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Welcome to National Deck and Stair

National Deck and Stair is a family-owned and operated Los Angeles company committed to outstanding customer service and the highest level of craftsmanship and professionalism in the industry. We specialize in the application of waterproof deck and stair coatings. In addition to fiberglass coatings, we are also one of the largest installers of magnesite flooring in the entire Southern California region.

Our waterproofing applications include: roof decks, balconies, courtyards, walkways, staircases and pool decks. We provide a variety of finishes, textures, patterns, and custom color choices to suit your design choice.

We also offer precast tread replacement and iron based precast stairways, including metal railings, fencing, and gates.

We provide cost effective solutions for residential, HOA, and commercial properties. Our estimators are experts at leak detection and problem solving. Our goal is to provide you with effective solutions to your decking problems without compromising quality. No job is too big and no job is too small.