Thermo Modified Decking

Thermo Modified Decking

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  • Smooth Milling
  • JEM Joints & Easy Installation
  • Exceptionally low maintenance
  • 20 to 25+ years of rot protection
  • Available in White Ash, Scots Pine or Kodiak Spruce
  • Offered in eased edge decking or T&G porch flooring.



Thermal Treated Decking

A Thermo Deck: Art Meets Science

A Thermo Deck is modified decking lumber thats been naturally enhanced using heat and steam. Expert wood scientists and high sourcing standards results in a decking product that exceeds expectations for rot resistance and longevity.

The thermal treatment process modifies each decking board completely through to the core. This leads to extreme durability and stability without having to sacrifice the natural tone and grain of the wood.

Tidewater Lumber & Mouldings stocks, sells and supports Thermo decking products. Give us a call today or stop by our office in Greenville SC to see how Thermo Decking can build you a top-quality deck.

Thermal Decking


Thermo treated decking exceeds and outlast composite decking ratings for weather resistance, color fading, rot resistance, sustainability and ease of installation.

If you’re thinking of building a new deck, you’ve got a lot of options. While composites offer some great features, Thermo decking offers the same solutions, plus many additional benefits.


Thermo decking is smooth milled which means a splinter free life. JEM joints mean lax joist requiremnts and easier installs. Rot resistance is rated at 20+ years so rest assured, Your deck will last. All Thermo Decking products are engineered with a outdoor experience and maximum durability in mind.

Greenville SC Decking
Tidewater Decking Lumber


Tidewater's thermally treated deckings are top shelf quality and will make any project stand out. Give us a call today to learn more about our Thermo Decking Products.

Tidewater Trust

Our Decking is guaranteed to be certified high grade quality.

Tidewater Fast Shipping

We stock and offer shipping to almost every US state.

Customer Service

Expert advice and exceptional customer service.

Contact Tidewater