Aerated block vs brick: which is better
The main question of house building: warm lightweight aerated concrete versus strong durable brick.
Aerated block115 €/m³
Brick230 €/m³
Principales différences
- Aerated block is roughly 50% cheaper (115 €/m³ vs 230 €/m³).
- Aerated block is warmer: lower thermal conductivity (0.12 vs 0.56 W/(m·K)).
- Brick handles moisture better: 10% water absorption vs 20%.
- Brick is stronger in compression (15 MPa vs 2.5 MPa).
Spécifications comparées
| Propriété | Aerated block | Brick |
|---|---|---|
| Prix moyen (France) | 115 €/m³ | 230 €/m³ |
| Conductivité thermique | 0.12 W/(m·K) | 0.56 W/(m·K) |
| Densité | 500 kg/m³ | 1800 kg/m³ |
| Absorption d'eau | 20 % | 10 % |
| Perméabilité à la vapeur | 0.2 mg/(m·h·Pa) | 0.14 mg/(m·h·Pa) |
| Résistance à la compression | 2.5 MPa | 15 MPa |
| Résistance au gel | 50 cycles | 50 cycles |
| Combustibilité | Incombustible | Incombustible |
Valeurs de référence typiques (SP 50.13330 / GOST) ; les chiffres réels dépendent du fabricant et de la classe.
Usage recommandé
- Aerated block
- Exterior and interior walls of private houses and low-rise buildings.
- Brick
- Load-bearing walls of houses, garages, fences and outbuildings.