Shapes And Sizes Of Stair Treads

Shapes And Sizes Of Stair Treads

There are various shapes and sizes of stair treads available. This post will explore several of the options for shapes and sizes of stair treads and their edges.
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Carpet stair treads are an excellent way to add both style and safety to your staircase. They are designed to provide beauty and luxury, to your staircase.

When it comes to choosing the right carpet stair treads, the shapes and sizes, as well as the nosing profile, play a crucial role in determining the overall look and functionality of your staircase.

There are many different shapes and sizes of stair treads. 

Common shapes:

  • Oval
  • Rectangular 
  • Hexagonal
  • Half circle 

Common Nosing shapes:

  • Bullnose
  • Square
  • Round 
  • Mitered

Standard Measurements of indoor stair treads:

  • Depth: 10 inches
  • Width: 36 inches
  • Hight: 7 inches

What are carpet stair treads?

Carpet stair treads are individual pieces of carpet that are designed to cover the surface of each step of a staircase. They come in many different sizes, and even come in custom sizes, allowing the perfect fit for your staircase. 

They are typically secured to each step using adhesive or double-sided carpet tape. Carpet stair treads come in a variety of shapes, sizes, and materials, allowing you to customize your staircase to suit your style and safety needs. There are many options available if you're looking for grey stair carpet ideas

Importance of choosing the right shape and size

Selecting the right shape and size of carpet stair treads is essential for both aesthetic and functional reasons. The shape and size of the treads should complement the design of your staircase while providing adequate coverage and traction. Additionally, the nosing profile, which is the edge of the tread that overhangs the step, can impact the overall look and safety of the staircase. By understanding the different shapes and nosing profiles available, you can make an informed decision that enhances the appearance and usability of your stairs.

Different Shapes of Carpet Stair Treads

When it comes to carpet stair treads, there are various shapes to choose from. Each shape offers a unique look and feel, allowing you to customize your staircase to match your personal style and preferences.

Oval-shaped stair treads

Oval-shaped stair treads provide a classic and elegant look to your staircase. The smooth, curved edges of oval-shaped treads create a soft and inviting aesthetic, making them a popular choice for traditional and transitional interior designs.

Rectangular-shaped stair treads

Rectangular-shaped stair treads offer a clean and modern appearance to your staircase. The straight edges and sharp corners of rectangular treads provide a sleek and contemporary look, perfect for minimalist and modern interior styles.

Hexagonal-shaped stair treads

Hexagonal-shaped stair treads bring a trendy and geometric vibe to your staircase. The six-sided design of hexagonal treads offers a modern and eye-catching look, ideal for homeowners looking to make a bold statement with their staircase.

Nosing Profiles for Carpet Stair Treads

In addition to the shape and size, the nosing profile of carpet stair treads plays a significant role in the overall appearance and safety of your staircase. The nosing profile refers to the shape of the edge of the tread that overhangs the step, and there are several options to consider.

Bullnose nosing

Bullnose nosing features a rounded, smooth edge that provides a seamless transition from the tread to the riser. This profile offers a classic and elegant look while also reducing the risk of tripping.

Square nosing

Square nosing features a straight, 90-degree edge that creates a clean and modern appearance. This profile is ideal for achieving a contemporary and streamlined look on your staircase.

Round nosing

Round nosing features a curved edge that offers a softer and more traditional look compared to square nosing. This profile is a great choice for homeowners seeking a classic and timeless aesthetic.

Mitered nosing

Mitered nosing features a beveled edge that adds a subtle and sophisticated detail to the tread. This profile is perfect for homeowners looking to add a touch of elegance and refinement to their staircase.

Choosing the Right Shape and Nosing Profile for Your Staircase

When selecting the shape and nosing profile for your carpet stair treads, there are several factors to consider to ensure that you make the right choice for your staircase.

Factors to consider when selecting the shape and nosing profile

  • Interior design style: Consider the overall style of your home and choose a shape and nosing profile that complements the existing decor.
  • Safety: Prioritize safety by selecting a nosing profile that minimizes the risk of tripping and provides adequate traction.
  • Personal preference: Your personal taste and preferences should guide your decision, whether you prefer a classic, modern, or unique look for your staircase.

How to measure your staircase for the perfect fit

Before purchasing carpet stair treads, it's essential to measure your staircase accurately to ensure the perfect fit. Measure the width and depth of each step, as well as the height of the riser, to determine the appropriate size and shape of the treads.

Standard Measurements of stair treads

The standard measurement of indoor stair treads is typically 10 inches in depth. 

Standard width of indoor stair treads is 36 inches long. 

Additionally, the riser height, which is the vertical distance between each step, is usually around 7 inches. 

Thes measurements ensure that the tread provides enough space for a person's foot to comfortably and securely step on the stair.

Stair Slope

Should stair treads have a slope? This is determined by if your staircase is indoors or outdoors. If outdoors, a slope is necessary to allow rain to run off the steps. With indoor staircases, this is not necessary. 


In conclusion, the shapes and nosing profiles of carpet stair treads play a significant role in enhancing the appearance and safety of your staircase. Whether you prefer a classic oval shape with bullnose nosing or a modern hexagonal shape with square nosing, there are various options to suit your style and needs. By considering the factors mentioned and measuring your staircase carefully, you can select the right carpet stair treads to add both comfort and style to your home.