In 2025, ReMaterials, an Ahmedabad-based startup, is redefining affordable housing with ModRoof, a modular roofing system made from recycled cardboard and agro-fibers. Founded by Hasit Ganatra and Lisa von Rabenau in 2012, it serves low-income communities. ModRoof offers durable, waterproof, and insulated panels for homes and buildings. They are operating in Gujarat, with global aspirations. The industry is gaining momentum in 2025 after years of innovation. By recycling waste into eco-friendly roofing, ReMaterials enhances living conditions while protecting the environment.
Innovative Design from Waste
ReMaterials’ ModRoof, launched by Pal Re Materials Pvt Ltd, transforms recycled cardboard, coconut fibers, and agricultural waste into 0.5 x 0.5 m modular panels, per Engineering For Change. Unlike leaky, heat-trapping metal or asbestos roofs common in Indian slums, ModRoof is waterproof, fireproof, and insulated, reducing indoor temperatures by up to 4.5°C, per reports. The panels, coated with a custom waterproofing layer and secured with silicon sealant, attach to wood or metal rafters, offering a 20-year lifespan.
Empowering Communities, Reducing Waste
Founded in 2012, ReMaterials targets over one billion people lacking adequate roofing. Their Ahmedabad factory employs local workers, sourcing waste locally to create affordable panels costing ₹400–500 per square foot, 50–60% cheaper than concrete slabs. Partnerships with microfinance firms and NGOs like SEWA and Mahila Housing Trust make ModRoof accessible, with costs ranging from ₹50,000–₹1,00,000 per home. A 2025 initiative integrates solar cells into panels, powering LED lights and phones.
Impact and Recognition
A 2017 Ahmedabad study by the Gujarat Institute of Desert Ecology confirmed ModRoof’s cooling benefits, improving livability in slums, per reports. ReMaterials’ 2018 funding from Habitat for Humanity’s Terwilliger Center ($250,000) and a total of $390,000 raised underscore its potential.
Challenges and Future Prospects
Scaling production and competing with cheaper, toxic alternatives like asbestos remain hurdles. Awareness in rural areas is low, and initial installation requires removing existing roofs, per Engineering For Change. Will ModRoof transform global low-income housing or face adoption barriers? As demand for sustainable solutions grows—68% of Indian consumers prefer eco-friendly products—ReMaterials’ innovative, community-driven approach positions it as a leader in green roofing.
-By Manoj H