A perforated brick is a fired clay brick containing vertical holes through its body, which reduce the amount of clay and weight required while improving the brick’s thermal insulation.
The holes run from top to bottom of the brick and are formed during extrusion. Because the air-filled voids interrupt the path of heat through the material, a perforated brick insulates better than a solid brick of the same size, while using less raw material and being lighter to handle.
Advantages
- Lower weight: easier to lift and lay, reducing structural load.
- Better insulation: enclosed air pockets slow heat transfer.
- Material saving: less clay is used and less energy is needed to fire.
- Good mortar key: the perforations can help mortar and finishes grip.
Application
Perforated bricks are widely used in modern masonry.
| Use | Benefit |
|---|---|
| Load-bearing walls | Combines strength with reduced weight |
| Cavity walls | Improved thermal performance |
| Partition walls | Lightweight, efficient construction |
The proportion and pattern of the holes must remain within limits so the brick retains sufficient compressive strength for its structural role. Perforated bricks are distinct from hollow blocks, which have larger cavities and are used somewhat differently.
Related terms
- brick
- masonry
- insulation
- hollow brick
- cavity wall
Looking for more DIY plans? Check out fredsdiyplans.com.