High Strength Block

Some benefits and features of high strength blocks include providing an excellent key for plastering and rendering, full range of accessories, cost effective, colour coded for easy identification and available in both solid and hollow format for ultimate versatility.

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Download information on our ways of working and details on the products we offer.



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Masonry Calculator

Find out how much masonry you need to complete your project below.

You require 25kg bags of Masonry/Coloured Mortar @ 10mm joint.

Please note: We recommend that you make an additional provision of 5% for wastage.

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Technical Specs

Size (mm)440x215 (Solid)440x100 (Solid – Soap-bar)440x140 (Solid – Soap-Bar)440x215 (Hollow & U Block)215x215 (Hollow & U Block)440x215 L Block215x100 Stock Brick
Thickness (mm)65 100 140 30010010021521510065
Strength (N/mm²)15 , 20, 301515101000
Thermal0.90 - 1.00W/mK (λ10,dry Mat)0.90 - 1.00W/mK (λ10,dry Mat)0.90 - 1.00W/mK (λ10,dry Mat)0.90 - 1.00W/mK (λ10,dry Mat)0.90 - 1.00W/mK (λ10,dry Mat)00
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