Dear Sir Madam, Type:aluminium formwork system Material:Aluminum alloy 6061-T6 Weight:Average 25-28KG SQM Thickness:4mm Size:100mm to 600mm in width Length:100-2600mm Application:Building construction Certificate:ISO 9001:2008 BCA Band-2 Bizsafe Product name:Factory direct sale metal slab decking formwork for building house