outdoor living

For spectacular outdoor living spaces, your search should begin and end at National Lumber. We carry the industry’s highest quality brands of decking, railing, and outdoor lighting. We feature leading brands such as Trex®, Azek®, Railing Dynamics® to help you turn your rooftop, backyard or other outdoor space into a functional, enjoyable extension of your living space. Meet with our experts to learn which materials are best for your space and climate and choose finishes and lighting to make your space unique. At the Design Center by National Lumber, you’ll find everything to turn your backyard, roof deck or patio into an instant vacation getaway!

Design With Us


Explore Decking products including composite and wood

Railings and Accesories

Explore railing options and additional items

Trust the Experts

The team at the Design Center by National Lumber are experts in their field. They can help guide you towards the products that fit your needs best and design something beautiful.

Our Trusted Brands

Ready to begin?

Start designing the home of your dreams with the team at Design Center by National Lumber

Visit Us


  • 4901 Pulaski Hwy, Baltimore, MD 21224
  • info@nationallumber.biz
  • (410) 675-4740

Chevy Chase

  • 4618 Leland St., Chevy Chase, MD 20815
  • info@nationllumber.biz
  • (202) 858 1001