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Pro+ 13×19 Motorized Freestanding Pergola (Post-to-Post Measurement – Double Bay with Center Posts)

This article provides the official post-to-post, baseplate, and height measurements for the Pro+ 13×19 (4×6 m) Motorized Freestanding Pergola.

Updated this week

📐 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

  1. Mark outer post corners using 3945 mm × 5688 mm dimensions.

  2. Check both diagonals for equal length to ensure squareness.

  3. Recommended footing: 400 × 400 mm (16 × 16 in) × 400 mm deep (16 in).

  4. Leave 30 mm (1.2 in) tolerance around anchor points for adjustment.

  5. Level the center posts first, then connect both roof frames.

  6. Test motor operation before final tightening or sealant application.

  7. 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)

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