Pemko 257A Barrier-Free Ramp Thresholds have a 6" width, and a 1/2" height. Pemko257ABarrier-Free Ramp Thresholdscome in 36", 48", 72", and 96" lengths and come in Mill Finish Aluminum.
Pemko257AFeatures
Only ADA compliant when used in conjunction with 259_
Use 257_ and 259_ together, or use 257_ with an abutted 1:12 concrete slope.
Supplied predrilled, with #10-24 Phillips, flat head machine screws of appropriate length
When used as a cover plate assembly (see Commercial Thresholds section), a longer spindle may be required.
Used in an offset condition
Pemko257ASpecifications
Available Finishes:
A - Mill Finish Aluminum D - Dark Bronze Anodized Aluminum
Width:
6" (152.4 mm)
Height:
1/2" (12.7 mm)
Manufacturer:
Pemko
Pemko257ACertifications
BHMA:
BHMA Certified
UL:
Underwriters Laboratory 4L10 Fire Rated - UL10C - Positive Pressure
