Is Trex fire resistant
Ava Robinson
Updated on May 12, 2026
Is Trex fire resistant? Nothing is more important than your safety outdoors. At Trex, we do everything we can to ensure it. Our Transcend and Select decking lines retain a Class B fire rating, while our Enhance decking lines retain a Class C fire rating; however, they are not fireproof.
How flammable is Trex?
Trex decking is classified as a Class C, or Class III, building material. As a result, Trex lumber will burn as wood does, even though it contains several other composite materials. … So if a fire occurs, your Trex lumber will burn just like the wood on any traditional wood deck.
Can you put a fire table on a Trex deck?
You should not place your fire pit directly on your composite decking. Trex decking can soften and become damaged at temperatures as low as 176F. A temperature barrier can be bricks, stone or ceramic tiles or fire mats.
Can you put a fire pit on Trex?
The fire pit is not installed on top of the Trex decking. … Wood burning fire pits are not recommended on top of Trex decking unless using a product called DeckProtect™. Wood burning fire pits can damage the decking due to the extreme heat from the bottom of the fire pit and/or burning embers “shooting” onto the decking.Is composite decking fire resistant?
Composite Boards Decks are where fires often start, whether from windblown embers or from charcoal falling out of your grill. Most wood species are rated Class C for fire resistance, but you can build safer with a Class A–rated composite decking like AmeraDeck, made from PVC and wood fiber.
How do I protect my deck from a fire pit?
Install some kind of a flame-resistant surface to hold the fire pit and catch sparks. You can purchase a fire pit pad designed to protect deck surfaces from temperatures as high as 1,400º F. Or create your own fire pit pad using metal, pavers, or bricks over a wooden deck.
Can I put Grill on Trex deck?
Yes, Gas grills are safe to use on a composite deck. Composite decking is designed to a minimum of Class C fire rating similar to wood decking. … As an extra layer of protection, people will often place a grill mat or pad to protect the decking from both heat and spills.
Can you put a gas fire pit on a composite deck?
Fire pits, both wood-burning, and gas can be used safely on wood or composite decks provided they are placed a sufficient distance from adjoining structures such as the home, and a heat-resistant barrier is used between the fire pit and the deck to prevent potential structural and cosmetic damage due to the high-heat …How do I protect my composite deck under a fire pit?
Composite Deck Fire Pit On Trex Safety Steps Make sure under the firepit you install fire-resistant material for the pit to rest on. Insulated walls of stone or other types of materials are used to prevent heat from escaping. Deck Protect is another product that is used to prevent fire damage to your deck.
Are gas fire pits safe on decks?Gas fire pits are generally safe to use on combustible decks if installed properly by an NFI Certified professional, but you need to check the manufacturer requirements and your city’s code before putting any type of fire pit on your deck.
Article first time published onDo Trex decks get hot?
While wood gets hot enough to make walking with bare feet uncomfortable, composite decking gets even hotter. In some cases, Trex can become so hot that it may become unusable under intense, direct sunlight. The darker the Trex decking material, the more heat is retained.
What decking is fire resistant?
The superior performance of redwood lumber under fire exposure has been known for decades. Recent testing by numerous laboratories in response to new standards for decks in California’s wildland-urban interface has reaffirmed redwood’s reputation as a fire-safe decking product.
Can you put a smoker on a composite deck?
this smoker doesn’t get hot enough on the outside to hurt a composit deck. I have had my smoker on smoking as long as 8 hours so far and the outside does not get hot enough to do any damage to any decking. 2 of 2 found this helpful. … The laws of physics apply, heat rises, so there is no heat that will contact the deck.
Can you put a rug on a Trex deck?
“Most area rugs aren’t a problem with Trex decking, but we do recommend cleaning underneath them regularly. … “Never use a rug or mat with a rubber, vinyl, or latex backing. Any of these products could leave marks on your composite or PVC decking. Use high-quality polypropylene mats or colorfast woven rugs only.”
What is the lifespan of Trex decking?
Trex and TimberTech Composite Decking Warranties Composite decks have a lifespan of at least 25 to 30 years — and they have warranties to match.
Can you put a chiminea on composite decking?
The heat of the chiminea alone can quickly warm up your decking materials, and any stray embers will also quickly burn, so similar to wood, chimineas should never be placed directly onto a composite deck.
Can you put a fireplace on a wood deck?
Adding a fireplace to a deck can enhance this perception, increase the use of a deck in cooler weather and provide an alternative place to cook for nature lovers. With appropriate planning and attention to detail, homeowners can easily install outdoor fireplaces on their wooden decks.
Can you build a deck around a fire pit?
There have been a lot of beautiful deck designs using this idea. Some have built their deck with a cut out, in which the center is filled with sand or stone with the fire pit in the center. There are also such things as fire pit pads that you could use to surround the fire pit, and protect your deck.
How far does a gas fire pit need to be from a house?
How far does a fire pit need to be away from the house? At least 10 feet (or 3 meters) away from any structure is recommended.
Can you use a fire table on a composite deck?
Fire tables are generally safe to use on composite decks. Composite decks, unlike treated wood, are fire retardants, meaning they offer natural protection against warping and catching on fire.
Can you put a rug under a gas fire pit?
Propane fire pits are generally fine to place on combustable surfaces (such as rugs) because the heat tends not to radiate toward the earth. … A non-fireproof rug is a safety hazard when exposed to hot embers. Additionally, cheaper outdoor rugs tend to fall apart when exposed to harsh weather.
Can you roast marshmallows on a gas fire pit?
Can you roast marshmallows over your propane or natural gas fire pit? Of course! … Even if you choose an individual burner and start a DIY fire pit project, you can still roast marshmallows over it. While a toasted marshmallow is perfection on its own, eating s’mores around a fire is a great tradition.
Can you put a gas fire pit under a covered patio?
You can absolutely have a natural gas or propane fire pit under a covered patio if the overhead height of the ceiling meets CSA requirements for distance from appliance. This is usually 80 inches.
Can I have a propane fire pit on my deck?
Propane Fire Pits for Decks. For most decks, propane fire pits will be the most suitable choice. … In fact, you can not only use them on your deck, but also on your patio or in your backyard. But if you have a large concrete deck, you can also consider a wood-burning fire pit to produce a campfire experience.
How do you keep Trex decking cool?
If you’re choosing plastic and composite decking materials, opt for light and cool shades. It will significantly reduce the temperature during hot seasons. Of course, it also applies to the outside furniture. If you have couches, chairs, and pillows, consider changing their covers to a lighter one.
What are the disadvantages of composite decking?
- A pricey alternative to wood. Durability comes at a cost, as composite decking is more expensive than wood. …
- Composites aren’t natural. …
- Composite decks aren’t completely maintenance free. …
- You’ll need to comparison shop.
Why is Trex decking so hot?
Meaning that regardless if your decking is wood or composite, it will be hot in the sun. This is mostly to do with the science of heat and reflection. Decking is a flat surface reflecting the sun’s heat more than cool grass in your yard. Making the decking hotter in the sun than elsewhere in your yard.
Is Trex Class A fire rated?
Trex Product Ratings Trex is listed as having Class A and Class B ratings for flame spread; Class A is the highest flame-spread rating in ASTM E84.
Is composite decking heat resistant?
Composite decking, on the other hand, can withstand such heat without the possibility of these additional hazards occurring. This is due to its state-of-the-art manufacture where highly reflective pigments are used to give composite deck boards their colour and fantastic heat-resistant properties.
What do you put under a grill on a composite deck?
Grill Mats — Protect your deck from burning embers and stubborn grease stains by placing a grill mat under the pit. Look for a durable mat that is heavy enough to withstand wind and extends a few inches past the perimeter of your grill.
Can I put my gas grill on my deck?
Always grill outdoors. Grills must be 10-feet from the side of a building unless the manufacturer’s instructions say it can be closer. Make sure grills are not underneath overhanging branches. Grills cannot be used on a porch, balcony or deck with a roof, overhang or wall (other than the exterior of the building).