Capped Vs Uncapped Composite Decking: What's The Difference? 2026-09-22
Capped and uncapped composite decking both use a wood-plastic core, but capped boards add a co-extruded polymer shell for stronger surface protection, better long-term color retention, and easier cleaning, while uncapped boards keep the WPC surface exposed for a more natural wood-like look at a lower cost. Capped variants are usually priced higher because of the extra manufacturing step. Neither type is maintenance-free; the right choice depends on sun exposure, appearance preference, traffic level, and budget. Both share the same square-hole hollow structure for lightweight strength, drainage, and ventilation.
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