2. How they will attach to the existing structure
An important question to ask before getting started is how you will attach the stairs to the structure below.
If they’ll be sitting flush with the structure, you can attach your stringers to the framework that already exists. However, this isn’t always the case.
For instance, if you’re building stairs for a deck with an overhang, you’ll need to create a secondary support system or adjust the tops of your stringers.
Everything needs to be secure for safety purposes.
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