood offers a variety of plywood thicknesses, grades, and types that are suitable for different roofing applications. They have low slope and steep slope roofing options available in various sizes and dimensions to ensure you get the perfect fit for your project.

Quality assurances from Pheitan Wood

Quality is paramount when it comes to roofing plywood, and Pheitan Wood understands this better than anyone else. They source their plywood from reputable manufacturers who adhere to strict quality standards, ensuring that only the best products are delivered to their customers.

Benefits of choosing Pheitan Wood for roofing plywood

Choosing Pheitan Wood as your supplier comes with several benefits. Firstly, they offer competitive prices without compromising on quality. Secondly, they have an extensive selection of roofing plywoods available, making it easy for you to find what you need. Lastly, they have excellent customer service and support that ensures a smooth buying experience.

Customer success stories with Pheitan Wood roofing plywood

Pheitan Wood has helped many customers achieve their desired results with their high-quality roofing plywoods. Their products have been used in various projects ranging from residential homes to commercial buildings with great success.

In conclusion, selecting the right size and type of plywood is crucial when it comes to ensuring the longevity and durability of your roof. With Pheitan Wood’s extensive range of offerings and quality assurances, you can rest assured that you’re making the right choice when it comes to selecting your supplier for roofing plywoods.


Choosing the right plywood for roofing is crucial to ensure the longevity and durability of your roof. By considering factors such as thickness, grade, and type of plywood, you can make an informed decision that will save you time and money in the long run. Here are some tips to keep in mind when selecting plywood for roofing:

Recap of the importance of choosing the right plywood for roofing

Plywood serves as a foundation for your roof and provides structural support. Choosing the wrong type or size of plywood can lead to a weak roof structure that is prone to damage, leaks, and other issues.

Summary of tips for selecting plywood for roofing

When selecting plywood for roofing, consider factors such as thickness, grade, and type. For low slope roofs, choose a thicker plywood with a higher grade certification. Proper measurements are also crucial when installing plywood for roofing.

Final recommendations for roofing plywood

For optimal results, we recommend using CDX or OSB plywood with a minimum thickness of 5/8. It's also important to check the grade certification before purchasing any plywood.

Closing thoughts on Pheitan Wood’s role in roofing plywood.

At Pheitan Wood, we understand the importance of choosing high-quality materials for your construction needs. With 17 years of experience as a reliable supplier of various types of wood products including roofing plywoods, we take pride in offering top-notch products with quality assurances that meet or exceed industry standards.

Whether you're looking for CDX or OSB plywoods or other recommended types such as ACX or T1-11 plywoods, our team is here to help you make an informed decision that fits your budget and meets your specific needs.

Don't settle for less when it comes to your construction projects – trust Pheitan Wood's expertise and commitment to quality!