Stair Parts | All Stair Parts | Wood Stair Parts | Stair Treads | Landing Platforms | 1 1/2″ Thick Stair Landing Platforms

1 1/2″ Thick Stair Landing Platforms

Ships in approx: 15 Business Days

Product Description

Timeless elegance shines from the 1 ½” Thick Stair Landing Platforms. Finished on each side for beauty from every angle, these platforms are available in a variety of shapes and sizes, including custom sizes, to fit your stairway with precision. Stain-grade, high-quality wood platforms are sanded on each flat surface and feature a gentle ¼” radius on each edge. A solution for every design, create it just the way you want it.

Key Features

  • 1 ½” Thick
  • Stain-grade
  • ¼”  Roundover Radius
  • 360° Beauty

Matching Treads

Pair 1 ½” Thick Stair Landing Platforms with the 8065 1 ½” Thick Stair Treads for a coordinated design.


Our 1 ½” Thick Stair Landing Platforms add a modern, strong appearance to both Traditional and Floating Stair Systems. To mount thick treads and landing platforms on traditional stairways, be sure to read about Returned Edges on the Specifications tab above. Floating Staircases may require specific notches for mounting thick landing platforms, depending on the system you use. We are happy to accommodate requests for notches, grooves, or other special indentations to help the mounting process. Give us a call for more details.

Additional Style Options

  • Distressed Detailing
  • Hand Scraped Texture
  • ⅛” Roundover or Square Edges
  • Returned Edges

Product Specifications


  • Thickness: 1 ½”
  • Square Sizes: 36”x36”, 42”x42”, 48”x48”, 54”x54”, or 60”x60”
  • Roundover Radius: ¼” on each edge


We are happy to accommodate your custom design. Utilize our Custom Thick Landing Platform Designer or give us a call — our experts are happy to assist you!

Returned Edges

Traditionally styled stairways sometimes require mitered Returned Edges, but this style is not commonly used on floating stair systems. Returned Edges cover end grain, while also adding decorative flair. There are three configurations of returned edges available: Left, Right, and Double. NOTE: If both sides of the stair treads fit against a wall, you do not need returned edges.

To determine if a Left or Right Returned edge is required, stand at the bottom of the stairway and look up. If the right side is exposed, then you need a Right Returned Edge. If the left side is exposed, then you need a Left Returned Edge.

Double Return thick stair treads and landing platforms are used when both edges of the tread are exposed on a traditional stairway. This style of tread requires a special measurement called the “throat cut”, which you will need to provide when you place your order. To find the throat cut of your Double Return landing platform, measure the length between the inside of the Left and Right Returned Edges. In the end, the final width of a Double Return Thick Platform equals the Throat Cut measurement plus 2 ½” (1 ¼” per Returned End).

With the exception of Double Returns, all Left and Right Returned Treads and Platforms are sent to you with up to an extra 1” of material on the end with no return. This additional allowance may be trimmed on-site to match the exact curve of your unique wall, ensuring a snug fit. If you are ordering treads with No Returns, all 6 sides of the thick tread or platform will be cut, stained, and finished to your specifications.

Clear Finish & Stain Information

StairSupplies™ offers several premium stain and finish options for our products, depending on the product’s use. For Landing Platforms, we offer both clear finishes and stains. Select a clear finish if you want to draw out the natural beauty and colors of the wood. If you prefer deeper, richer tones, our custom-mixed stains are the ideal choice for your Landing Platform.

All tread materials and products that are used underfoot are finished with a Conversion Varnish. Strong and resilient, this varnish is standard in the hardwood flooring industry. Our team of experts apply this specialty product onto each stair tread using a spray applicator for even, flawless coverage to protect your treads against heavy wear and tear.

Wood Grain & Color Variation

At StairSupplies™ we believe that natural wood colors and visual textures add character to our products. With that in mind, we strive to match the grain and color of all of our wood products as closely as possible. However, due to the natural variation of wood products, there may be instances in which a perfect grain and color match is not possible. By ordering from StairSupplies™, you acknowledge that you are receiving a uniquely crafted product and there may be some variation in the grain and color of your wood products.

Completed Projects

This product has been used in the following "Completed Projects"

    Product Q&A

    Tristan Hydes
    4 years 6 months ago

    I would like to order a 1-1/2″ thk Stair landing- custom size- 84″ x 42″ in Popular- Stain Grade. Is this possible? How much? Delivered to Miami, FL (33166). This would be to match my threads. Thanks

    4 years 6 months ago

    Hi Tristan,
    We can definitely make you a custom size landing platform for you! I’ll email you a quote directly!
    Please let us know if you need anything else.

    Tristan Hydes
    4 years 6 months ago

    Thank you. What email address should I send my specs to?

    4 years 6 months ago

    No problem! Please send them to and someone will be in touch regarding your project.