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14Trees

ServiceHolderbank AG, Aargau, SwitzerlandFounded 2016· One of 2095 Service companies tracked by AMPulse

Provides construction 3D printing services for affordable housing and schools using proprietary IROKO printers and low-carbon cement-based inks, reducing construction time by up to 70% and carbon footprint by 50% compared to traditional methods.

CEO / Founder
Abhinav Sinha
Team Size
51-200
Stage
Growth Stage
Total Funding
$10M
Latest Round
Series A
Key Investors
Holcim; British International Investment (BII); Amazon's Climate Pledge Fund

Technology & Products

Key Products

3D printing technology for affordable housing and schools, utilizing proprietary IROKO printers and low-carbon cement-based inks.

Technological Advantage

Proprietary IROKO printer technology with multi-laser system controlling print quality 50 times per second for improved performance and safety; access to Holcim's sustainable cement materials (TectorPrint) reduces carbon footprint by 50-70%; joint venture structure provides capital, supply chain, and distribution advantages.

Differentiation

Value Proposition

Reduces construction time from months to weeks (walls printed in 12-18 hours, complete buildings in ~1 month) and cuts carbon footprint by 50-70% versus conventional building methods, enabling rapid deployment of affordable, sustainable housing and schools.

How They Differentiate

Focuses on affordable housing in Africa with proprietary IROKO printer and Holcim's low-carbon inks, achieving 50-70% carbon reduction and rapid deployment (walls in 12-18 hours); backed by Holcim, BII, and Amazon for scale, unlike smaller startups.

Market & Competition

Target Customers

Construction contractors, developers, governments, and NGOs in Africa, Europe, and the U.S. seeking sustainable, affordable housing and infrastructure solutions.

Industry Verticals

Construction; Affordable Housing; Education Infrastructure; Commercial Real Estate

Competitors

Apis Cor; Alquist 3D; ChangeMaker 3D

Growth & Milestones

Growth Metrics

Has delivered 10% of the world's 3D-printed buildings; projects across Africa since 2020; expanding to Europe and U.S. markets.

Major Milestones

Founded in 2016 as Holcim-CDC joint venture; Delivered first 3D-printed house in Africa (2020); Built world's first 3D-printed school in Malawi (2021); Launched IROKO 3D printer in Africa (2023); Secured investment from Amazon's Climate Pledge Fund (2024)

Notable Customers

UNICEF; Holcim; CDC Group; Bamburi Cement; LafargeHolcim

https://www.14trees.com

Why this company matters

14Trees occupies a distinctive position in construction 3D printing by focusing on affordable housing and educational infrastructure in emerging markets, particularly Africa. Founded in 2016 as a joint venture between Holcim and British International Investment (BII), the company addresses the dual challenges of housing shortages and carbon emissions. Its approach differs from most construction-printing startups by combining a proprietary printer with access to Holcim's sustainable cement materials, enabling a 50-70% reduction in carbon footprint versus conventional building methods.

The core technology is the IROKO printer, a gantry-style system using material extrusion for 3D concrete printing (MEX-3DCP). It incorporates a multi-laser system that monitors print quality 50 times per second, a feature designed to improve structural performance and safety on site. 14Trees uses low-carbon cement-based inks, including Holcim's TectorPrint, to print walls in 12-18 hours and complete a building in roughly one month. The IROKO was developed in Africa and launched in 2023, making it the first construction 3D printer designed on the continent.

Customers include construction contractors, developers, governments, and NGOs. Notable projects include the first 3D-printed house in Africa (2020) and the world's first 3D-printed school in Malawi (2021), built with UNICEF. 14Trees has delivered approximately 10% of the world's 3D-printed buildings and is expanding from its African base into Europe and the U.S. The joint venture structure provides capital, supply chain, and distribution advantages, with Amazon's Climate Pledge Fund joining as an investor in 2024.

The company's strategic moat rests on its access to Holcim's materials R&D and global distribution network, combined with BII's development finance expertise and Amazon's investment. Competitive risks include the emergence of lower-cost local construction-printing startups and the challenge of scaling to meet massive infrastructure demand. The proprietary nature of the IROKO printer and ink formulations, likely protected as trade secrets, adds a layer of defensibility.