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Thermalite Large Format blocks are produced with face dimensions of 440 x 430 mm, in a range of thicknesses. This is equivalent to two normal concrete blocks, or twelve bricks. Large Format blocks are specifically designed to compliment the use of Thermalite Thin Layer mortar and offer considerable productivity gains.
Building with Large Format blocks reduces not only the number of blocks that need to be laid, but also the amount of mortar required. This has the benefit of improving thermal performance, by reducing the areas of cold bridging in the wall.
The light weight of Thermalite means that Large Format blocks can be supplied in a weight of less than 20 kg (at equilibrium moisture content). This enables designers and builders to comply with the CDM Regulation, which require that consideration be given to health and safety issues on site when blocks are being handled repetitively. Attention should be given to block weights at higher densities and thicknesses.
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Shield combines all the normal qualities of Thermalite building blocks with extremely high moisture resistance.
- Available in large format
- For use with Thermalite Thin Layer Mortar
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Hi-Strength 7 has been specifically designed for applications such as flats of three storeys and above, offices, supermarkets and retail parks, where loading conditions require a 7.3 N/mm² building block.
- Available in large format
- For use with Thermalite Thin Layer Mortar
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Paint Grade Smooth is a paint grade block with the clean lines, even surfaces and neat sharp arrises that smooth faced walling demands. It is available for use in a variety of building projects such as leisure centres, retail buildings, offices and schools.
Note: If required, Paint Grade Smooth can also be laid fair faced. However, consideration should be given to the fact that colour variation can occur.
It is recommended that a Paint Grade Smooth sample panel is erected for comparison purposes before construction commences and that selection is undertaken during construction. It may also be necessary to fill small blow holes before decoration.
Due to thickness variations within manufacturing tolerances, it may be difficult to build solid partition walls which have a smooth and even surface on both sides.
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Toplite Standard
This is a great general-purpose wall product ideal for everything from inner leaves and solid walls to internal partitions and walls below DPC. We also recommend it for separating walls, including ones conforming to Robust Detail E-WM-6. Below ground, you can use Toplite Standard in sulfate soil conditions not exceeding DS-3.
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Durox Supabloc
Durox Supabloc blocks are mainly used for the inner leaf of cavity walls, for solid clad or rendered external walls, and for internal partition walls. You can also use them below ground for cavity walls or internal walls in sulfate conditions not exceeding DS-2.
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Aerated concrete blocks
