What changes will occur to outdoor decoration materials after being exposed to the sun for a long time?

Comparison of Weather Resistance of Different Outdoor Flooring: Why Our PVC Modified Wood-Plastic Composite Flooring Lasts Longer

Outdoor flooring is exposed to sunlight, rain, and alternating hot and cold environments for long periods, leading to significant differences in performance among different materials. Below is an analysis of the weather resistance of common outdoor flooring materials on the market:

Bamboo-Wood Flooring: Made by carbonizing bamboo and wood, then pressing with glue, it requires regular maintenance. Without proper care, UV rays cause the surface layer to peel off, allowing moisture to penetrate the interior. Bamboo fibers absorb water and expand, then shrink after 暴晒 (exposure to intense sunlight). This repeated cycle causes the separation between bamboo fibers and glue, leading to gradual powdering after 3 years.

PS Flooring: Manufactured from foamed plastic, it has poor UV resistance. Prolonged exposure to sunlight causes the surface to fade and become brittle. The flooring undergoes significant thermal expansion and contraction. When contracting in cold conditions, stress concentrates around fixing screws, leading to 断裂 (breakage) of the flooring. Its service life is no more than five years.

PE Flooring: Produced by hot-pressing plastic particles mixed with wood flour, the high water absorption of wood flour causes the molecular structure to change after repeated cycles of water absorption and dehydration. Prolonged sun exposure leads to fading, whitening, brittleness due to aging, with a service life of 5–7 years.

Our PVC Modified Wood-Plastic Composite Flooring: Maintenance-free, with a very low wood flour content that significantly reduces water absorption. Its stable structure, combined with added antioxidant materials, provides excellent waterproof and UV-resistant properties. It withstands direct sunlight and can be used for 10–15 years.

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