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, comes pre-drilled.
- 2" wide x 3/16" thick x 24'L.
Please Note: Roof Mullion, Cap, & Gasket sold separately.