Dense concrete blocks 7.3N
Strong, heavy blocks for walls, foundations and extensions. Choose the width your design calls for.
What it's used for
- Foundations below ground level
- Internal and external walls
- Garden walls, with a suitable finish
Details
| Thickness | 100mm, 140mm |
|---|---|
| Strength | 7.3N |
| Coverage | About 10 blocks a square metre, at 440 x 215mm |
| Sold by | The block |
Common questions
How many blocks do I need?
Allow about 10 blocks for each square metre of wall, plus some for cuts and breakages. Our Project Builder can work it out.
How heavy are concrete blocks?
A dense 100mm block weighs around 20kg, and a 140mm block weighs more. Plan how you'll move them around site.
How is delivery priced?
Delivery is £25 on orders under £275, £10 on orders from £275 to £400, and free over £400, all including VAT. Most items arrive in 2 to 3 working days, and 2-day delivery is £30 extra including VAT.
Where do you deliver?
We cover major cities and towns across England and parts of Wales. Enter your postcode to check.
