Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access homex.com. Thank you.

Skip to main content

We use cookies to enhance your experience. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy.

How many stringers do I need for 40 inch stairs?

A 3-foot wide staircase and a set of slightly wider stairs need three and four stringers, respectively. The maximum 18 inch spacing presumes the treads of 5/4-inch wood deck or 2-by stock.

Let's Get It Fixed!

HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.

What Did You Think of This Article?

What Did You Think of This Article?

Shop Recommended ProductsShop HomeX Recommended Products