Chelsea Concrete Hollow Blocks are excellent for external walls, non load-bearing applications, and are available in high and low density with a rough or clean finish no plastering required. Manufactured in 4" and 8" sizes to suit your project.
At Chelsea Concrete, every Hollow Block is manufactured under strict quality control using state-of-the-art German machinery to deliver consistent dimensions, strength and long-term wall performance.
Excellent for external walls where load-bearing capacity isn't required.
Available in high and low density options to suit different wall and insulation needs.
Choose a rough or clean finish no plastering required for a faster, cleaner build.
Manufactured as per IS 2185(Part 1):2005 standards for guaranteed quality.
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| Block Type | Dimensions (mm) | Compressive Strength | Water Absorption |
|---|---|---|---|
| 8'' Hollow | L: 400 W: 200 H: 200 | 7–7.5 N/mm² | 3–5% |
| 4'' Hollow | L: 400 W: 100 H: 200 | 7–7.5 N/mm² | 3–5% |
Standard: As Per IS 2185(Part 1):2005
| Width | Face Size | Typical Use |
|---|---|---|
| 100 mm (4'') | 400 × 200 mm | Internal / partition walls |
| 150 mm (6'') | 400 × 200 mm | Available on request |
| 200 mm (8'') | 400 × 200 mm | External / boundary walls |
Chelsea Concrete Hollow Blocks are available in 100mm, 150mm and 200mm widths at a standard 400×200mm face choose the width that fits your wall thickness and load requirement.
Every Chelsea Concrete Hollow Block is manufactured under strict quality control using German machinery and tested as per IS 2185(Part 1):2005 see how that translates into real wall performance on site.
| Feature | Chelsea Concrete Hollow Block IS 2185(Part 1):2005 Certified | Other Brands Typical Market Product |
|---|---|---|
| 4'' & 8'' Size Range Both widths manufactured to the same quality standard | ||
| High & Low Density Options Choose the density that suits your wall's insulation and weight needs | ||
| No Plastering Required Clean-finish option saves time and material on site | ||
| Compressive Strength 7–7.5 N/mm² for reliable non-load bearing wall performance | ||
| Low Water Absorption 3–5% water absorption by weight for better durability | ||
| Long Service Life Multiple quality checks ensure long-lasting durability | ||
| Fast, Easy Installation Uniform dimensions install faster than site-mixed masonry units |
Ready to plan your wall build? Get pricing for your project or download the full technical brochure.
Engineered to perform built for walls that need to go up fast, stay strong, and cut down on finishing work.
Excellent non-load bearing performance for external walls, boundary walls, and partitions.
Choose the density profile that best fits your project's weight, insulation, and cost requirements.
The clean finish option is ready to paint straight away, saving time and material on site.
Two width options let you match block size to wall thickness across internal and external walls.
Chelsea Concrete products undergo multiple quality checks to ensure long-lasting durability under demanding conditions.
Real Hollow Block projects completed by Chelsea Concrete.
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Everything you need to know about our Hollow Blocks before you get started.
Both are 400×200mm on the face, but the 4'' block is 100mm wide (ideal for internal or partition walls) while the 8'' block is 200mm wide (ideal for external or boundary walls). Both share the same 7–7.5 N/mm² compressive strength.
No. Chelsea Concrete Hollow Blocks are available in a clean finish that requires no plastering, as well as a rough finish for projects that prefer traditional plastering.
High density blocks offer greater strength and mass, while low density blocks are lighter and offer better thermal insulation. Our team can help you choose based on your wall's requirements.
No, Chelsea Concrete Hollow Blocks are designed for non-load bearing applications such as external walls, boundary walls and internal partitions.
Talk to our team directly we reply within 24 hours.
Yes, a 150mm width is available on request alongside our standard 4'' and 8'' sizes. Contact our team to discuss availability and lead time for your project.
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