Composite Decking Fire Ratings

Decking has various fire ratings.

The decking industry has many deck-building material options available for consumers. Common wood now has an alternative, called composite decking, but keep in mind that fire ratings still vary for this man-made hybrid decking.

Identification

Composite decking mixes wood, or cellulose, fibers with plastic to form a deck panel. This mixture of materials creates a durable product that can stand the test of time from weather elements or insect infestations.

Features

All composite decking can vary in composition. Fire ratings span from the lower Class C, or Class 3, classification, which is a very low fire resistance, upward to Class A. This top classification is the best the industry can offer, by having the ability to stop flames from spreading within the decking material.

Considerations

When purchasing composite decking, verify the fire ratings with the dealer. Each decking manufacturer adds its own distinct additives and percent ratios so that its product differs from the rest.

References

• Professional Deck Builder: Deciphering the code behind fire-resistant construction
• Ameradeck: AmeraDeck Fire-Resistant Composite Decking Class A Rated