# Supersede

> Supersede is a Phoenix advanced-materials company making a 1:1 replacement for marine-grade plywood out of recycled polypropylene. Its extruded Marine Board is waterproof, rot-proof, termite-proof and 100% recyclable, and it drops into a boatbuilder's existing line without new tooling. Co-founded by serial hardware founder Sean Petterson, the company raised $10 million in 2025 and put its board on the standard build sheet for Thunder Jet's 2026 boats.

- **Founded:** 2021
- **Headquarters:** Phoenix, Arizona, United States
- **Founders:** Sean Petterson (CEO and Co-Founder), Jordan Darling (COO and Co-Founder), Shane Kenyon (Head of Engineering and Co-Founder)
- **Team size:** ~13 employees
- **Products:** Supersede Marine Board, USTA+ Board, Off-cut buy-back program
- **Notable:** Launched what it calls the world's first 1:1 marine-grade plywood replacement (Supersede Marine Board), October 2024., Won the IBEX 2024 Innovation Award in Boatbuilding Methods & Materials., Raised $10 million in 2025 to scale decentralized manufacturing.

## Products & services

- **Supersede Marine Board** — A structural, waterproof hollow-core panel extruded from recycled polypropylene with proprietary additives. Marketed as a 1:1 replacement for marine-grade plywood in boat decks, transoms and stringers - UV-stable, rot-proof, termite-proof, mold-proof, splinter-proof, VOC-free, 100% recyclable, and workable with standard woodworking tools. Company says it beats plywood on compressive strength, fastener retention and durability.
- **USTA+ Board** — A lightweight, waterproof sheathing board for applications where weight matters, positioned as a plywood/OSB replacement for RVs, trailers, modular homes and construction.
- **Off-cut buy-back program** — Supersede buys back customers' manufacturing off-cuts to feed back into its own recycling loop, closing the material cycle and reducing customer waste-disposal costs.

## Achievements

- Launched what it calls the world's first 1:1 marine-grade plywood replacement (Supersede Marine Board), October 2024.
- Won the IBEX 2024 Innovation Award in Boatbuilding Methods & Materials.
- Raised $10 million in 2025 to scale decentralized manufacturing.
- Adopted as standard material on Thunder Jet's entire 2026 boat lineup.
- Co-founders Sean Petterson and Jordan Darling are Forbes 30 Under 30 honorees in manufacturing.
- Recognized by Fast Company (World Changing Ideas) and named CleanTech Breakthrough's Green Manufacturing Company of the Year.
- First Phoenix plant sized for ~150,000 4x8 sheets per year, with a second facility planned to triple capacity and add 50+ jobs.

## Latest updates

- **2026-05** — Company records show a debt-financing raise (approximately $5M) as part of scaling production.
- **2025-07** — Forbes reports Supersede raised $10 million as investor appetite for hardware returns.
- **2026** — Supersede Marine Board becomes standard on Thunder Jet's 2026 model-year boats.

## Links

- Website: https://supersede.build
- LinkedIn: https://www.linkedin.com/company/supersedematerials
- Instagram: https://www.instagram.com/supersedebuild

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Profile page: https://yespress.io/supersede
Published by YesPress — https://yespress.io
Last updated: 2026-08-20