How To Build Angled Stairs

Building angled stairs provides a more attractive design. The materials and technique need to be considered carefully, as you need to make sure that the stairs don’t collapse or buckle under load. Build Angled Stairs: Step 1: Build the base of the stairs at least three feet above grade to allow for drainage and to allow for space around each stair tread. Step 2: Drill holes in the side of the base that are spaced 13 bucks apart with a mason’s level.

There are various methods to build a staircase. You can also use wooden stairs that have been built for years and have been used for various purposes. But the most common and convenient way to build an angled staircase is using an I-beam because it is strong and durable.

Building stairs doesn’t have to be hard. In fact, angled stairs are more straightforward to construct than you might think. Below is some helpful advice that works for both outdoor and indoor stairs. Before you begin, though, make sure you have the right tools handy and know how to use them safely. This is especially important if you plan on building angled stairs outdoors if they’re not properly constructed, it can pose a safety hazard to anyone using them.

Before You Start

Before you start, check with local building codes for any restrictions on building angles. Check with your local architectural or engineering department if you need help determining whether the stairs will meet code.

Check with your builder or contractor to ensure that there are no changes in the plan that would affect the angle of the stairs.

Check with your insurance company to make sure they have no objections to having angled stairs built on their property and that they’re covered in case someone slips and falls down them (or into them).

Building Angled Stairs

Building an angled staircase is a bit more involved than building traditional staircases. The work begins with the framing square, which you can use to determine the angle by measuring diagonally from one corner of your square to another. If you want the stairs to be slanted at 11 degrees, for example, measure diagonally over 4 inches and then make a mark on your board at that spot.

Next up in our how-to guide: measuring out each piece. Use a tape measure to find where each step will go—the width between them will depend on what type of steps (square or round) and what size risers are going in there. You should also know if you’re using treads (wooden boards), riser boards (boards that connect treads), or simply placing nothing but concrete beneath your steps; this helps determine how much space exists between steps so that people can walk comfortably without tripping over their own feet when climbing up or down them without fear of falling down headfirst into nothingness below them.


While you don’t need to be a professional carpenter to build angled stairs, there are several things you should keep in mind as you get started:

  • Make sure you have the right tools for the job. You’ll need a hammer and nails, a tape measurer (not metric), a pencil, chalk line, framing square or triangle, miter saw and circular saws with carbide blades. If your measurements aren’t exact and everything doesn’t line up perfectly, it can cause problems later on. Then again, even if everything lines up exactly as planned but isn’t drawn well enough on paper beforehand that’s going to cause even more headaches later on down the road when it comes time do some serious construction work!
  • Make sure you have access to materials before beginning construction projects such as staircases or other types of buildings/construction jobs involving large amounts of lumber like buildings themselves might require such materials now days due mostly due too cost cutting measures taken by companies who only want cheap labor rather than paying people fair wages which would probably just come out cheaper anyways because fewer people will quit after being paid poorly due too lack thereof opportunities elsewhere where their skillset may be better utilized than working construction jobs where there isn’t much room left over for innovation anymore except maybe within certain industries like aerospace engineering research & development

Complete the Project

  • Make sure your stairs are sturdy and safe. You can’t just build a set of stairs in an afternoon, so make sure you have the time to dedicate to building them correctly.
  • Make sure your new set of stairs is aesthetically pleasing. Angled stair builds are complicated, but they don’t have to be ugly! With a little attention paid toward design, you can easily create a stunning set of angled stairs that look great in any home or office space.
  • Make sure your new set of stairs is functional. Whether it’s a single step leading up to your front door or an entire flight leading up to the second floor of your house, it’s important that these steps actually get used by people so make sure they’re easy enough for anyone who needs access through them.
  • Make sure your new set of stairs is durable enough for daily use over time (and multiple uses). If possible, test out various materials during construction with real users so that everyone involved understands how well each option stands up under pressure over time (and whether any issues arise later down the line).

Safety First.

The safety of your home and family is first and foremost to you, so it’s important that you take the proper precautions when working on your stairs. This means wearing all the necessary equipment, and using the right tools for each step of the process. In addition to being smart about what you’re doing, always remember: safety first!

It’s easier than you think to build angled stairs.

It’s easier than you think to build angled stairs. Here’s how:

  • Decide on the angle of your staircase. You can use a protractor and a straightedge, or take some measurements and do the math yourself (which is what we did).
  • Cut side pieces that are longer than the longest piece needed for any leg. For example, if you have four legs with an 18-inch rise (each leg), cut each side piece at 20 inches long so that you have room for error when cutting them to length later on.
  • Drill holes into your boards where they’ll meet when assembled into one side of the staircase (do this for all four sides). This allows us to put screws through from one board into another without having to worry about alignment issues or having them fall out during assembly.
  • Attach two adjacent sides together using screws driven from inside one board into its neighbor through those drill holes we just drilled in step 2 above the two boards should overlap by about 3/4 inch when connected in this fashion; make sure they’re level with one another on both sides before tightening down.

Final words

We hope you found this guide helpful. If you have any questions about constructing angled stairs, or need help with your project, don’t hesitate to reach out. We’re here to help.

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