Exterior Fire Retardant Decking Choices

FX LumberGuard XT offers a dual-treatment system that was designed to add both long term rot protection combined with Class-A Fire protection for use in decking applications and much more.

MicroPro MCA is finish that is applied to a raw SYP decking boards to create Treated Decking. This treatment impregnates the wood, protects against rot, decay and termites for a wide variety of use. After the initial treatment the board is kiln-dried. This process gives it it`s unique green color. Second treatment is fire retardant by FX LumberGuardĀ® XT and it is topical treatment and the board is kiln-dried also. This process takes two to three weeks to accomplish.

Unfinished Cedar Decking boards can also be treated with FX LumberGuardĀ® XT to be fire retardant available on the two weeks lead time with just one treatment.


Hoover Treated 5/4×6 Decking is available in stock, and features pressure-impregnated fire-retardant treatment with water repellent preservative finish and it is recommended for exterior applications directly exposed to the weather.


Last but not least Composite Decking is available from AZEK and meets criteria for Class A spread index.