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Frequenty asked questions (FAQ) for 3D panel (tridi panel)
 Post date:       Click:16-04-05

                                                

                              

 

1.What is the fire rating of 3D panel (tridi panel) ? 
3D panel (tridi panel) has the following fire-resistance ratings, (Ratings are valid for fire exposure from either side) Fire-rating is derived from the wire mesh gauge in combination with concrete thickness. See chart below. The insulation core Type I polystyrene foam demonstrated a flame-spread index of 25 or less and a smoke developed rating of 450 or less when tested in accordance with ASTM -E84.
The modified polystyrene core does not contain ozone-damaging chlorofluorocarbons (CFC's) in the manufacturing process or products.
2.5" EXP-Core with 1.50" Shotcrete each side = 1.5 Hours
2.5" EXP-Core with 2.00" Shotcrete each side = 2.0 Hours
2.5" EXP-Core with 3.1/8" Shotcrete each side = 4.0 Hours
The fire rating increases with greater quantities of cement applied to each side. Polystyrene core will not burn.

2.How is the 3D panel (tridi panel) secured into the slab? 
The rebar is embedded within the concrete slab. The panel is placed over the rebar, through the open space between the polystyrene core and the wire mesh. Once set, the rebar is fastened directly to the wire mesh by hand with tie wire. It is critical the rebar be installed in a straight line so the rebar fits easily into the cavity between the polystyrene and the wire mesh. It is important to make sure the rebar is completely exposed so it becomes monolithically enclosed with the shotcrete or cement application. Should the building department or engineer require additional tie downs, the polystyrene core can be removed from the base of the panel. The panel is then set in place over the required tie-down and cemented in place. Another option for placing the rebar in the concrete slab is to drill the concrete slab and pour epoxy in the cavity placing the rebar within its confines.

3.How is a bond beam made with 3D panel (tridi panel) ? 
A bond beam is used to create large openings, or to strengthen large areas of ceiling or to help support roof structures. All bond beams created should be pre approved by a certified engineering firm. Removing the polystyrene core and installing rebar creates the bond beam. The best method for removing the polystyrene core is a high-pressure water blaster, it takes only a matter of minutes.

4.How is the electrical and plumbing installed? 
The installation of electrical or plumbing is achieved by removing the polystyrene core to create a cavity that electrical conduit or plumbing piping may be installed into. The polystyrene is approximately ¾" off the wire mesh so that you have a space to install these products. If this opening needs to greater the polystyrene core can be removed with a small keyhole saw or butane torch. The polystyrene will not burn it will shrink or melt leaving a cavity. The electrical or plumbing is then installed into the cavity. For further information please see instruction manual.

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Tel:+86-311-85192288 Fax: +86-311-83327968 E-mail: epsmachinery@xuelongqiye.com sales@xuelongqiye.com
Address: Tianjiazhuang Development Zone, Shijiazhuang City, Hebei Province, China
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