Product Overview
Pemko 355_S Surface-Mounted T-Shaped Astragal with Silicone (S) Insert
The 355_S is a surface-mounted, T-shaped Astragal designed for single active double doors with a Silicone (S) insert. It effectively seals the gap between the doors, preventing infiltration of smoke, sound, light, drafts, and insects. Made with a high-quality clear anodized aluminum casing, this astragal is durable and resistant to extreme environments.
When installing pairs of fire doors care must be taken to maintain the requirements of NFPA 80.
- Surface mounted
- Applied to single active door in a pair of double doors
- Creates a continuous seal
- Seals the gap between paired doors by compressing the seal
- Installation on fire doors must meet NFPA 80 requirements
- Door coordinator needed when both doors are active
- Profile Width: 1-3/8” (34.9 mm)
- Height: 1/4” (6.4 mm)
Finishes
- 355BS: B - Mill Finish Extruded Bronze (Brass) with Silicone insert
- 355CS: C - Clear Anodized Aluminum with Silicone insert
- 355BSPS: BSP - Black Suede Powder Coat with Silicone insert
- 355DS: D - Dark Bronze Anodized Aluminum with Silicone insert
- 355WSPS: WSP - White Suede Powder Coat with Silicone insert
Ratings
- Air Infiltration Tested
- Smoke Tested - UL1784
- Fire Rated - UL10C - Positive Pressure
- Underwriters Laboratory 4L10
- GREENGUARD Gold Certified
Brand |
Pemko |
---|---|
Finish |
Anodized AluminumDark BronzeMill Finish Extruded Bronze (Brass)BlackWhite |
Finishes |
D – Dark Bronze Anodized AluminumWSP White Suede Powder CoatC – Clear Anodized AluminumBSP Black Suede Powder CoatB - Mill Finish Extruded Bronze (Brass) |
Fire Rating |
Fire Rated - UL10C - Positive Pressure |
Insert/Seal Type |
Silicone |
Length |
96"84" |

Pemko 355_S T-Shaped Astragal with Silicone Insert