Balsa core, made from the honeycomb-like structure of balsa wood, is a natural, eco-friendly solution for high-strength, lightweight composite applications. Sourced from renewable plantations in Ecuador, Cobalsa, a Sky-owned brand, delivers premium-grade balsa wood products trusted worldwide for over 50 years.
End Grain Balsa offers compressive strength higher than most other core materials of similar density.
Outstanding strength-to-weight and stiffness-to-weight ratios. Good thermal and sound insulation capabilities.
Fast-growing renewable resource with minimal environmental impact.
Over 50 years of experience in balsa production, backed by GL certifications.
As a fully owned brand of Sky, Cobalsa has been a leader in the balsa wood industry for over 50 years. Based in Ecuador’s coastal plantations, Cobalsa ensures sustainable harvesting and processing to deliver consistently high-quality materials. With decades of expertise and state-of-the-art mechanical systems, Cobalsa offers GL-certified products that meet the needs of modern composite manufacturing.
A premium end-grain balsa wood core, engineered for high-performance composite applications.
It is ideal for high-performance applications requiring durability and reliability. Also has good thermal and acoustic insulation properties.
At Sky Composites, we maintain a continuous global supply of sustainably sourced balsa wood, ensuring consistent availability for industrial customers worldwide. Our balsa wood is responsibly sourced, with complete traceability to mitigate the risk of using timber of questionable origin. Committed to zero deforestation and supporting a circular bio-based economy, we emphasize environmental stewardship in all aspects of our production.
Our lean, automated production processes leverage state-of-the-art quality management systems, ensuring top-tier balsa wood products for diverse applications. Our balsa is expertly processed for use in vacuum infusion, hand lamination, spray lay-up, prepreg processing (up to 180°C), resin transfer molding (RTM), and adhesive bonding. The result is a reliable, high-performance material tailored to meet the stringent demands of various industries.
At Sky Composites, we prioritize eco-friendly practices through our subsidiary, Cobalsa, located in Ecuador. With over 50 years of experience, Cobalsa is dedicated to cultivating balsa trees sustainably, ensuring a continuous supply of A-grade end-grain balsa wood. Ecuador supplies more than 95% of the world's balsa wood, highlighting its significance in the global market.
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