MPN: H0510036

215mm BLOC Hollow Concrete Block 7.3N Void Pack of 38

215mm BLOC Hollow Concrete Block 7.3N Void Pack of 38


Regular price £115.81 Excl. VAT
£138.97 Incl. VAT
Sale price £115.81 Excl. VAT
£138.97 Incl. VAT
Regular price
*For business & Trade Accounts only.
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Key Information

Product Information

215mm BLOC Hollow Concrete Block 7.3N Void

The 215mm BLOC Hollow Concrete Block 7.3N Void is a strong and durable building block designed for demanding construction applications where structural performance is key. Suitable for both internal and external use, this block performs reliably in projects above and below ground. Manufactured from dense concrete, the hollow core design helps balance strength with practicality, making the blocks easier to handle while still delivering excellent load-bearing capability. With a compressive strength of 7.3N, they are ideal for situations where durability and long-term performance are essential. These blocks are commonly used across a wide range of building types, including residential, commercial, and industrial projects. Whether used in foundations, structural walls, or other load-bearing applications, they provide consistent strength and a dependable base for further construction. Each block measures 440 x 215 x 215mm and is supplied in packs of 38, making them straightforward to plan, store, and install on site.

Key Features & Benefits

7.3N Compressive Strength – Suitable for structural and load-bearing applications Hollow Core Design – Strong yet practical for easier handling on site Suitable Above & Below Ground – Versatile for multiple construction uses Internal & External Use – Ideal for a wide range of building types Durable Dense Concrete – Built for long-lasting performance

Frequently Asked Questions

What are 215mm hollow concrete blocks commonly used for?

They are typically used for structural walls, foundations, and other load-bearing applications where strength and durability are required.

Can these blocks be used below ground?

Yes, these blocks are suitable for both above-ground and below-ground use, making them ideal for foundations and structural walls.

Are hollow concrete blocks still strong enough for load-bearing walls?

Absolutely. With a compressive strength of 7.3N, these hollow blocks provide excellent structural performance while remaining practical to work with.

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Why Choose Us

At JJ Building Materials, we're committed to supplying quality building products at competitive prices, backed by the service and expertise you'd expect from an established independent merchant. Whether you're a trade professional managing large-scale projects or a homeowner taking on a DIY renovation, we're here to help you find the right products for the job.

As part of the JJ Roofing Supplies Group, we build on decades of experience supplying construction materials across the UK. We've expanded beyond roofing to offer a growing range of building materials, including timber, insulation, landscaping products, plumbing supplies, flooring, doors, bricks, fencing, garden buildings and much more – all available to order online with nationwide delivery.

We work with many of the industry's leading manufacturers to bring you trusted products that meet the highest standards of quality and performance. Our team is passionate about providing excellent customer service, competitive pricing and a straightforward shopping experience from start to finish.

When you shop with JJ Building Materials, you can expect:

  • Competitive prices on leading brands and quality products.
  • Nationwide delivery across the UK
  • A constantly expanding range of building and landscaping materials.
  • Friendly, knowledgeable customer support.
  • A trusted business backed by the JJ Roofing Supplies Group.

Delivery

Every order is personally reviewed by our experienced team to ensure everything is correct before dispatch. We offer delivery from as little as the next working day on selected products, so please refer to the dark blue Estimated Delivery box above for the expected delivery timeframe for this item.

We work with trusted manufacturers and specialist delivery partners to ensure your order arrives safely and on time. You'll receive tracking details once your order has been dispatched, and if we need to confirm any delivery details, one of our team will contact you directly to keep everything running smoothly.

Roof Tiles & Fittings:

We recommend ordering an additional 10% of roof tiles to allow for any breakages that may occur during delivery or handling. Roof tiles are naturally fragile, and having a few extra on site helps prevent delays and ensures your roofing project can be completed without interruption.

215mm BLOC Hollow Concrete Block 7.3N Void Pack of 38

£115.81

Can I collect this product from a local branch?

Absolutely. Check availability at your nearest branch during checkout or contact us directly.

Do you offer bulk pricing or trade discounts?

Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.

What if the product arrives damaged?

Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.

How fast is the delivery time?

Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.

What is the Return Policy?

We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.