Concrete Blocks Technical Guidance | Thomas Armstrong (Concrete Blocks) Ltd

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Thermal and U-Values

Our wide range of block types and thermal conductivities give the builder multiple options for finding the most practical and economical solution for meeting target u-values

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Acoustic

With an extensive range of block types available, Thomas Armstrong can offer effective, proven and cost-effective solutions to acoustic performance requirements

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Fire

Historically, buildings formed from masonry have proven time and again to be among the safest and most reliable fire-resistant building methods available.

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Mortar Mixes

Airtec, Ultralite, Insulite and Dense Concrete block surfaces offer an excellent substrate for accepting mortars.

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Movement Control & Wall Ties

Concrete blocks regardless of manufacturer will dry out and shrink slightly once the building is complete

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Rendering

Blocks of any type or grade are not waterproof or weatherproof and must be rendered or cladded if used on an external leaf.

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Fixings

Concrete block walls provide a reliable, durable and proven background for fixing into.

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Internal Finishes

Concrete blocks have proven for many years to be the perfect background for accepting a range of finishes including plasters, drylining, paint and tiles.

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Storage and Laying of Blocks

Our concrete blocks are manufactured to the highest standards using quality raw materials.

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Externally Insulated Walls

An External Insulated Wall (also known as 'Super Insulated Masonry (SIM) Walls' consists of a solid aerated block with a layer of high performing insulation.

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Thin Joint Construction

Thin Joint is a masonry wall construction technique which replaces conventional 10mm cement : sand mortar joints with 2-3mm joints using a special adhesive mortar.

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Foundations & Below DPC

Our range of concrete blocks are resilient and durable products most of which are perfectly suitable for use below damp proof course (DPC) and as foundation wall blocks.

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