• High Strength Composite Corners reinforce doors.
• Fiber Frames TM will not rot, warp, split, crack, dent or corrode.
• Roller Track System is quiet and smooth, with a stainless steel track.*
• Fin-Seal� Weather-stripping seals out wind, dust, cold and heat.
• Locksets enforce security. Double hook steel latch anti-lift keeper prevents unauthorized entry.
• *In coastal areas*Special corrosion resistant roller assembly