Do Composite Fences Get Hot?

Due to their exceptional durability and low-maintenance nature, composite fences are gradually replacing wooden fences. However, composite fences can become hot when exposed to sunlight. Because they contain plastic polymers, they absorb and retain more heat than wood. Composite fence boards with dark colors can get too hot to touch when they are in full sunlight. This article will explain the factors that cause composite fences to get hot and provide solutions.

Do Composite Fences Get Hotter than Wooden Fences?

Yes, when they are in full sunlight, composite fence panels do get hotter than wood fences. The temperature of their surfaces can be a lot higher than the temperature of the air around them. These things happen because of the way their base products are made.

Composite fencing’s plastic parts take in and store more energy from the sun’s rays than real wood does, and they let the heat escape more slowly. No matter what, a composite fence stays strong even in places with high temperatures. It doesn’t rot, crack, or shift as wood does.

Factors Affecting How Hot Composite Fencing Gets

Not all composite fencing behaves the same way when it comes to heat absorption. The following factors play a decisive role:

• Color: The color of the fence directly determines the material’s absorption rate of solar radiation. Visible and IR light are best absorbed by dark colours, and surface temperatures can easily rise above 70°C. Because light colours reflect more sunshine, they tend to be 10–20°C cooler than dark colours.
• Surface Texture and Gloss: Surfaces that are smooth and shiny reflect some light. Rough surfaces and matte make the absorption area bigger.
• Solid vs. Hollow Structure: Composite fence panels with hollow structures heat up more slowly and cool down more slowly than solid panels. This is because the air within the hollow layers acts as an insulating layer.
• Sunlight Intensity and Duration: UV rays are stronger near the equator or at high elevations, which makes temperature rises more noticeable.
• Wind Speed: Moving air around helps heat escape, which lowers surface temperatures by 5–15°C.
• Ambient Temperature: The temperature of the surface of the composite fence goes up by about 1.2 to 1.5°C for every 1°C rise in the air temperature.
• Coating Technology: Some composite fences have infrared-reflective pigments added to the outside to stop heat from absorbing.

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How to Prevent Composite Fencing from Getting Hot?

If you have already installed or are going to install composite fencing but are worried about the surface getting too hot, the steps below can make your experience a lot better:

• Prioritize Light Colors: This is the best and easiest way to do it. Light colors like brown, sand, and white oak reflect a lot of heat and can cool things down by 10 to 20°C in the summer. Don’t use charcoal black, dark brown, or dark walnut for your fence unless it will be in a shaded place all the time.
• Utilize Shading Structures: Put up a trellis, some deciduous trees, or a shade sail next to the fence. In the summer, even a little shade can make it much cooler.
• Improve Ventilation: When installing the fence, make sure there are enough gaps between the panels and between the ground and the bottom of the fence to let air flow and heat escape.
• Seasonal Measures: When it’s really hot, hit the fence with water from a hose for a short time. It only takes minutes for water to cool the surface by 20–30°C through evaporation.

Conclusion

Composite fences do indeed get hot. The qualities of the material make this happen. This doesn’t mean, though, that a composite fence isn’t resistant to the weather. When it gets hot in the summer, a good composite fence won’t fade or bend.

Even though the surface of a wooden fence may be a little cooler, it needs to be sanded, stained, and treated with a wood preservative every year. We suggest that you pick a light-colored composite fence panel and make sure that there is enough shade and air flow. If you have any further questions, please feel free to contact us. COOWIN offers composite fencing in a variety of colors and styles.

FAQ

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

A composite fence that is of good quality can handle high and low temperatures. It won’t warp in average sunlight because its thermal expansion coefficient is kept in check. Also, when heated up, high-quality composite fence materials don’t give off harmful gases. But cheap recycled plastic used to make low-quality goods could be dangerous, so it’s best to stick with well-known names.

Are Composite Fences Suitable for Tropical Desert Climates?

They work really well. Even though they get hot, they are much better than wood at resisting UV light and cracking. Their lifespan is 25–35 years, and they don’t need any care. They also have great environmental benefits. We suggest that you pick composite gates that are light in colour and have a hollow structure.

Can Composite Fencing Cause Burns in The Summer?

It is possible. When it’s very hot and there’s no shade, the surface of a dark composite fence can get as hot as 70–80°C. Minor burns can happen from even a short touch with skin. We recommend taking the following precautions:

• Install light-colored slats as a heat barrier in areas where the fence is frequently touched.
• Avoid touching dark-colored fencing with bare hands for extended periods.
• On hot summer afternoons, quickly test the fence’s temperature with the back of your hand before allowing pets or young children to approach.

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

They don’t need to be maintained often, but the following steps can make them last longer and cool the surface:

• Clean 1–2 Times a Year: Dust and dirt can darken the surface, increasing heat absorption. Simply rinse with mild soapy water and a soft-bristled brush.
• Check Expansion Gaps: Every two years, inspect the expansion gaps to ensure they are not blocked by fallen leaves or dirt.