Prototype Project

The Filstone Prototype Project, conceived by Jérémy Pernet and developed in Fátima, stands out as a pioneering initiative in the use of solid stone in contemporary construction. The building was designed to demonstrate the technical and architectural viability of Portuguese natural stone as the main structural element, without the need for concrete or steel reinforcements, whilst still respecting anti-seismic requirements.

The project’s execution was based on three essential principles: the predominant use of natural materials, such as stone, wood and cork; maximising thermal efficiency to guarantee interior comfort; and optimising the format of blocks to reduce costs, waste and construction time. In total, 334 blocks of Creme Fátima limestone were used, assembled in just 28 days by a team of three people.

This prototype proves the versatility and potential of Portuguese natural stone as a sustainable construction solution. By investing in an innovative approach, Filstone contributes to the reinterpretation of traditional techniques with a focus on sustainability, demonstrating that stone can respond to current challenges in architecture and construction with quality and efficiency.