Dense Concrete Block 100mm 7.3N

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Solid Dense Concrete Blocks – Heavy Duty, High Strength & Sound Insulated | Wel Timber & Building Supplies

Looking for premium-grade concrete blocks?

At Wel Timber & Building Supplies, our Solid Dense Concrete Blocks are manufactured to BS EN 771-3 using crushed rock and gravel aggregates to BS EN 12620 with high-quality Portland cement — giving you strength, durability, and superior acoustic performance.

These heavy-duty dense concrete blocks are ideal for load-bearing walls, foundations, partitions, and sound-separating structures. Their high density (1990 kg/m³) provides exceptional sound insulation, meeting Building Regulations and Robust Details requirements with ease.

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Product Specifications

• Compressive Strength: 7.3 N/mm²
• Thermal Conductivity (λ Internal): 1.32 W/m·K
• Thermal Conductivity (λ External): 1.42 W/m·K
• Dry Density: 1990 kg/m³
• Face Dimensions: 440 × 215 mm
• Certified to: BS EN 771-3 & BS EN 12620

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Key Benefits

• High-strength construction for commercial & domestic builds
• Excellent sound insulation for internal and external walls
• Consistent size, density, and finish
• Fully British Standard Certified
• Suitable for housing, schools, hotels, and industrial projects
• Available for collection or nationwide delivery from Wel Timber & Building Supplies, Kings Langley

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Applications

Perfect for:

• Load-bearing walls
• Sound-separating partitions
• Foundation and retaining walls
• Garage, basement & extension builds

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Why Buy from Wel Timber & Building Supplies?

We’re an independent builders’ merchant supplying premium construction materials at trade-friendly prices.

Our dense concrete blocks are trusted by contractors, developers, and DIY professionals across London, Hertfordshire, and the South East.

Order today for fast delivery or call our sales team on 01923 264880 for bulk discounts and trade quotes.

<section class="product-description">
<h2>Solid Dense Concrete Blocks – High Strength & Sound Insulated</h2>
<p><strong>Manufactured to BS EN 771-3</strong> using <strong>crushed rock and gravel aggregates (BS EN 12620)</strong> and <strong>premium Portland cement</strong>. Our high-density concrete blocks provide <strong>exceptional strength, durability, and acoustic insulation</strong> — ideal for load-bearing and sound-separating walls.</p>

<ul>
<li><strong>Compressive Strength:</strong> 7.3 N/mm²</li>
<li><strong>Thermal Conductivity (λ Internal):</strong> 1.32 W/m·K</li>
<li><strong>Thermal Conductivity (λ External):</strong> 1.42 W/m·K</li>
<li><strong>Dry Density:</strong> 1990 kg/m³</li>
<li><strong>Face Dimensions:</strong> 440 × 215 mm</li>
</ul>

<p>These <strong>dense concrete blocks</strong> deliver superior <strong>sound insulation</strong> and meet <strong>Building Regulations</strong> and <strong>Robust Details</strong> standards for both internal and external wall construction.</p>

<h3>Applications</h3>
<p>Ideal for <strong>load-bearing walls, foundations, partitions, and acoustic builds</strong>. Trusted by builders across <strong>London, Hertfordshire, and the South East</strong>.</p>

<h3>Why Choose Wel Timber & Building Supplies?</h3>
<p>As a <strong>leading independent builders’ merchant</strong>, we offer top-quality materials, <strong>competitive prices</strong>, and <strong>fast nationwide delivery</strong>. Call us on <a href="tel:01923264880">01923 264880</a> or email <a href="mailto:sales@welbm.co.uk">sales@welbm.co.uk</a> for trade discounts today.</p>

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<meta name="keywords" content="dense concrete blocks, solid concrete blocks, high strength blocks, BS EN 771-3 blocks, builders merchants Hertfordshire, Wel Timber & Building Supplies, sound insulation blocks, heavy duty concrete blocks, construction materials UK, building supplies London, blockwork, robust details walls">
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