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Thermory Decking

Premier Decking Boards

Benchmark Ash

Thermory’s ash decking is truly a breakthrough in hardwood deck materials. Build your dream deck from a variety of ash boards that resist rot for more than 25 years and protect against termite damage with a striking look that stands the test of time.

Kodiak Spruce

Designed for a memorable, rugged appearance, Thermory’s Kodiak spruce deck boards are extra wide for a naturally inspired and durable deck. Because of their size, the Kodiak line boasts an even, seamless feel along with its timeless appeal and easy installation.

Benchmark Pine

The unmistakable pine look, without the hassle, Thermory’s thermally modified Scots Pine decking delivers all the appealing qualities of pine, like it’s distinctive color and knots, without most of its typical issues.


Features and Benefits

  • Smooth-kissed milling means no splintering
  • Low maintenance
  • Innovative jem joints eliminate joist requirements
  • Easy installation with time saving innovations
  • Industry leading sourcing standards

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About Us

Why Builders Recommend Allegheny Millwork & Lumber

Our reputation for quality and excellence is why you should choose Allegheny Millwork & Lumber.  Our staff is highly knowledgeable and friendly.  We will help guide you through the myriad products when you are building or renovating your home.

From building materials to fine finishes, we have you covered.  Beautiful doors create a welcoming entrance to your home.  Crystalline windows and gargantuan patio doors can grace your property, framing the view and keeping you protected from the elements.  Our experts can help you make the decisions when choosing what is right for you.  No project is too big or too small.  Come see why the best contractors in Pittsburgh have been using Allegheny Millwork & Lumber for the last 40 years.

With over 350 moulding profiles in stock, we can adorn your windows and doors, ceilings, walls, and floors with quality woodwork to put your own stamp on the project at hand.  We can also match existing millwork to complete your historical renovation.

Additionally, we will help you design the kitchen of your dreams.  We encourage you to make an appointment in our 10,000 square feet design showroom.  You can also visit our virtual showroom by clicking on the link to the right  We hope to see you soon!