PEAK TRIO 30 | Secure 3-Way Pergola Bracket
4x4 Brackets:
- Arm Opening (Interior): 3.61” x 3.61”
- Arm Opening (Exterior): 3.75” x 3.75”
- Arm Length: 7”
- Gauge: 14-gauge Canadian Steel
- Colour: Black
- Fastening Holes: 0.25”
6x6 Brackets:
- Arm Opening (Interior): 5.62” x 5.62”
- Arm Opening (Exterior): 5.828” x 5.828”
- Arm Height: 9”
- Gauge: 12-gauge Canadian Steel
- Colour: Black
- Fastening Holes: 0.25”
- Securing Holes: 0.5”
Peaked Roof Calculator 4x4 Wood Post

Take advantage of this lumber calculator to help guide you with your peaked roof pergola build from the GRID 30 Collection. Just enter the length/span of lumber (A) to determine the length/span for lumber required for peaked roof (B). Enter the length of lumber (C) to determine the total overall height (D) of your build.
A
What is your starting length/span of lumber?
inch
(0 ft.)B
The Length/Span of lumber will be
0 inch
(0 ft.)C
What is your length/height of lumber?
inch
(0 ft.)D
Overall pergola height will be
0 inch
(0 ft.)
Step-by-Step Tutorials for Easy Setup
Get step-by-step instructions for our durable, modular pergolas. Designed for DIY enthusiasts, our guides make assembly straightforward and satisfying.