Surf Block Maui—an offshoot of Hawai‘i Off Grid Architecture, upcycles foam scraps from local surfboard shapers into insulated composite concrete form (ICCF) blocks. Made of about 85% recycled EPS foam bonded with cement, these modular blocks require one-third less concrete than traditional cinder blocks and offer double the insulation performance. They’re fire-resistant, termite-proof, mold-resistant, and four times stronger than wooden walls in hurricanes.
Founder David Sellers discovered untapped potential when he observed dumpsters filled with polystyrene foam from surfboard manufacturers. His team secured a grant, developed pilot blocks, and is now constructing resilient, low-carbon homes—including one nearing completion in Olowalu. With local supply and low embodied carbon, Surf Blocks directly address both environmental waste and construction needs.
Surfboard Waste Blocks
Surf Block Maui Turns Surfboard Foam Waste into Insulated Building Blocks
Trend Themes
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Sustainable Construction Materials — The innovation of transforming surfboard foam waste into building materials emphasizes the shift toward eco-friendly construction solutions.
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Circular Economy Practices — Utilizing local waste products for new applications showcases the growing trend of circular economy practices in reducing environmental impact.
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Resilient Building Solutions — The development of durable, insulated building blocks reflects the emphasis on constructing resilient homes that withstand extreme weather events.
Industry Implications
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Green Building — The advancement of recycled materials in construction highlights opportunities for the green building industry to innovate sustainable practices.
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Waste Management — Repurposing foam waste from surfboards into building materials reveals potential for the waste management industry to integrate novel recycling methods.
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Disaster-resilient Housing — The creation of robust, insulated composite blocks presents significant advances in the disaster-resilient housing sector.