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MULTI WALLED POLYCARBONATE SHEETS INSTALLATION

Subsurface preparation of multi-walled polycarbonate sheets

زیرسازی ورق های پلی کربنات چند جداره

Subsurface preparation of multi-walled polycarbonate sheets: in general, multi-walled polycarbonate sheets are installed by the two following standard methods. Frame dimensions for these two cases depend on the load exerted and sheet thickness. See the polycarbonate sheet load-bearing capacity data table to calculate appropriate frame dimensions.

  • The sheet is fixed on four sides by profiles. 
  • The sheet is fixed on two sides (longitudinal direction) by profiles, and a metal profile (support) is placed under the sheet at every 1–1.5 m.

Multi-walled sheets load-bearing capacity data table

جدول تحمل بار ورق های چند جداره

The load-bearing capacity of multi-walled sheets has been calculated for double-walled sheets placed in a frame 2-3 cm from each side. The corresponding value for triple-walled and triangular triple-walled sheets is 4 and 5 cm, respectively.
It should be noted that the load-bearing capacity of polycarbonate sheets increases with density.

Cutting multi-walled sheets

برش ورق های چند جداره

Multi-walled sheets can be easily cut by standard saws, and filings should be removed by compressed air. Note that the sheet must be secured against vibration, and the cutting path should be tightly fixed. A sharp cutter can be used to cut sheets with thicknesses of less than 8 mm.

Drilling multi-walled sheets

سوراخ کاری ورق های چندجداره

since polycarbonate has a much higher coefficient of thermal expansion than metals and glass, the hole diameter should be 3 mm larger than the screw (Fig. 1).
The holes should be drilled with a minimum 40 mm clearance from the edges (Fig. 2). The screw should not be installed on the sheet directly. For this type of connection (fitting), a fish-bellied sheet and rubber tape should be used for pressure distribution on the sheet (Fig. 3).

Installation in profile

نصب در پروفیل

multi-walled polycarbonate sheets can be connected by standard profiles or placed in standard frames. Sufficient spacing must be considered for the thermal expansion of sheets. Up to 5 cm of the protecting cover should be removed initially and then completely after installation to avoid scratches on the sheet.
Note that multi-walled sheets should always be designed and installed with a minimum slope of 50° along the length of the roof to prevent the accumulation of rainwater on the sheet.

Sealing

آب بندی
آب بندی

U profiles and sealing tapes are used along with the installation profiles for sealing multi-walled sheets.
The open end of channels should be sealed by tape as follows:
The upper and lower parts of the sheet should be closed by impermeable and perforated sealing tapes, respectively. The sealing tapes should then be covered by U profiles. The U profiles at the lower part of the sheet should facilitate rainwater drainage.

Cold bending

خم سرد

 these sheets can be bent only lengthwise. The minimum bending radius of sheets should be taken into account when bending. The minimum bending radius of multi-walled polycarbonate sheets is given in the following table.

خم سرد
خم سرد

JLIANJ

Polycarbonate sheet producer

JLIANJ is the largest producer of polycarbonate sheets in Iran.

Address: #5, 3rd Floor, Mellat Tower, Valiasr St., Tehran, Iran

Tel: +982174616
+982122658190-2

Factory Tel: +9807733450301


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