Product Overview
Pemko 252 x 3_FG Thermal Barrier Threshold with Frost Guard (5-1/8")
Thermal barrier thresholds are designed to eliminate the transfer of hot and cold temperatures from one side of the threshold to the other.
Finishes
- 252X3AFG: A - Mill Finish Aluminum Aluminum
- 252X3BSPFG: BSP - Black Suede Powder Coat Aluminum
- 252X3DFG: D - Dark Bronze Anodized Aluminum
Ratings
- UL Classified
- Barrier-Free
- BHMA Certified
- Fire Rated - UL10C - Positive Pressure
- GREENGUARD Gold Certified
Warranty Info
Guaranteed for five (5) years against defects in material or workmanship, except: Powder Coated finishes are warranted for two (2) years; normal wear is not included in coverage.

| Brand | |
|---|---|
| Finishes |
BSP - Black Suede Powder Coat, A - Mill Finish Aluminum, D - Dark Bronze Anodized Aluminum |
| Length |
36", 48", 72", 96" |
| Width |
5-1/8" |
| Height |
1/2" |
| ADA Compliance |
Meets ADA requirements - A117.1 Accessibility Code |
| Fire-Rating |
Up to 3 Hours with metal doors; 90 minutes with wood doors |
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