Pemko 303_S (PG) Standard Perimeter Gasketing Weatherstrip w/ Silicone Insert

Usually Ships: 2-3 Days
  • Use on door frames to seal top and sides of door
  • Seals against smoke, fire, air, and weather
  • #6 x 5/8″ Pan head sheet metal screws furnished

Available Options:

  • Aluminum
  • Dark Bronze
  • Satin Nickel

Pemko 303_S (PG) screw-on perimeter gasketing with silicone insert

Designed to be applied to the “stop” perimeter of the door frame. Includes a silicone seal with aluminum framing. The silicone seal compresses against the door, to create a tight weatherproof seal.

Category J gaskets for use with listed steel frames and/or classified steel covered composite, hollow metal doors rated up to and including 3 hours; wood and plastic covered composite doors rated up to and including 1-1/2 hours; and wood core doors rated for 20 minutes.

Rigid jamb weatherstrip is shown mounted on openings with 1/16″ gaps; however, each weatherstrip can seal gaps up to the depth of its seal.

  • This perimeter gasketing is supplied with a Silicone (“S”) insert
  • Stainless steel fasteners are standard
  • Available Sizes: 36″ x 84″ Set, 72″ x 84″ Set
  • Full-Length; Field-Cut to Size


  • 303AS: A – Mill Finish Aluminum Aluminum with Black Silicone insert
  • 303DS: D – Dark Bronze Anodized Aluminum with Black Silicone insert
  • 303SNS: SN – Satin Nickel Anodized Aluminum with Black Silicone insert


  •  Air Infiltration Tested
  •  BHMA Certified
  •  Smoke Tested – UL1784
  •  Fire Rated – UL10C – Positive Pressure
  •  Underwriters Laboratory 4L10
  •  GREENGUARD Gold Certified



A – Mill Finish Aluminum, D – Dark Bronze Anodized Aluminum, SN – Satin Nickel Anodized Aluminum


36" x 84", 72" x 84"

Fire Rating

Fire Rated – UL10C – Positive Pressure

Gasket Type


Insert/Seal Type