Growers Supply

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Premium Two-Piece Gasket Roofing System

Create a tight seal for your polycarbonate greenhouse roof with our Premium Two-Piece Gasket Roofing System.

  • Ideal for use with our 8 mm polycarbonate.
  • Durable Roof Mullion Gasket and Cap Gasket Systems are manufactured from 6063-T6 grade aluminum for durability.
  • Systems must be supported by framework.