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Lignacite

Lignacite

Lignacite’s block manufacturing plants located in Norfolk and Essex, are responsible for producing over 100,000 blocks per day, enough blocks for building approximately 100 houses. The company works closely with many of the leading builders merchants throughout East Anglia and the City (South East) as well as supplying many major house builders and contractors. Formed in 1947 Lignacite has continually strived to develop innovative mixes and designs for their building blocks; more recently te...

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Lignacite’s block manufacturing plants located in Norfolk and Essex, are responsible for producing over 100,000 blocks per day, enough blocks for building approximately 100 houses. The company works closely with many of the leading builders merchants throughout East Anglia and the City (South East) as well as supplying many major house builders and contractors.

Formed in 1947 Lignacite has continually strived to develop innovative mixes and designs for their building blocks; more recently testing and successfully utilising many recycled materials in an effort to produce more sustainable products.

The blocks have been used in major city projects, many of these in London, and the fleet of FORS Gold accredited lorries enable the company to deliver to almost any site in the capital. An important consideration for contractors in cities. Recent examples include the development of Battersea Power Station, Chelsea Barracks and the new Google Headquarters.

The established range of ‘above and below ground’ concrete blocks have many key benefits for the build process including high fire resistance, excellent sound insulation, good thermal performance and all with varying degrees of recycled content, giving sustainable benefits to your project now and throughout the life span of the building.

What makes Lignacite blocks different
The blocks have a unique mix of sand, grounded wood particles and cement, resulting in the blocks requiring no energy to cure as the exothermic reaction of the cement in the mix produces all the natural heat required. Conventional concrete made with stone ultimately shatters under intense heat. The wood in the Lignacite block is locked up in the matrix of the block thus denying oxygen to the flames. This means that a Lignacite blocks calcifies and hardens in a fire, giving a superior fire rating and performance. The fact that wood locks up C02 due to photosynthesis has meant that more recently its environmental credentials have been even more widely recognised, thus adding benefits to projects using Lignacite blocks.

The Range
Fibo 850 is an ultra lightweight concrete block manufactured from expanded clay aggregates and a mixture of other naturally occurring raw materials and cement. The clay aggregate is produced from carefully selected clays which through heat expansion are bloated to create a low-density porous aggregate with numerous cavities.

Lignalite close textured Paint Grade blocks are a lightweight building product manufactured to the requirements of BS EN 771-3 using carefully selected lightweight aggregates. The blocks have a face size of 440mmx 215mm and are available in a block width of 190mm. Their use will assist designers and contractors in meeting the requirements of the Construction Design and Management Regulations.

AshGP is a medium dense concrete block which is robust, durable and suitable for a range of walling applications. Typical uses include the inner leaf of cavity walls when used with cavity insulation, separating or partition walls, and infill blocks in beam and block flooring systems. AshGP can be used externally where rendering or cladding is to be applied to the wall.

Lignacite a medium dense block is available in Fair-Face, Paint Grade and Standard. Fine textured, loadbearing units, suitable for facing and general-purpose applications. Lignacite SP is available in a 140mm width solid block. It consists of a specially formulated mix which reduces the block density to produce a solid block under 20kg unit weight.

Lignacrete dense blocks are suitable for a wide range of applications. They have excellent levels of sound insulation and high strength capability, making them especially suitable for use in separating and partition walls. They can also be used as infill blocks in beam and block flooring systems.


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Trade names

Lignacite, Lignacrete

Accreditations

  • BPS - BS EN
  • ISO 14001
  • ISO 9001

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