Dual Stringer Stairs ◆

Ditch the single beam. Here’s why two stringers (or more) make all the difference.

Have a stair-building horror story? Or a trick for cutting perfect stringers every time? Drop a comment below. dual stringer stairs

When you picture a standard set of wooden stairs, you probably imagine two long, sloped boards running down the sides. Those are your stringers. But in modern construction—especially for exterior decks, high-traffic entryways, and heavy-duty applications—the (and often the triple or quadruple stringer) is becoming less of a "nice-to-have" and more of a requirement. Ditch the single beam

Why Dual Stringer Stairs Are the Gold Standard for Strength and Safety Or a trick for cutting perfect stringers every time

Let’s break down what dual stringer stairs are, why they outperform their single-counterpart, and how to build them right. In simple terms, a "stringer" is the structural backbone of a staircase. It’s the notched or solid board that supports the treads (where you step) and risers (the vertical boards).