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Thermo Modification

The Magic of Thermo-Modification

Our premium Thermo-Treated wood products are durable for 25 years due to our patented thermo-modification process. Wood is exposed to extremely high temperatures (400-degree Fahrenheit) with no chemicals added. It is a 100% “Green” product. The main reason for thermo-treated wood’s durability and dimension stability is the natural molecular changes that occur in the wood during the treatment process.


The equilibrium moisture content (EMC) is reduced to 2-4%. The treatment burns poly-sugars and makes wood water repellent on a molecular level; thermo-treated wood becomes naturally durable and stable. Compare thermo-treated wood and 350-year-old wood to nontreated wood under a microscope. Notice the similar molecular pattern in both the thermo-treated and the 350-year-old wood.

Thermo-Treated Premium Grade Hardwoods

100% “Green” and Stable In Sizes

Low Maintenance

All Four-Sides Factory Oiled

25-year Durability Warranty

Our Products



The products are naturally durable for at least 25 years due to our thermo treatment process


Dimensional stability increased 5-10 times


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Products require less maintenance

Warping & Cracking

Dramatically reduced warping and cracking.

Light Weight

Light in weight (2.5 - 3 lbs/SF)



Reduced combustibility (Class B fire rating)

Resistance to Termites

Improved resistance to termites

Made In

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Grown and made in the USA

350-year-old lumber

350-year-old lumber

Thermo-treated lumber

Thermo-treated lumber

Normal kiln dried lumber

Normal kiln dried lumber

Four-Sides Factory Oiling Advantages:

​Makes product ready to use.

Prevents fading of color under sunlight.

Prevents seasonal surface checking.

Makes wood grain sound and attractive.

Our free FOUR sides oiling saves you $2-4/SF which contractors usually charge for ONE-side surface oiling on site, oiling of the back side is extremely important to increase a lifetime of your decking and siding.

Thermo Treated Wood


If you need more information about our 100% green Thermo-Treated wood products then please get in touch with us today, and we’ll be happy to answer all your questions.

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