100mm BLOC Dense Concrete Block 7.3N Void Pack of 66

100mm BLOC Dense Concrete Block 7.3N Void

The 100mm BLOC Dense Concrete Block 7.3N Void is a robust, high-strength aggregate block designed for demanding structural applications. Built to perform in both above-ground and below-ground construction, it’s a dependable choice for projects where durability, fire resistance, and sound insulation are essential. Dense aggregate blocks are known for their excellent technical performance. Their solid, heavy construction delivers impressive acoustic properties, helping to reduce sound transmission between spaces. This makes them particularly suitable for residential, commercial, and industrial buildings where noise control is important. These blocks also provide an excellent key for secondary finishes, including plaster, render, drylining, and mechanical fixings. Whether used in load-bearing walls or block and beam floor systems, they offer long-lasting strength and reliability across a wide range of building types. Each block measures 440 x 215 x 100mm, with approximately 10 blocks required per m², making it easy to calculate quantities for your project. Supplied in packs of 66, they are practical to handle and store on site.

Key Features & Benefits

7.3N Compressive Strength – Ideal for high-strength load-bearing walls Class A1 Fire Rated – Non-combustible for maximum fire safety Excellent Acoustic Performance – Provides high levels of sound insulation Suitable Above & Below Ground – Versatile for a wide range of applications Great Key for Finishes & Fixings – Ideal for plaster, render, drylining, and fixings Durable Dense Aggregate Construction – Built for long-term performance Suitable for Block & Beam Floors – Adds structural reliability

Frequently Asked Questions

What are 100mm BLOC dense concrete blocks typically used for?

They are commonly used for load-bearing walls, internal and external walls, block and beam floors, and below-ground construction where strength and durability are required.

Are these blocks suitable for fire-resistant construction?

Yes, they are Class A1 fire rated, meaning they are non-combustible and provide excellent fire resistance.

Can these blocks be finished with plaster or render?

Absolutely. Their dense surface provides an excellent key for plaster, render, drylining, and a wide range of mechanical fixings.