Lignalite Concrete Blocks

Lignalite Concrete Blocks

Lignacite Ltd Third party certifications:
  • BSI Kitemark

    BSI Kitemark

    Certificate type

Close textured, lightweight paint grade concrete blocks.

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Application

Suitable for constructing internal walls in commercial projects where a low weight of blockwork is required.

Can be used to the following building types:

  • Offices;
  • Warehouses;
  • Data Centres;
  • Sports halls and facilities;
  • Factory units.


The blocks can accommodate drylining, dense plaster and finishing coats. Consult manufacturer for further finish recommendations.

Description

Close textured, lightweight paint grade concrete blocks, developed for use in commercial buildings. The blocks are medium grey to buff in colour. Available in 190 mm width, solid form only.


Features and benefits:

  • Suitable for use in aesthetic applications where the blockwork is required to be directly painted.
  • Conforms to the 20 kg single lift guidance of the Construction (Design and Management) Regulations, and manual handling guidelines.
  • Can be used in loadbearing and non-loadbearing walls.
  • Allows large panels to be designed, reducing the need for wind posts or other structural framing.
  • Lightweight.
  • High technical performance.
  • For use internally, above and below ground.
  • Credits available under BREEAM and Code for Sustainable Homes.
  • CE marked to BS EN 771-3.


The mortar type for work above ground level should be designation (iii) / Compressive Class M4. Stronger mixes may be used only with the permission of the designer. Stronger mixes may also be required for work below ground in accordance with PD 6697. Consult manufacturer for details.


Movement joints should be considered in accordance with PD 6697 at approximately 6 m spacings. In areas of concentrated stress, such as those above and below openings, consideration should be given to the use of bed joint masonry reinforcement.


The design of walls should be in accordance with relevant design standards including BS 8103:2, BS EN 1996-1-1 and the requirements of the Building Regulations.

General information

Color

Grey

Finish

Textured

Close textured, paint grade.

Material

Concrete

Shape

Rectangular

Size

440 x 190 x 215 mm

Uniclass 2015

Pr_20_93_52_01 Aggregate concrete blocksPrimary

CAWS

E60/297 Proprietary infill blocks

F10/18 Concrete facing blockwork

F10/355 Concrete common blockwork

Specification data - Aggregate concrete blocks Enhanced data

Standard

To BS EN 771-3.

Block description

Loadbearing units for internal walls.

Appearance

Medium grey to buff in colour with a close texture.

Configuration

Group 1.

Compressive strength

-

Mean value

3.6 N/mm².

7.3 N/mm.

Category

M4.

Thermal conductivity

0.37 W/m·K at 3% moisture content.

Thermal resistance

0.51 m²K/W.

Work sizes (length x width x height)

440 x 190 x 215 mm.

Tolerance category

D1.

Density

-

Net dry density

1030 kg/m³.

Reaction to fire

Class A1.

Water vapour permeability

5/15 µ.

Product Reference

Lignalite Concrete Blocks.

Moisture movement

<0.9 mm/m.

SpecificHeatCapacity

1000 J/kg/K.

Sound reduction index

No finish: 45 dB Rw; painted: 51 dB Rw.

Fire resistance

Four hours (loadbearing and non-loadbearing).

Air tightness

Painted (one face): 9.1 m³/hr/m²; painted (two faces): 4 m³/hr/m².

Unit weight

19.1 kg.

Literature

Lignalite Concrete Block

Lignalite Concrete Block

Third party certifications

BSI Kitemark

BSI Kitemark

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