Hollow blocks are great construction materials. Here we explain their uses, types, the standard CHB size, hollow blocks price, advantages, and more.
There are two variations of concrete blocks. Namely, solid concrete blocks and hollow concrete blocks.
Here, we explain everything to know about hollow concrete blocks. From what concrete blocks are, their uses, types, sizes, hollow blocks price, to their advantages and disadvantages.
Contents
What Is Hollow Blocks
Hollow concrete blocks, also known as hollow blocks or CHB for short, are a variant of concrete blocks commonly used for building external and internal walls.
Hollow blocks are made from Portland cement, sand, and aggregate.
Hollow blocks are larger compared to conventional bricks, thus allowing for speedy construction. Hollow blocks come in varying sizes.
Note that while CHB size varies, there are standards. More about this in the hollow blocks size section.
Uses of Hollow Blocks
Hollow blocks are more commonly used in masonry construction. For example,
- Exterior load-bearing walls
- Interior load-bearing walls
- Curtain walls
- Panel walls
- Partition walls
- Fire-safe walls around elevators and stairwells
- Fireproofing over a structural member
- Boundary fences
- Retaining walls
Type of Hollow Blocks
- Base concrete hollow block
Also known as an artificial wall stone. Base concrete hollow block has good durability. It doesn’t shrink or crumble.
- Rough surface hollow block
The rough surface hollow block comes with a rugged or crushed look. It makes an interesting addition to fences and decorative parts of buildings.
- Colored concrete hollow block
Hollow blocks are often used in fences. This makes colored concrete hollow blocks the better choice as they are more visually appealing than their regular counterparts.
- Decorative hollow block
A recent addition to the construction materials market, this hollow block comes with a decorative coating on one or both of its sides. With decorative hollow blocks, complex finishing work is no longer needed.
Hollow Block Size
Hollow blocks size Philippines vary but the standard size of hollow blocks in the philippines (CHB standard size) are :
- CHB 4
40 cm (length) X 20 cm (width) X 4 inches (thickness)
- CHB 5
40 cm (length) X 20 cm (width) X 5 inches (thickness)
- CHB 6
40 cm (length) X 20 cm (width) X 6 inches (thickness)
- CHB 8
40 cm (length) X 20 cm (width) X 8 inches (thickness)
Hollow Block Price List in Philippines
What about the hollow blocks price? The price varies. Here’s a price list of hollow blocks price with standard size of hollow blocks in the philippines.
| Strength | Dimension | Price (in ₱) |
| Ordinary | 40 cm x 20 cm x 4 inches | 12.00 |
| 40 cm x 20 cm x 5 inches | 13.00 | |
| 40 cm x 20 cm x 6 inches | 16.00 | |
| 450 PSI | 40 cm x 20 cm x 4 inches | 21.00 |
| 40 cm x 20 cm x 5 inches | 22.50 | |
| 40 cm x 20 cm x 6 inches | 24.50 | |
| 40 cm x 20 cm x 8 inches | 30.00 | |
| 500 PSI | 40 cm x 20 cm x 4 inches | 22.50 |
| 40 cm x 20 cm x 5 inches | 24.00 | |
| 40 cm x 20 cm x 6 inches | 26.00 | |
| 40 cm x 20 cm x 8 inches | 32.00 | |
| 700 PSI | 40 cm x 20 cm x 4 inches | 23.50 |
| 40 cm x 20 cm x 5 inches | 25.00 | |
| 40 cm x 20 cm x 6 inches | 27.50 | |
| 40 cm x 20 cm x 8 inches | 34.00 | |
| 1000 PSI | 40 cm x 20 cm x 4 inches | 25.50 |
| 40 cm x 20 cm x 5 inches | 26.00 | |
| 40 cm x 20 cm x 6 inches | 29.50 | |
| 40 cm x 20 cm x 8 inches | 36.00 |
Hollow Block Advantages
Hollow blocks have many advantages. The advantages include
- High durability
- Cost-effective
- Environment-friendly
- Allow for speedy construction
Hollow Block Disadvantages
As good as they are, hollow blocks do come with disadvantages. The disadvantages of hollow blocks are
- Bland appearance
- High maintenance cost
- Porous, which can lead to water absorption problems
- Have a low bearing capacity
Hollow concrete blocks are amazing construction materials. They are highly durable, cost-effective, environment-friendly, and allow for speedy construction.
Moreover, hollow concrete blocks come in many types and sizes, providing you with many options to choose from. Hollow blocks price varies as well.