ORGANIZERS
The RCP is the world's first Spanish-speaking straw construction network.
ESBA was founded to cooperate, exchange and communicate in the topic of straw building in Europe.
COLLABORATING ENTITIES
Sustainability program Ajuntament Canet de Mar
Ajuntament Canet de Mar
Publishing house specializing in green building, permaculture, green technologies, and regenerative cultures since 2002.
The Gremi de la Bioconstrucció de Catalunya is a meeting point for professionals in the sector interested in promoting sustainable construction with a positive impact on the environment.
Architecture and Sustainability Group of the Col.legi d'Arquitectes de Catalunya.
PLATINUM
The EcoCocon Straw Wall System combines bio-based materials with high energy efficiency, offering superior insulation and air quality. Cradle to Cradle Certified® and Passive House-ready, it stores more CO₂ than it emits. Prefabricated for quick, low-waste assembly, it creates a vapor-open, breathable envelope, redefining sustainable architecture.
Eestimaaehitus - Competence Center for Ecological Building - connects natural building enterprises and organizations, and individuals in Estonia. Center offers broad educational services and promotes traditional and modern solutions in the field of energy efficiency and natural building, initiates cooperation between natural building enterprises and research institutions, manages local and international projects, and international networking. Eestimaaehitus is a member of Earth Build Europe network and European Straw Building Association, and a training partner of the Estonian Unemployment Insurance Fund.
GOLD
Manufacturing and installation of wooden windows and exterior closures.
Vive la Madera: Experts in the manufacturing and distribution of wood products for construction, offering quality, sustainability, and design in every project.
The first network in France for building that is ecological, convivial (in the sense of Illich), and resilient - rooted in mutual aid.
Straw-based insulation system, with simple technology and low economic investment. Contributes to the transformation of the insulation industry towards a more sustainable future.
SILVER
Manufacturing and assembly of wooden structures.
Revalu is a platform built for AEC professionals who want to make more informed material decisions. We help architects, consultants and contractors find, compare, and organise building materials, with clear data on environmental performance. Whether you’re working with EPDs or pulling together a list of materials for a project, revalu makes it easier to integrate material choices into your workflow.
At Cemento Natural Tigre we have been manufacturing Natural Hydraulic Lime (NHL) and Natural Cement, guaranteeing quality, sustainability, and respect for the environment since 1945.
A bioconstruction workshop-school that helps people build their own bioclimatic, self-sufficient straw bale homes, combining technical training, inspiration, and self-sufficiency.
RMT Insulation produces and sells ecological insulation based on renewable fibers for professionals. With a focus on innovation, it has its own R&D center where it develops more sustainable and efficient insulation solutions.
Miquel Escobar, technical architect and interior designer specializing in bioarchitecture. Self-construction consultant and curator of EXPOTERRA.
VestaEco, a Polish company, produces bio-based composite materials for construction. It transforms lignocellulosic fibers from cereal straw into pulps and low- and medium-density boards.
BRONZE
Construction company specialized in regenerative architecture. Architectural projects, comprehensive construction management, professional assessment, training and manufacturing of prefabs by Alfawall.
PURATERRA, 15 years of experience building with raw earth. We produce, sell, and apply mortars and other clay-based construction materials.
Training and social center for the promotion of constructive techniques and materials for regenerative construction.
Distribució Sostenible, a pioneer in Catalonia in the distribution of natural insulation since 2009. We distribute insulation made from recycled cotton, wood fiber, cellulose, and cork.
Bioconstruible, founded by Luis Pastor and Ana Gordillo, is a studio specializing in ecological construction using natural materials. It combines projects, training, and research, and has been recognized for its work with awards in Castile and León.
Architecture and green building with a bioclimatic design approach.
We are a state-owned subsidiary of the German Institute IBN, that has been providing training in habitat biology since 2009. Our approach promotes healthy, efficient, and sustainable construction and renovations, respecting the environment and fostering dignified habitats.
An architectural firm founded by Arnau Bujons in 2013, specializing in green construction and bioclimatic design. It offers projects, consulting, and training using natural materials such as straw, earth, and wood.
Build with awareness, heart and cooperation.