Ecological Building Materials: Overview of Green Alternatives in 2025

Why Are Ecological Materials Experiencing a Renaissance?

Conventional construction has relied for decades on reinforced concrete, steel, glass wool, and polystyrene. Facing climate challenges and resource depletion, the construction sector is seeing a revival of bio-sourced and recycled materials.

Overview of Key Ecological Alternatives in 2025

1. Recycled textile fiber (Rebrick): 100% recycled, non-irritating, excellent carbon footprint, dual thermal and acoustic performance, lifespan over 50 years.
2. Straw: Ultra-local, low cost, excellent R/thickness, CO₂ capturer. Sensitive to moisture if poorly protected.
3. Hemp and hurd (béton de chanvre): Exceptional hygrothermal regulation, 100% bio-sourced. Long drying time, higher cost.
4. Cellulose wadding: 85% recycled material, good value/price ratio, good thermal inertia.
5. Cork: 100% natural, rot-proof, excellent impact noise insulant. Higher price.
6. Raw earth (pisé, adobe): Ultra-local, exceptional thermal inertia, zero carbon at manufacturing. Very moisture-sensitive.

Conclusion

The era of sustainable building materials is here. Rebrick recycled textile fiber stands out for its balanced performance profile: good thermal, excellent acoustic, exceptional carbon footprint, and competitive price. Consult our catalog to discover our full range.