The modular ramp thresholds are an improvement over the 257/259 however, 257/259 will remain for special requirements.
PemKote is highly recommended for all threshold assemblies, especially exterior conditions where moisture may be present. PemKote can be applied to any finish.
Barrier-Free
Ratings
Barrier-Free
BHMA Certified
Finishes
259A: A - Mill Finish Aluminum Anodized Aluminum
259B: B - Mill Finish Brass Extruded Bronze (Brass)