By Kelin
Wed, May 6, 2026

Do Composite Fences Get Hot?

Composite fences are slowly taking over wooden fences. They are so durable and require little maintenance. However, when exposed to sunshine, composite fences can heat up. They absorb and hold more heat than wood since they include plastic polymers. Composite fence planks painted black can get very hot to the touch when in full sun. This essay will discuss the reasons why composite fences get hot and offer solutions.

Table of Contents

Do Composite Fences Get Hotter than Wooden Fences?

Yes, composite fence panels do get hotter than wood fences when they are in full sun. The surface temperature can be tens of degrees greater than the surrounding air temperature. These things are due to the way they are manufactured at the bottom of their products.

Composite fencing has plastic sections that absorb and store more of the heat from the sun than real wood and release it more slowly. Composite fence stays sturdy in high-temperature settings, no matter what. It won’t decay or warp or check like wood.

Learn More: Are Composite Fences Better Than Wood?

Factors Affecting How Hot Composite Fencing Gets

Not all composite fencing is equal when it comes to heat absorption. The following factors are crucial:

Color: The fence color directly influences how much of the sun’s rays the material absorbs. Dark colors absorb the most visible and IR light. The surface temperatures can easily exceed 70°C. Light colours reflect more sunshine and are therefore 10-20°C colder than dark colours.
Surface Texture and Gloss: Texture and Gloss: Smooth, shiny surfaces reflect some light. Rough, matte surfaces increase the area of absorption.
Solid vs. Hollow Structure: It takes hollow composite fence panels longer to heat up and cool down compared to solid panels. This is because the air trapped in the hollow layers acts as an insulating layer.
Sunlight Intensity and Duration: UV rays are more intense around the equator and at high elevations, and the temperature increases are more pronounced.
Wind Speed: Moving air causes heat loss and reduces surface temperature by 5-15°C.
Ambient Temperature: The composite fence surface temperature increases approximately 1.2 to 1.5 degrees Celsius for each 1 degree Celsius increase in the air temperature.
Coating Technology: Some composite fences are treated with infrared-reflective pigments on the outside to prevent absorption of heat.

How to Prevent Composite Fencing from Getting Hot?

If you have already built or are about to install composite fencing and are concerned about the surface getting hot, the following measures will improve your experience greatly:

Prioritize Light Colors: This is the best and easiest approach to achieve it. Light colors like brown, sand, and white oak absorb a lot of heat and can chill things down by 10 to 20°C in the summer.
Utilize Shading Structures: A trellis, some deciduous trees, or a shade sail can be placed next to the fence. A little shade goes a long way in making it cooler in the summer.
Improve Ventilation: When erecting the fence, provide adequate space between the panels and between the ground and the bottom of the fence, to allow air to flow and heat to escape.
Seasonal Measures: Spray the fence with a hose for a short period of time when the weather is really hot. Evaporation cools the surface by 20-30 °C in a matter of minutes.

How to Prevent Composite Fencing from Getting Hot?

Conclusion

Composite fences are heated. It is the nature of the material that does this. But that doesn’t mean that a composite fence isn’t weather-resistant. An excellent composite fence will not fade or sag when it becomes heated in the summer.

Every year, even if it is a little cooler, the surface of a wooden fence has to be sanded, stained, and treated with a wood preservative. We propose you choose a lighter coloured composite fence panel and make sure you have enough shade and air flow. If you have any further questions, please do not hesitate to contact us. EVODEK composite fencing is offered in a variety of colors and styles.

FAQ

Does Composite Fencing Warp or Release Harmful Gases in High Temperatures?

A composite fence of good quality can endure both high and low temperatures. It has a carefully controlled coefficient of thermal expansion so that it will not warp in normal sunlight. Also, high-quality composite fence materials don’t release dangerous gases when heated up. Low-quality products made of cheap recycled plastic can be dangerous. Stick to the well-known names.

Are Composite Fences Suitable for Tropical Desert Climates?

They do the job really well. They do get heated, but are far better than wood at resisting UV radiation and cracking. They live for 25 to 35 years and need little care whatsoever. They also have tremendous environmental benefits. We recommend the use of light-colored composite gates with a hollow structure.

Can Composite Fencing Cause Burns in The Summer?

It could be. In very hot conditions, a dark composite fence can reach temperatures of 70-80 °C on the surface in the absence of shade. Even a short touch with skin might cause minor burns. We recommend the following precautions:

In areas where the fence is often touched, install light-colored slats as a heat barrier.
Do not place your bare hands on dark-colored fencing for extended periods of time.
On hot summer afternoons, immediately check the temperature of the fence with the back of your palm before people or young children approach.

Do Composite Fences Require Special Maintenance to Withstand High Temperatures after Installation?

They don’t need much maintenance, but the following will prolong their life and cool the surface:

Clean 1-2 Times a Year: Dust and dirt can darken the surface, increasing heat absorption. Wash with a gentle soap and water with a soft-bristle brush.
Check Expansion Gaps: Every two years, check to see if the expansion gaps are clogged by leaves or dirt that has fallen in.