📐 Structure Overview
Total size: 13 ft (W) × 19 ft (L) ≈ 4 m × 6 m
Double-bay configuration: two roof sections connected front-to-back
Six posts total – four corner posts + two centered between bays
All dimensions shown are in millimeters (mm), inches (in), and feet (ft)
📏 Post-to-Post Measurements – 13 ft (4 m) Side (Width)
Measurement Type | Description | mm | in | ft |
Outer to Outer Post | Full span between outer post edges | 3945 mm | 155.31 in | 12.94 ft |
Outer to Inner Post | Outer edge → inner edge of opposite post | 3825 mm | 150.59 in | 12.55 ft |
Inner to Inner Post | Clear space between inner post faces | 3705 mm | 145.87 in | 12.16 ft |
💡 Tip: Use 3945 mm (12.94 ft) when marking post corners to keep the frame square.
⚙️ Baseplate-to-Baseplate Measurements – 13 ft (4 m) Side (Width)
Measurement Type | Description | mm | in | ft |
Inner to Inner Baseplate | Between inner baseplate edges | 3645 mm | 143.50 in | 11.96 ft |
Outer to Inner Baseplate | Outer → inner edge | 3825 mm | 150.59 in | 12.55 ft |
Outer to Outer Baseplate | Full baseplate span | 4005 mm | 157.68 in | 13.14 ft |
💡 Tip: Use 4005 mm (13.14 ft) as your outer anchor-to-anchor reference.
📏 Post-to-Post Measurements – 19 ft (6 m) Side (Length)
Measurement Type | Description | mm | in | ft |
Outer to Outer Post | Full length across both bays | 5688 mm | 223.98 in | 18.66 ft |
Outer to Inner Post | Outer edge → center post edge | 2784 mm | 109.61 in | 9.14 ft |
Inner to Inner Post | Center post → inner edge of far post | 2664 mm | 104.88 in | 8.74 ft |
💡 Tip: Center posts divide the 19 ft side into two equal 9 ft 6 in (≈ 2.9 m) bays.
⚙️ Baseplate-to-Baseplate Measurements – 19 ft (6 m) Side (Length)
Measurement Type | Description | mm | in | ft |
Inner to Inner Baseplate | Between inner baseplate edges | 2604 mm | 102.56 in | 8.55 ft |
Outer to Inner Baseplate | Outer → center baseplate edge | 2784 mm | 109.61 in | 9.14 ft |
Outer to Outer Baseplate | Total baseplate span | 2964 mm | 116.69 in | 9.72 ft |
💡 Tip: Baseplate spacing repeats identically for both bays (front and back).
📐 Post Height Measurements
Measurement Type | Description | mm | in | ft |
Post Edge (ground) → Beam | Ground to underside of beam | 2330 mm | 91.73 in | 7.64 ft |
Outer to Outer Post Height | Ground to top of beam | 2503 mm | 98.54 in | 8.21 ft |
Post Edge (ground) → Open Louvers Top | Max height with louvers open | 2560 mm | 100.79 in | 8.40 ft |
💡 Tip: Leave at least 100 mm (≈ 4 in) clearance above open louvers for smooth motorized operation.
⚡ Motor and Power Clearance
Allow 50 mm (≈ 2 in) on the motorized beam side for housing and wiring.
The control box should be within 1.5 m (≈ 5 ft) of a weather-protected outlet.
Confirm cable routing before mounting roof panels.
🧩 Installation Planning Tips
Mark outer post corners using 3945 mm × 5688 mm dimensions.
Check both diagonals for equal length to ensure squareness.
Recommended footing: 400 × 400 mm (16 × 16 in) × 400 mm deep (16 in).
Leave 30 mm (1.2 in) tolerance around anchor points for adjustment.
Level the center posts first, then connect both roof frames.
Test motor operation before final tightening or sealant application.
Confirm roof drainage direction before securing downspouts.
📐 13x19 Pro+ Motorized Freestanding Pergola — Post-to-Post Measurements
Need the exact post spacing for your 13x19 Pro+ Motorized Freestanding Pergola?
View 13x19 Motorized Freestanding Post-to-Post Measurement Guide (PDF)