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How We Build an Ulrich Shed Floor

Lots of people ask, “Why Ulrich?” It’s a great question. To answer it, we’d like to give you a peek inside the company to watch how a shed is constructed. In this article, we’ll take you out onto the production floor and show you how we make our shed floors.
Shed Floor System
A shed floor in process, just before the decking goes on. (Click to expand photo.)

Skim this Post

  • What’s In a Shed Floor?
  • How to Build a Shed Floor (video)
  • Shed Floor Materials
  • Shed Floor Design
  • Ulrich Fit & Finish

What’s In a Shed Floor?

As you read this, you will discover that the shed floor structure is actually fairly simple. A shed floor has only two basic components:

  1. The support structure, including skids and floor joists.
  2. The floor that you actually walk on.

How To Build a Shed Floor

Step on into our shop. Craftsman Skyler Beery will be your host, and guide you through the process of building a shed floor.

Shed Floor Materials

The first key to a good floor is high-quality materials. The shed floor will live close to the ground, where moisture could rot out the wood in a hurry. Consequently, at Ulrichs we use pressure-treated lumber for all of key structural components in the floor. This includes …
  • Pressure-treated skids — those are the 4×4’s beams underneath it all
  • Pressure-treated joists — those are the 2×4’s or 2×6’s that support the shed floor you walk on
  • Pressure-treated band boards — the band that the floor joists attach to
This pressure-treated lumber comes from right here in Madison, VA. Believe it or not, Madison Wood Preservers has the “world’s largest wood treating facility in terms of physical size and treating capacity.” The treatment facility is a 180,000 sq. ft. building which covers over 4 acres. They take lumber only from high-quality mills. Once inspected, it’s stored inside immediately. This lumber is some of the highest-quality treated lumber you can buy, and comes with a limited lifetime warranty.
Next, on top of the joists, Ulrich uses LP ProStruct® Floor with SmartFinish®.

This flooring is treated with SmartGuard, which prevents termite damage and fungal decay. One of the unique features of LP Shed Floor is that every strand of the flooring is coated with a special water-resistant wax. That gives it outstanding water resistance, so that it is much less likely to bubble and fall apart than traditional particle board or even plywood.

Also, LP ProStruct has a durable overlay that protects the wood underneath, and prevents oil and other liquid spills from soaking in.
Byler Shed Floor -- LP Shed Floor Infographic

LP ProStruct Infographic

Shed Floor Design

Our shed floors are designed for maximum life and durability. All floor joists are a minimum of 16″ on-center (meaning they are 16″ apart, just like your house). We also offer reinforced floors, standard on all our garages. Joists in reinforced floors are 12″ on-center. This ensures that the floor will be strong enough to carry all your cargo.

One indicator of design quality is how many skids are used. When you’re looking around, just be sure to look low. See how many skids there are, and how far apart they are spaced. We use more runners or skids than cheaper sheds. We don’t splice any skids at less than 16 ft. When we do splice, we offset the splices from each other, and make sure we reinforce the splices for maximum strength.

Fit and Finish

Finally, we make sure the floor fits tightly, and that the nails are down even with the floor, and not poking up through to catch a bare toe. As you look around at different sheds, take a close look at the floor. The seams should be lined up nice and tight, without any unsightly gaps.
We hope that gives you an idea of what it takes to make a great quality shed floor. It may seem odd to think of the floor as being important. But the fact is, without a good floor, your shed doesn’t have a leg to stand on.

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