• Build your own Dock with a BARR Dock Kit, Includes all the hardware and floatation you need to build a durable, long lasting commercial or residential dock!

DIY Wooden Frame Dock Building Kit

Complete Guide to BARR Plastics' DIY Wooden Dock Kit & Assembly Instructions 

Thinking about building your own floating dock? BARR Plastics' DIY Wooden Dock Building Kit is designed for simplicity, durability, and flexibility—ideal for a wide range of waterfront applications. Whether you're a property owner, contractor, or marina manager, these kits offer a cost-effective, reliable solution.

Each kit includes hot-dipped galvanized steel frame hardware, fasteners, floatation billets, and a clear set of assembly instructions to help you build the perfect dock for your needs.

What’s on the Page?

This page is your hub for:

  • Viewing available dock kit sizes, float sizes, and buoyancies
  • Understanding what’s included (and what’s not)
  • Exploring component photos
  • Accessing the downloadable assembly manual
  • Requesting a quote or making a purchase
  • Learning about compatible accessories like cleats, ladders, rub rails, and extra floats

By the end, you'll know exactly how to use the product page and instruction manual—and how BARR Plastics can support you at every step.

Complete Guide to BARR Plastics' DIY Wooden Dock Kit & Assembly Instructions  Thinking about building your own floating dock? BARR Plastics' DIY Wooden Dock Building Kit is designed for simplicity,...
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Complete Guide to BARR Plastics' DIY Wooden Dock Kit & Assembly Instructions 

Thinking about building your own floating dock? BARR Plastics' DIY Wooden Dock Building Kit is designed for simplicity, durability, and flexibility—ideal for a wide range of waterfront applications. Whether you're a property owner, contractor, or marina manager, these kits offer a cost-effective, reliable solution.

Each kit includes hot-dipped galvanized steel frame hardware, fasteners, floatation billets, and a clear set of assembly instructions to help you build the perfect dock for your needs.

What’s on the Page?

This page is your hub for:

  • Viewing available dock kit sizes, float sizes, and buoyancies
  • Understanding what’s included (and what’s not)
  • Exploring component photos
  • Accessing the downloadable assembly manual
  • Requesting a quote or making a purchase
  • Learning about compatible accessories like cleats, ladders, rub rails, and extra floats

By the end, you'll know exactly how to use the product page and instruction manual—and how BARR Plastics can support you at every step.
Literature
Assembly Instructions

Lumber is not included, so look to source your lumber locally. Add decking and accessories, sold separately from BARR, and you re good to go!

Lumber Guideline Cut List

This guide is here to help you understand exactly how to use the product page and instruction document, identify whether this solution is the right fit for your needs, and show you what you'll gain by choosing BARR Plastics. By the end, you’ll have a clear understanding of how to move forward—and how BARR Plastics can support you every step of the way.

What Is the DIY Wooden Dock Building Kit?

The DIY Wooden Dock Building Kit is a hardware-based system designed for easy, efficient dock construction. It’s built for long-term durability in waterfront environments.

What’s included:

  • Hot-dip galvanized steel brackets (inside and outside corner ends, angle brackets)
  • Carriage bolts, nuts, washers, lag screws, and washers
  • Commercial-grade, 1-piece roto-molded, foam-filled floatation billets
  • Assembly instructions and a lumber shopping guide

You supply the lumber and decking, allowing you to customize your dock with locally sourced materials that fit your style and budget.

What’s in the Assembly Document?

The included Dock Building Components: DIY Dock Kit Assembly Instructions manual walks you through every step with:

  • A detailed build sequence
  • Visual guides for float placement and bracket installation
  • Safety tips, like positioning bolts to avoid underwater hazards
  • Instructions for squaring frames using basic tools
  • Tips on spacing stringers and cross-members
  • Final steps for decking installation and float attachment

With this guide, you’ll know exactly what to cut, bolt, and assemble for a strong, secure dock.

Click on Part # to view drawing

Part # / Model Size Description
Standard Dock Kits
420W-4848-12-24OC 4' x 20' Floats & Hardware for 4' x 20' Dock, 24" OC
520W-4860-12-24OC 5' x 20' Floats & Hardware for 5' x 20' Dock, 24" OC
620W-4872-12-24OC 6' x 20' Floats & Hardware for 6' x 20' Dock, 24" OC
820W-4896-12-24OC 8' x 20' Floats & Hardware for 8' x 20' Dock, 24" OC
1020W-4860-12-24OC 10' x 20' Floats & Hardware for 10' x 20' Dock, 24" OC
Dock Kits for BARR Dock-n-Walk Decking
320W-3648-12-18OC 3' x 20' Floats & Hardware for 3' x 20' Dock for use with BARR Decking, 18" OC
420W-4848-12-16OC 4' x 20' Floats & Hardware for 4' x 20' Dock for use with BARR Decking, 16" OC
520W-4860-12-15OC 5' x 20' Floats & Hardware for 5' x 20' Dock for use with BARR Decking, 15" OC
620W-4872-12-18OC 6' x 20' Floats & Hardware for 6' x 20' Dock for use with BARR Decking, 18" OC
820W-4896-12-16OC 8' x 20' Floats & Hardware for 8' x 20' Dock for use with BARR Decking, 16" OC
1020W-4860-12-15OC 10' x 20' Floats & Hardware for 10' x 20' Dock for use with BARR Decking, 15" OC

Who Is This For?

This dock kit and the support materials are best suited for the following types of users:

  1. Lakefront or Waterfront Property Owners
    Build a professional-quality dock yourself and save on construction costs.
  2. Cottage and Cabin Owners
    Perfect for seasonal use with modular, bolt-together assembly for easy install and removal.
  3. Contractors and Handymen
    Deliver consistent, durable docks to clients with a streamlined build process.
  4. Campgrounds, Marinas, and Resorts
    Simplify multiple dock builds with repeatable quality and easy maintenance
  5. DIY Enthusiasts
    Tackle a rewarding, hands-on project with professional-grade results.

What’s Not Included—And Why That’s a Good Thing

Lumber and decking are not included.
This gives you the flexibility to:

  • Choose wood or composite materials suited to your budget and climate

  • Support local suppliers and save on shipping

  • Personalize your dock’s look and feel

The downloadable guide provides a detailed lumber list so you’ll know exactly what to buy.

Additional Layout Options

In addition to standard linear dock layouts, our DIY Wooden Dock Building Kit supports the following configurations:

  • L-Shape
    Allows a right-angle extension. Ideal for reaching deeper water or creating sheltered zones.
  • Tee Shape with Ramp
    Central floating leg with two side arms (T shape), and a ramp for shore access.
  • U Shape with Ramp Access
    Wraps around a swim area or protected water space; ramp connects to shore.
  • Straight Floating Section with Floater “Fingers”
    Main linear flotations plus several projecting finger docks (perpendicular smaller floating ledges).

Delivery and Support

BARR Plastics offers Canada-wide delivery and local pickup options. Need help picking the right kit or sizing for your shoreline? Their experienced team can assist you—and even connect you with a dock-building professional if needed.

From simple deliveries to full project consultations, you’ll always get friendly, knowledgeable support.

Ready to Build Your Dock?

Check out the product page, download the instructions, and get started!
Need help?  Contact the BARR Plastics sales team at 1.800.665.4499 or use the contact form on the product page

They’ll help you:

  • Choose the right kit size
  • Estimate your lumber needs
  • Coordinate delivery or pickup
  • Add accessories like cleats, ladders, and anchoring systems, etc.

Build smarter, not harder—with BARR Plastics

Need a custom project made?

REQUEST A QUOTE

Need help selecting the right product?

CALL TOLL FREE: 1.800.665.4499

Specifications

Lumber Weights for Pressure Treated Lumber (Not Included in Kits)

1' 8' 10' 12' 16'
2 x 4 2.1 17 21 26 34
2 x 6 3.2 26 32 38 51
2 x 8 4.4 35 44 53 70
2 x 10 5.5 44 55 66 88
2 x 12 6.6 53 66 79 106
4 x 4 4.8 38 48 58 77
4 x 6 7 56 70 84 112
4 x 8 9.3 75 93 112 149
4 x 10 11.7 93 117 140 187
4 x 12 14 112 140 168 224

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