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The Daily Insight

Are composite decks hotter than wood

Author

Sophia Dalton

Updated on April 10, 2026

High-quality modern composite boards don’t become hotter than traditional wooden deck boards. In addition, the lighter the color of the composite deck boards that you choose, the cooler they will stay in direct sunlight.

Is composite decking hot on your feet?

Composite decking is hot on bare feet in direct sun, but some composite decking boards are cooler on your feet even in the sun. The temperature of your decking is critical in summer. If the decking is too hot to walk on, you cannot enjoy being outside on your deck in summer, leaving your shoes inside.

What decking material does not get hot?

TimberTech capped polymer decking is engineered to be cooler to the touch, even in direct sunlight. TimberTech AZEK decking, our capped polymer decking line, features advanced materials science in its core and cap that makes it more heat resistant than other composite decking products.

Does composite decking get very hot?

But how hot can composite decking get in the sun? One study found that in direct sunlight, composite decks can reach temperatures from 34° to 76° F hotter than the surrounding air. On an 80° day, that could mean a deck surface temperature of more than 150°.

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.

Is composite decking slippery when wet?

Composite decks are not slippery even when there is water on the surface. The problem, however, is when there is an accumulation of both ice and water on your composite decking. Aside from being the cause of accidents, ice, and the removal of it, can cause some damage to your patio.

How do I keep my composite deck 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.

Does composite decking burn?

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.

Does composite decking warp in sun?

Your composite deck may not warp, but it can sag and buckle. … Composite decking is fade resistant, but it may fade over time in strong sunlight. Composite decking will get lighter in color tone as it fades.

Is Trex decking really 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.

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Does composite decking get too hot for dogs?

Composite decking will be hotter on your dog’s paws than the grass in your yard. … The temperature of your decking is critical in summer for dogs. If the decking is too hot to walk on, they cannot enjoy being outside on the deck, in summer.

Does Trex composite decking get hot?

Like many other outdoor surfaces, such as concrete, asphalt, beach sand, wood decking, other brands of composite decking, etc., Trex decking can get hot due to weather and sun exposure.

What is the coolest deck material?

While Ipe is the coolest option, Cedar decking is a close second as it maintains a temperature that is a few degrees cooler than Redwood when exposed to the sun.

Why is my composite deck warping?

Warping occurs when the decking’s surface is exposed to sunlight. The decking becomes hot and starts to distort gradually. It happens during thermal expansion when the decking absorbs heat from the sun and expands. The heat from the sun causes the decking to be flexible.

Are composite decks worth it?

There is no doubt that composite decking material is more expensive than wood. However, it is valued for its striking resemblance to natural wood and efficiency making it an excellent choice for decking. It is easier to clean and maintain which makes it last long enough to transfer the same value to the next homeowner.

Can you put a grill on composite decking?

Yes, Gas grills are safe to use on a composite deck. … As an extra layer of protection, people will often place a grill mat or pad to protect the decking from both heat and spills. A juicy patty dripping with all that goodness, can be dripping on your composite decking. A grill pat protects against drips and heat damage.

How do you keep composite decking from getting hot?

Composite decking boards with a lighter colour finish tend to retain less heat compared to darker coloured materials. Therefore, if you want composite decking that does not get too hot, choose light-coloured composite decking boards with a hollow core.

How do I make my deck not so hot?

  1. Protect Your Feet from the Hot Decking with Rugs.
  2. Cool Wood decking by Painting a lighter Cool.
  3. Cooling the Deck with Air Movement.
  4. Using Fans to Cool Down Your Deck.
  5. Cooling Your Deck with Misters.
  6. Decorating a Deck to be Cooler.
  7. Using Plants and Trees to Cool Your Deck.

How do I make my composite deck less hot?

Ways to Reduce Composite Decking Temperature Issues Another key way to keep cool? Make sure you have a space for shade. Whether that’s a pergola or a covered porch, many great outdoor living spaces include a way to get out of the sun, while still enjoying the serenity of the outdoors.

Can you use ice melt on composite decking?

The best ice melt component for your composite deck is Calcium Chloride-based “ice melt” and Rock Salt. Calcium chloride helps make your deck less slippery. Rock salt will effectively remove snow and ice from your deck. … Avoid the risk of causing damage to your deck by choosing the wrong ice melt and other components.

What is the lightest composite decking?

  • Bamboo. 31-53 lbs/ft3 (500-850 kg/m3)
  • LongLeaf Pine. 41 lbs/ft3 (650 kg/m3)

Does Trex decking melt?

Trex decking will soften as low as 176 degrees Fahrenheit. … A fire-resistant material is installed under the fire pit and a protective “wall” made of stone or other fire resistant material is installed to hold the fire pit in place and also to protect the decking from heat.

Does composite decking attract rats?

The simple answer is NO – in isolation, garden decking does not ‘attract’ rats and there are several easy things you can do to deter rats from your garden. Rats are attracted to readily available sources of food and water – the most common example being the abundance of spilled nuts or seeds from bird feeders.

How long does composite deck last?

Composite decking requires minimal upkeep and can last between 25 and 30 years. On average, plastic decking has a similar lifespan to composite decking and can last nearly 30 years.

How much does an average composite deck cost?

On average, a composite deck costs between $30 and $60 per square foot, including installation. Natural decks, on the other hand, cost about $23 to $42 per square foot installed, especially for high-end wood like cedar and redwood.

Are composite decks fireproof?

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.

Are Trex decks flammable?

Trex decking doesn’t catch fire easily. … It performed better than other composite-decking products when tested by fire officials, although there’s variation in the flammability ratings of Trex’s product lines. Trex has won approval as a building product in wildland-urban interfaces.

What is the best decking for full sun?

The best decking material for full sun is plastic or aluminum. These types stay cooler in heat and are less likely to fade.

Can dogs scratch composite decking?

Composite decking mimics the look of natural wood, but without the upkeep. While it’s much more scratch resistant than wood, it’s not totally scratch proof. With enough gusto, your pooch could still leave permanent marks.

Does ModWood get hot?

Tests have shown ModWood has a similar surface temperature to timber of similar colours and finishes. Please note because Black Bean and Jarrah are darker colours, they can get quite hot under foot, especially when new, similar to a dark painted timber decking board.

How do I protect my dog's paws from my hot deck?

In addition to protecting dogs’ paws from hot surfaces, COOL-TEC®’s thick coating hides cracks and splinters in the surface. It’s easy roll-on and brush application makes it the perfect addition to your concrete and wood decks, walkways, patios, pool decks, and balconies.