Products FIBER CEMENT SHERA board

Products SHERA board 

SHERA board – a fibre cement board with high impact strength and moisture and fire resistant properties.SHERA board is the perfect choice for building board applications such as wall cladding, wall partitioning and decorative walling. The types of buildings that are suitable for SHERA board applications are residential, commercial and industrial buildings as well as schools and hospitals; especially where speedy construction, cleanliness and hygiene is of high importance.

 SHERA boards - high quality fibre cement building boards

SHERA Board Brochure

SHERA Board Technical Information

Standards

Benefits of SHERA Fibre Cement Board:

High quality fiber cement building boards from SHERA

SHERA fibre cement boards

- Weather resistant

- Immune to water damage

- Fire resistant

- Provides sound insulation

- Shatter resistant

- Low shrinkage

- Flexible

- High degree of workability

- Termite resistant

Matching the Demands of Modern Applications

SHERA Board is a non-asbestos fibre-cement product composed of Portland cement, cellulose fibre and refined sand.Using a special manufacturing process called autoclave, SHERA board acquires the strength, durability of cement and easy workability of wood as well as dimensional stability.A non-combustible multi-purpose application fibre-cement flat board, SHERA Board comes with various thicknesses which are suitable for various applications; ceiling, wall, and floor.

It can be used for both exterior and interior applications. SHERA Boards can perfectly be calibrated and then laminated or coated with other materials, such as eg. wood veneer.

Standard References

 Standard  Category  Title

 ATSM  C1185, C1186-99 FlatNon-Asbestos Fibre-Cement sheets

 ATSM  E90 – 97 Sound Transmission Lost of Building Partition

ISO   8336: 1993 Fibre-Cement Flat sheets

 AS/NZS  2908.2: 2000 Cellulose Cement Product Part2: Flat sheets

JIS   A5430 – 1995 Fibre Reinforced Cement Boards

 TIS  1427 – 2540 Fibre-Cement Flat sheets

 EC Conformity  12476:2004  Fibre-Cement Flat sheets

Building Material Class

SHERABoards are 'non-combustible' and correspond to materials in building material class A2-s1, d0 (s1 = no smoke, d0 = no combustible drips), in accordance with EN13501-1.

Applications

 Size (mm) Thickness (mm)   Weight (KG) Edge Profile  Application 

 1200 x 2400

1220 x 2440  4  18.00

18.61  Square-cut edge  Internal cladding

 1200 x 2400

1220 x 2440  6  27.00

27.91

 Square-cut edge/

Recessed edge  Internal/external ceiling

1200 x 2400

1220 x 2440  8  36.00

37.21  Square-cut edge/

Recessed edge  Internal partition

External wall cladding

Wet area and tile backing

Floor underlay

 1200 x 2400

1220 x 2440  9,10  40.50

41.86

45.00

46.51  Square-cut edge External wall cladding

Wet area and tile backing

Floor underlay

 1200 x 2400

1220 x 2440  12  54.00

55.82  Square-cut edge/

Recessed edge External wall cladding

Wet area and tile backing

Floor underlay

 1200 x 2400

1220 x 2440  15  66.27

68.50  Square-cut edge Internal partitions with special requirements

Elevated Floor

 1200 x 2400

1220 x 2440  18  79.52

82.20  Square-cut edge Internal partitions with special requirements

Elevated Floor

 1200 x 2400

1220 x 2440  20  88.36

91.33 Square-cut edge Internal partitions with special requirements

Elevated Floor

Installation

Tools:

No special tools are required. The products can be used with normal nails, fastened by normal or self-drilling screws and cut by an electric power saw with a diamond blade.

Fixing:

SHERA Board can be fixed to both timber (minimum size 1.5 x 3 inches) or steel frames (at least 0.55 mm thickness). The board must be supported at the edge at intermediate positions with centers not exceeding 600 mm. Screws must be located more than 12 mm from edges and 50 mm from board corners.

Fastener:

Fasteners can be both nails and screws. It can be nailed directly to timber supports with round wire nails. For metal screws, the size and length of the screw depends on the thickness of the board and the gauge of framing. Pre-drilling the board is a must unless self-embedding, self-drilling head screws such as SHERA Fix-W32 (for fixing 8 – 12 mm board to steel frame), SHERA Fix-B20 (for fixing 4 – 6 mm board to galvanized steel frame) and SHERA Fix –W45G8 (for fixing 15 – 20 mm board to steel frame) are used.

Jointing: 

Since fibre-cement board is subject to slight dimensional changes, a butt joint can be used in dry partitioning areas or where an exposed joint appearance is acceptable. For better water protection, either flexible acrylic or polyurethane based sealant can be used to seal gaps of 3-5mm.
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