Overview

Pergola post base brackets are used to secure vertical posts to a secure base (i.e. cement slab, concrete footing, deck, landscape topper, etc.). Regardless of whether you're building a freestanding pergola or an attached pergola, you'll need several base brackets.

Type of Pergola Size of Pergola Base Brackets Needed Freestanding 1 block (up to 12' x 12') 4 2 blocks in 2x1 grid (up to 24' x 12') 6 3 blocks in 3x1 grid (up to 36' x 12') 8 4 blocks in 2x2 grid (up to 24' x 24') 9 Wall-mounted (attached to house) 1 block (up to 12' x 12') 2 2 blocks in 2x1 grid (up to 24' attached x 12') 3 2 blocks in 1x2 grid (up to 12' attached x 24') 4 3 blocks in 3x1 grid (up to 36' attached x 12') 4 4 blocks in 2x2 grid (up to 24' x 24') 6

Key Features

• Made with premium 14-gauge steel (~2.0mm thick)
• Made for dressed lumber commonly called 4x4s (actual dimensions are 3.5” x 3.5”)
• Laser-cut, bent and welded
• Advanced weather coating technology to withstand extreme weather conditions
• Pre-drilled holes for securing wood and accessories to bracket
• Includes stainless steel screws (1.5-inch #10 self-tapping wood screws with pan/round head painted black) for securing wood into bracket
• Reduces your pergola build time by as much as 75%
• Backed by a 5-year warranty
• Shipped directly to your doorstep from Boise, Idaho

Specifications

• Channel (arm) width: 3.75 inches (95 mm)
• Channel (arm) depth: 3.75 inches (95 mm)
• Channel (arm) height: 3.75 inches (95 mm)
• Flange (lip) width: 1 inch (25mm) all the way around
• Number of arms: 1
• Inner dimensions of arm: 3.6 x 3.6 inches (92 x 92 mm) - made for 4x4 wood posts (which measure 3.5 x 3.5 inches)
• Holes on arm: 4 (2 holes on 2 sides - additional holes can be drilled) - 0.25-inch holes ideal for #10 size screws (included)
• Holes on bottom plate: 4 (1 hole in each corner) - 0.5-inch holes for larger anchoring hardware ( not included)
• Weight: 1.375 pounds
• Not included: wood post, anchoring hardware for securing bracket to ground/base