Fibroo — Sustainable Building Materials from Moroccan Tradition
Marrakech ↔ Berlin · Sustainable Building Materials

Building with
earth, sun
and tradition.

Fibroo develops bio-based building materials from agricultural waste — inspired by centuries-old Moroccan earthen architecture, refined through modern thermo-physical science.

Aït Ben Haddou kasbah — traditional Moroccan earthen architecture
Circular
Economy
· since 2024 ·
40%
Of global energy consumed by buildings
Of greenhouse gas emissions from construction
100%
Bio-based inputs from local agricultural waste
0
Heating or cooling systems required

A bridge between ancient craft and modern material science.

Fibroo was born from a simple observation: the answers to today's most pressing questions often lie in the wisdom of the past. Morocco's earthen architecture in Aït-Ben-Haddou and Marrakech has endured extreme heat for centuries — without air conditioning, without fossil energy.

We process agricultural waste — chicken feathers, plant fibres, mineral residues — into ecological bricks and coatings. Through thermo-physical characterisation and thermal optimisation, we create materials with excellent insulation, low embodied energy, and low embodied carbon.

Our approach is both technological and cultural: we prove the relevance of traditional Moroccan and bioclimatic architecture for the sustainable buildings of the 21st century.

We want to contribute to a more sustainable future of cities and communities by offering sustainable building materials, maximising cost savings, and minimising energy consumption. We believe in the circular economy.

Tradition,
reimagined.

Every material tells a story from two worlds: centuries of handcraft knowledge and rigorous scientific research. The result is a family of bio-based panels and blocks with high insulation properties and hydrothermal efficiency.

M·01
Earthen brick wall in Morocco

Earthen Bricks with Plant Fibres

Unfired adobe bricks reinforced with agricultural fibres. The mix delivers high thermal mass and regulates indoor humidity naturally — the foundation of Atlas vernacular building.

Earth · Straw · Mass
M·02
Tadelakt and stucco interior of a Moroccan kasbah

Tadelakt-Inspired Plaster

A polished lime plaster from the Atlas mountains, refined with recycled mineral residues. Water-resistant, breathable, and fully compostable at end of life.

Lime · Mineral · Olive soap
M·03
Traditional Moroccan plaster wall finish

Gypsum–Feather Composite

Gypsum boards integrating chicken-feather waste as an insulating fibre. Significantly reduces thermal conductivity and valorises an overlooked by-product of the poultry industry.

Gypsum · Feathers · Waste
M·04
Moroccan earthen and brick wall detail

Industrial-Waste Fired Bricks

Fired bricks incorporating industrial sludge as additive. Reduces the need for raw clay, creates pores during firing — higher insulation performance at lower weight.

Clay · Sludge · Porosity
M·05
Cedar wood and earthen wall, Moroccan riad

Cedar–Earth Hybrid Panels

A framework of Moroccan cedar combined with earth infill. A modern interpretation of traditional riad construction with improved seismic resistance and a strong negative carbon balance.

Cedar · Earth · Riad
M·06
Traditional zellige geometric mosaic, Morocco

Zellige Reflective Tile

Glazed clay tiles inspired by the Zellige tradition of Fez. Passively reflect solar radiation and contribute to the summer cooling of the building envelope — pure passive design.

Clay · Glaze · Reflectance

Research as the foundation.

Ten years of peer-reviewed research, published in international journals on energy efficiency, thermal optimisation, vernacular architecture, and sustainable building physics.

FEB 2022
Book Chapter · Advances in Intelligent Systems and Computing

A Comparative Study of Thermal Performances of Fired Bricks Incorporating an Industrial Waste

Reducing energy consumption in the building sector is a key policy priority for industrialised nations. The use of sludge as an additive in brick manufacturing is gaining research attention due to its effective role in decreasing the amount of clay needed and creating pores during firing.

AUG 2021
Article · International Journal of Renewable Energy Development

Energy Efficiency of a Vernacular Building Design and Materials in Hot Arid Climate: Experimental and Numerical Approach

Morocco faces tremendous climate constraints — the climate is hot and dry in most parts of the country. When selecting an energy-saving approach, the architectural landscape becomes essential. Vernacular building design offers promising, locally rooted solutions.

OCT 2020
Article · Thermal Science and Engineering Progress

Thermal Performances and Environmental Analysis of a New Composite Building Material Based on Gypsum Plaster and Chicken Feathers Waste

This work focuses on improving the thermal properties of gypsum plaster by mixing it with chicken-feather waste, for use in wall and ceiling mortars. Thermal conductivity, diffusivity, and effusivity were measured using the transient hot-plate and flash methods.

2020
Article · Construction Materials Research

Thermal Study of Clay Bricks Reinforced by Sisal-Fibres Used in Construction in South of Morocco

This study investigates the thermal behaviour of unfired clay bricks reinforced with sisal fibres, a locally available agricultural by-product. The composite reduces thermal conductivity and offers a low-cost, low-carbon alternative for vernacular construction in arid southern regions.

DEC 2019
Article · International Journal of Engineering and Advanced Technology

Impact of Orientation on the Thermal Performances in Vernacular Buildings in Hot Arid Climate

Morocco faces enormous climatic constraints, with a large part of the territory enduring a hot and dry climate. The reinterpretation of vernacular architectural techniques and forms — applied with awareness of orientation — proves essential to any meaningful energy-saving strategy.

DEC 2019
Book Chapter

Impact of Traditional Architecture on the Thermal Performances of Building in South Morocco

Traditional housing is an essential source for studying the climate adaptation of buildings, in comparison with contemporary housing — which consumes more than 25% of national energy consumption. This study examines the thermal behaviour of traditional buildings in southern Morocco and evaluates the impact of using traditional techniques today.

AUG 2018
Article · Energy Procedia

Energy Performance and Thermal Proprieties of Three Types of Unfired Clay Bricks

Heating and cooling for thermal comfort represent about 50% of the energy consumption in buildings — largely supplied by fossil fuels. The building materials commonly used in Morocco have low thermal resistance, generating significant expense and emissions. This work characterises three unfired clay brick formulations.

JAN 2018
Book Chapter

A Dynamic Thermal Simulation in New Residential Housing of Lakhiayta City in Morocco

The aim of this study is to identify the optimal combination of energy-efficient heating and cooling materials that yields energy-saving buildings. The regulatory thermal-transmittance requirements (TRCM) for the residential envelope are evaluated through dynamic simulation.

JAN 2017
Article · Journal of Materials and Environmental Sciences

The Improving Energy Efficiency Using Unfired Clay Envelope of Housing Construction in the South Morocco

Unfired clay is widely used in Moroccan rural areas as a building material, especially in the hot and arid climate regions. Unfired clay bricks offer a cost-effective form of construction and are selected for their low environmental impact. This work explores how to valorise this ecological material to improve building energy performance.

JUL 2016
Conference Paper

Semi-Empirical Models for the Estimation of Global Solar Irradiance Measurements in Morocco

A study of semi-empirical models for estimating global solar irradiance across multiple Moroccan locations (Zagora, Tan-Tan and others). The work supports the design of solar-aware building envelopes by providing reliable irradiance data for hot-arid regions.

From waste to material.
From material to home.

01

Source locally

Agricultural and industrial waste from Moroccan regions — feathers, plant fibres, mineral residues — collected directly at source.

02

Characterise

Thermo-physical testing determines conductivity, diffusivity, and hygroscopic behaviour. Every material is scientifically measured.

03

Compose

Optimised mixtures and formulations emerge — bio-based panels and blocks with low embodied energy and low embodied carbon.

04

Build

Applied in real building envelopes, combined with bioclimatic architecture. Thermal comfort without heating or cooling systems.

Traditional Moroccan riad courtyard with arches
Bioclimatic design — proven for a thousand years.

Traditional knowledge is living research.

Riads, kasbahs, and the vernacular dwellings of Morocco are not folklore — they are highly developed climate systems. We analyse their principles and translate them into modern construction.

  • → 01 Inner courtyards act as natural ventilation and cooling systems via night-time radiative cooling and the stack effect.
  • → 02 Massive walls with high thermal inertia keep heat out during the day and release it slowly at night.
  • → 03 Mashrabiya screens filter light and wind, creating privacy and ventilation without any energy input.
  • → 04 Bright lime renders reflect solar radiation — a form of passive climate technology from the Atlas mountains.

Build the next generation of sustainable buildings with us.

We're looking for partners — universities, architecture practices, developers, and research institutes — to bring bio-based materials into real-world construction.