Rail Size Chart

| Door Opening Size (Width) | Recommended Rail Size (Length) | 
| 24 In. | 4.5 Ft. | 
| 28 In. | 5.5 Ft. | 
| 30 In. | 5.5 Ft. | 
| 32 In. | 6 Ft. | 
| 36 In. | 6.6 Ft. | 
| 38 In. | 7 Ft. | 
| 40 In. | 7.5 Ft. | 
| 42 In. | 8 Ft. | 
| For all other Door Opening Sizes, use this formula to find the Recommended Minimum Rail Length (Single Rails Only) | (Door Opening * 2) + 6" (Round up to the nearest half-foot) | 
| For Bypass Systems, use this formula to find the Recommended Minimum Rail Length | (Door Opening + 6") | 
 
      
     
          
        
      