How to Make Stair Stringers: A General Guide

Welcome to our comprehensive guide on how to make stair stringers! If you’re planning on building your own stairs, then understanding how to create high-quality stair stringers will be a crucial component of your project. Stair stringers are the support structures that are installed on each side of a staircase, and they essentially hold the entire weight of the stairs and anyone who walks on them. By learning how to make proper stair stringers, you can ensure that your stairs are sturdy, safe, and durable for many years to come.

Steps how to make stair stringers

Step 1: Measure the Height of Your Stairs

First, measure the height that your stairs need to reach, from the ground to the top of your landing. This measurement will determine the rise of the stair stringer.

Step 2: Calculate the Number of Steps

Next, divide the height of your stairs by the desired height of each step. This will give you the number of steps that your staircase will need.

Step 3: Determine the Run of the Stairs

The run of your stairs refers to the distance from the front of the first step to the back of the last step. Measure the length of this distance to determine the overall run of your staircase.

Step 4: Make a Template for Your Stair Stringers

Using the measurements you just took, cut a piece of cardboard or paper to the exact size and shape of your stair stringers. This will serve as a template that you can use to cut your actual stair stringers.

Step 5: Mark the Notches on Your Stringer Template

Use your template to mark out the notches where each of your treads and risers will sit. These notches will need to be precise, so take your time and double-check your measurements.

Step 6: Cut Your Stair Stringers

Using your template as a guide, cut your actual stair stringers out of a piece of wood that is suitable for your project. Make sure that your cuts are precise and clean, as this will ensure the stability of your staircase.

Step 7: Install Your Stair Stringers

After you’ve cut your stair stringers, you can now install them on either side of your staircase. Use a level to make sure that your stringers are straight and level, and then secure them to your deck or landing with screws or bolts.

Step 8: Install Your Risers and Treads

With your stringers in place, install your risers and treads one by one, using nails or screws to attach them securely. Make sure that each riser and tread is level and securely attached before moving on to the next one.

Step 9: Sand and Finish Your Stairs

Once your staircase is complete, use sandpaper to smooth out any rough edges or imperfections in your wood. You can then finish your stairs with a coat of sealant or paint to protect the wood from moisture and wear.

Step 10: Add Handrails if Desired

If you want to add handrails or balusters to your staircase, now is the time to do so. Measure and cut your handrails to size, and then install them securely to your stair stringers and posts.

Step 11: Test Your Stairs for Stability

Before using your new staircase, make sure to test it for stability and safety. Walk up and down each step, checking that there is no wobbling or shaking and that each step feels secure.

Step 12: Enjoy Your New Staircase!

With your new staircase installed, you can now enjoy the convenience and beauty of your own high-quality stairway.

Explanation how to make stair stringers

When it comes to building stair stringers, precision and accuracy are key. Even the smallest mistake in measuring or cutting your stringers can lead to a staircase that is unstable or unsafe. That’s why it’s important to take your time and double-check each step in the process.

To make the process easier, you can use a stair calculator or other software to help you determine the exact measurements you need for your staircase. This will ensure that each step of your stair stringer is correct and that your staircase will be stable and safe.

When cutting your stair stringers, it’s important to use high-quality wood that is suitable for outdoor or indoor use, depending on your project. You’ll also need a saw that is sharp and precise, as this will make cutting your stringers much easier.

Finally, make sure to test your completed staircase for stability and safety before using it regularly. This will give you peace of mind and ensure that your staircase is safe for everyone to use.

Tips and Tricks how to make stair stringers

1. Use a Stair Calculator

A stair calculator can help you determine the exact measurements you need for your staircase, making the cutting and installation process much smoother.

2. Invest in High-Quality Wood

Choosing the right type of wood for your stair stringers is crucial to the safety and durability of your staircase. Invest in high-quality wood that is suitable for outdoor use, such as pressure-treated or cedar wood.

3. Use a Saw with a Fine-Toothed Blade

To make precise cuts in your stair stringers, use a saw with a fine-toothed blade that can make smooth and accurate cuts.

4. Double-Check Your Measurements

Measure twice, cut once! Double-checking your measurements can save you a lot of time and hassle in the long run.

5. Secure Your Stair Stringers Properly

Use screws or bolts to securely attach your stair stringers to your deck or landing, and make sure that they are level and straight before proceeding.

6. Test Your Staircase Before Use

Before using your new staircase, make sure to test it for stability and safety by walking up and down each step.

7. Sand and Finish Your Stairs for a Professional Look

Sanding and finishing your wood stairs can give them a professional and polished look, while also protecting the wood from wear and tear.

8. Consider Adding Handrails

Handrails can add an extra level of safety and convenience to your staircase, especially if you have children or elderly individuals in your household.

9. Hire a Professional if Necessary

If you’re not comfortable with cutting and installing your own stair stringers, don’t hesitate to hire a professional to do the job for you.

10. Take Your Time and Be Patient

Building your own staircase can be a challenging and time-consuming process, but taking your time and being patient can help you achieve the best possible results.

Advantages and Disadvantages of How to Make Stair Stringers


  • Customizable: Making your own stair stringers allows for more customization in terms of size and style to fit your specific needs and design preferences.
  • Cost-effective: By creating your own stair stringers, you can save money on the overall cost of staircase construction.
  • Satisfaction: The sense of accomplishment and satisfaction that comes with creating your own stair stringers can be fulfilling and rewarding.
  • Control: Making your own stair stringers gives you more control over the quality of materials and construction.
  • Experience: Learning how to make stair stringers can provide valuable experience and knowledge for future DIY home improvement projects.
  • Flexibility: DIY stair stringers allow for flexibility in terms of adjustments and changes during the construction process.
  • Increased safety: With control over the quality of materials and construction, DIY stair stringers can provide increased safety for you and your family.
  • Environmental impact: Creating your own stair stringers can be more environmentally friendly, as you can choose sustainable and eco-friendly materials.
  • Challenge: Making stair stringers can be a challenging and engaging DIY project for those who enjoy a good challenge.
  • Personalization: DIY stair stringers allow for personalization and a unique touch to your home.


  • Time-consuming: Making your own stair stringers can be a time-consuming process, requiring patience and dedication.
  • Skill level: DIY stair stringers require a certain level of skill and knowledge, which may not be suitable for beginners.
  • Mistakes: The potential for mistakes during the construction process can lead to extra time and cost.
  • Tools: DIY stair stringers require specific tools and equipment, which may not be readily available or require additional expense.
  • Risk: Improperly constructed stair stringers can pose a safety risk if not constructed properly.
  • Perfectionism: DIY stair stringers may not turn out as perfectly as professionally made ones, which may be frustrating for some.
  • Design limitations: Constructing your own stair stringers may have design limitations compared to professionally made ones.
  • Physical strain: DIY stair stringers can also require physical labor and strain, which may not be suitable for everyone.
  • Expertise: DIY stair stringers may require specific expertise in terms of code and safety regulations, which may be unfamiliar to some.
  • Long-term durability: The long-term durability of DIY stair stringers may not be as reliable as professionally made ones.

In conclusion, while making your own stair stringers can offer many advantages such as cost savings, customization, and personal satisfaction, it also comes with its own set of disadvantages such as time consumption, skill level, and potential safety risks. Ultimately, the decision to make your own stair stringers depends on your level of expertise, resources, and personal preferences.


1. What are stair stringers?

Stair stringers are the structural supports that run along the sides of a staircase, supporting the treads and risers that make up the steps.

2. What materials are stair stringers usually made from?

Stair stringers can be made from a variety of materials including wood, metal, and composite materials, such as fiberglass or composite plastics.

3. How do you determine the number of stair stringers needed?

The number of stair stringers needed depends on the width of the staircase, the height of the risers, and the length of the treads. A general rule of thumb is to have one stair stringer for every 24 inches of tread width.

4. What tools are needed to make stair stringers?

The tools needed for making stair stringers include a circular saw, a drill, a hammer, a level, a framing square, and a measuring tape.

5. Can stair stringers be cut at an angle?

Yes, stair stringers can be cut at an angle to accommodate curved or angled staircases.

6. How do you attach stair stringers to the deck or landing?

Stair stringers can be attached to the deck or landing using anchors or screws, depending on the type of material used for the staircase and the support structure.

7. How deep should the stair stringers be?

The depth of the stair stringers should be at least 1.5 inches to provide adequate support for the steps.

8. How far apart should the stair stringers be placed?

The distance between stair stringers depends on the width of the staircase and the number of steps. A general rule of thumb is to place stringers no more than 18 inches apart.

9. What is the riser height for stair stringers?

The riser height for stair stringers should be consistent throughout the staircase and should not exceed 7.75 inches for residential buildings.

10. What is the tread depth for stair stringers?

The tread depth for stair stringers should be consistent throughout the staircase and should not be less than 10 inches for residential buildings.

11. What is the recommended angle for stair stringers?

The recommended angle for stair stringers is 37 degrees for residential buildings, but this can vary depending on the specific building code requirements for your area.

12. What is the recommended finish for stair stringers?

The recommended finish for stair stringers is a durable finish that provides protection from weather, moisture, and wear and tear. This can include paint, stain, or a protective coating, depending on the material used for the stringers.

13. Can stair stringers be repaired?

Yes, stair stringers can be repaired if they become damaged or deteriorated over time. This may involve replacing sections of the stringers or reinforcing the existing structure with additional supports or bracing.

Stair stringers are a critical component in building a safe and reliable set of stairs. It can be daunting to make your own, but with the right tools and techniques, it is a task that can be achieved by anyone. In this article, we will guide you on how to make stair stringers like a professional.

Conclusion how to make stair stringers

Now that you have followed the steps carefully, you have successfully made your own stair stringers! This is not only a cost-effective option, but it also gives you better control over your project. Before you install them, make sure that they are level and fit tightly against the stairs. With a little bit of patience and practice, making your own stair stringers will be a breeze.

Remember to always prioritize safety when working on any project involving stairs. Double-check all measurements and take the necessary precautions to prevent accidents from happening.

Closing how to make stair stringers

We hope you found this guide on how to make stair stringers helpful. Whether you are a DIY enthusiast or a professional contractor, creating your own stair stringers is a skill that comes in handy. With the right knowledge and tools, you can ensure that your stairs are secure and built to last.

Be sure to share this article with anyone who may benefit from it, and don’t forget to leave a comment if you have any questions or suggestions. Thank you for reading, and we wish you the best of luck in your stair building endeavors!

Until next time, happy building!