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| Introduction | Description | Sizes | Manufacturing Tolerances | Performance | Specific Properties | Application | Health & Safety

 

Introduction 

 

WeatherPro® is an autoclaved, moderately compressed fibre cement reinforced calcium silicate board (alias named as compressed fibre cement board in North America) that is 100% free from asbestos, sepiolite, inorganic fibres and formaldehyde. It is developed to withstand external weather conditions as well as hard wearing impact and abrasion, making it long lasting with minimum maintenance costs. WeatherPro® is an ideal, economical solution for use as an external cladding system or lining application in common areas where high impact resistance is required, particularly in potentially damp and very humid situations, such as restaurant kitchens and leisure amenities. It is highly compatible with architectural coating systems for external weatherproof applications. WeatherPro® can be left unpainted. Its special performance of exemplary strength and durability prevents water or moisture penetration. WeatherPro® is a reliable substrate to receive heavy decorative finishes, such as marble or stone tiles. The board is manufactured to ISO 9001 quality management system and ISO14001 environmental management system, and has obtained the Green Product Label Award issued by National Environment Protection Bureau.

 

 

Description 

 

WeatherPlank is made of WeatherPro®-L fibre cement reinforced calcium silicate board, which is produced from a mixture of cement, silica, special cellulose fibres and selected fillers to impart durability, toughness and moisture resistance. It is then cured by an autoclaving process whereby the ingredients are reacted together under the effects of super-heated steam and high pressure. The synthetic cement silicate binder provides exceptional dimensional stability and an unrivalled resistance to movement due to effects of moisture or heat. WeatherPlank will not rot or support fungal growth and is unaffected by sunlight or steam. It does not contain any soluble ingredients or free alkali which could be dissolved by moisture or condensation causing unsightly marks. If exposed to moisture, WeatherPlank will completely recover on drying out naturally, with no permanent loss of strength. It will not degrade with time and within normal applications, the life of the product is limited only by the durability of the supporting structure and materials used in fastening.

 

 

Sizes 


Thicknesses

6 / 9 / 12 / ~ 20mm

Widths

900 / 1200 / 1220mm

Lengths 1800 / 2400 / 2440 / 3000 / 3050mm

 

 

Manufacturing  Tolerances 

 

Length tolerance +/- 5mm
Width tolerance +/- 5mm
Thickness tolerance +/- 0.3mm
Diagonal tolerance +/- 5mm


 

Performance 

 


Density

1420 kg/m3 +/-6%

Weight (approx.)

 

9.40 kg/m2 – 6mm
14.10 kg/m2 – 9mm
18.80 kg/m2 – 12mm

Surface alkalinity

pH 7-10

Flexural strength (along grain)

14.0 MPa

Flexural strength (across grain)

17.5 MPa

Moisture movement (ambient to saturated)

0.6 mm/m

Moisture content

Ex works- 10~15%
In situ- 5~6%

Thermal conductivity

0.23 W/mK

Resistance to continuous heating

80°C

Non-combustibility

AS 1530.1
BS 476: Part 4: 1970
BS EN ISO 1182: 2002
GB 8624: Grade A

Heat of combustion

BS EN ISO 1716: 2002

Building regulations classification

Euro Class A1

Non-permeability

No leakage after 6 hours of continuous
water spray at 0.5litre/minute under
250pa pressure

Freezing and thawing test

No alteration nor de-lamination after 25
cycles of freezing / thawing

Acoustic insulation

Rw 48dB / STC 48 for 88mm thick partition
Rw 49dB / STC 49 for 99mm thick partition

 

 

Specific  Properties 

       
Weatherproof Frost resistance (passed freeze / thaw test)
Good mechanical resistance and rigidity Lightweight but strong
Non-combustible
BS476: Part4,
BS EN ISO 1182,
Euro Class - A1
Rot proof, anti-bacterial, resistance to insects and mould growth
Excellent dimensional stability Good chemical reistance
Decorative finishes by tiles. paint or wall paper Maintenance friendly
Easy to use Acoustic insulation
Good impact resistance    
 

 

Application 

 

WeatherPro® can be used in a wide variety of building applications because of its easy working, fixing and decorating characteristics. Imagination is the limit. Typical applications include:

  • Internal and external living architectural cladding panels for commercial
  • or residential buildings
  • Durable, impact resistant and acoustic insulation partitions in common areas
  • Anti-bacterial, impact and moisture resistant lining board for food process
  • centres, hospitals and cold stores
  • Roofing slates
  • Exposed roofing panels of walkway and kiosk
  • Backing boards for heavy marble & granite tiles
  • Pre-fabricated units with tiled wall
  • Floor tiles and raised floor boards
  • Decking applications, i.e. balconies, verandahs and pool surrounds
  • Exposed casings to building services

 

Health & Safety 

 

WeatherPro® is formulated without asbestos or sepiolite or any inorganic fibres. When using power saws or sanders in a confined space, dust extraction equipment is recommended to control dust levels. WeatherPro® is designed for non-load bearing construction. Horizontal boards or ceiling panels must not be walked on as they are not designed to take additional loads between supports; if there is a risk of this occurring, warning notices should be displayed. Fixers must ensure that they work from adequate and safe platforms where necessary.

Note: All physical performance values of products depicted in this catalogue are averages based on the standard production. The figures may be changed dependent on the test method used.

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