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polycarbonate profiles
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A Polygal sheet is positioned on a roof and then screwed down. A Polycarbonate base profile is placed under the attached sheet; the next sheet is placed and screwed down. Then the Polycarbonate cap profile is snapped into the base profile (a rubber mallet can be used to snap the cap into the base; temporary support may be needed below the base). One screw should be placed through the cap and base to prevent movement due to thermal expansion and contraction. Always make sure to use original Polygal screws and gaskets to prevent leakage. For outdoor structures, it is recommended to use 38”-58” thick sheets. For optimal performance in all applications, it is not recommended to use sheets of less than 516” thickness. Using the correct sheet thickness will prevent damage and ensure a long service life.
