Lumberjack Portable Building by Lark

Just one look at the Lumberjack portable building and you will see the unlimited storage opportunities that this unit provides.

If you prefer, the Lumberjack portable building is available in the Accu-Steel model. This unit comes with the same impressive features as our wood frame, plus the outstanding advantages that you get with a steel frame unit.

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Lumberjack Metal Shed Storage Building Gainesville, FL
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We realize everyone does not need the outstanding and unique features that comes with the Lumberjack. However, if you agree that bigger is better, look no further. The Lumberjack is not only the building you need, but the building you deserve.



Antique Beige








Barn Red



Candy Apple Red

Cedar Brown

Red Wood

Accu-Steel Frame Buildings

The Lark Accu-Steel frame building is the biggest advancement in portable building design and construction in the last 40 years. We manufacture the Accu-Steel using one of the most precise and advanced rollforming systems available. The strength, quality, and durability of this steel frame system are truly awesome. The Accu-Steel is manufactured using a totally new concept of rollforming and assembly. A system and method of steel stud construction that is unprecedented.

Lark Buildings Accu-steel Truss Roof Section

Accu-steel Truss Roof Section

Lark Buildings Accu-steel Diagonal Door Support

Accu-steel Diagonal Door Support

Lark Buildings Accu-steel Wall Connection

Accu-steel Wall Connection

Lark Builders Accu-steel Corner Bracing

Accu-Steel Corner Bracing

Lark Builders Accu-steel Rigid Roof Frame Sections

Accu-Steel Rigid Roof Frame Sections

Lark Builders Roof Connection to Side and End Wall

Accu-Steel Roof Connection to Side and End Wall

For years, steel stud construction has utilized a system of U-channels for the top and bottom plates and C-channels for the studs. When using this system, the U-channels and studs have to be measured and marked for center placement. This system lends itself to mistakes in measuring and stud placement. Using this archaic method of fabrication and assembly compromises the accuracy and quality of the finished product.

We manufactured the Accu-Steel building using a state of the art computerized rollformer and software system. This system utilizes C-channels for all structural components, the top and bottom plates as well as the wall studs. This amazing system measures and notches the C-channel for precise stud location. It dimples and punches the C-channels and studs for perfect fastener location and alignment. The building structure created by this rollforming system looks like it was made by a metal working craftsman. Everything on this building system fits and finishes like you expect.

The frame of the Accu-Steel is rollformed from heavy duty 18 gauge G-90 galvanized material that not only give you superior strength and durability, but also provides needed rust protection.
If you are interested in a portable building, you owe it to yourself to critically evaluate this new high tech building system. See why we are sure you will agree that strength, quality, and value like this does not come along every day.

Great Reasons to Buy an Accu-Steel Building

  • Steel does not warp, split, crack or creak;
  • Steel has the highest strength to weight ratio of any building material;
  • Steel is not vulnerable to termites or any type of organism;
  • Steel does not burn or add fuel to the spread of fire;
  • Steel has less probability of damage in high winds, stronger connections (screwed vs. nailed);
  • Steel is dimensionally stable; it does not expand or contract with moisture content.
  • Steel produces less scrap and waste (2% for steel vs. 20% for wood);
  • Steel is environmentally friendly — 100% recyclable, saving landfill space.

Roof & Siding Metal Profiles

Aluminum Dutch Lap Siding Panel for Portable Building

Aluminum Dutch Lap Siding Panel

Steel Dutch Lap Siding Panel for Portable Building

Steel Dutch Lap Siding Panel

Steel Sturdi-Rib Roofing Panel for Portable Building

Steel Sturdi-Rib Roofing Panel

Aluminum Twin Rib Roofing Panel for Portable Building

Aluminum Twin Rib Roofing Panel

Aluminum Box Rib Roofing Panel for Portable Building

Aluminum Box Rib Roofing Panel

Aluminum Permatile Roofing Panel for Portable Building

Aluminum Permatile Roofing Panel


Lark Builders Floor Mortise Splice and Bolted Skid

Floor Mortise Splice and Bolted Skid

Floor Skid Fabrication

While other manufacturers use two 2 x 6’s nailed together for the all important base structure or floor skids of their buildings, we at Lark use only solid 4 x 6’s that are precision trimmed, tapered, and dadoed for our floor skids. When we require skids that are longer than our available timbers, we mortise the splice and make the connection using six 4″ galvanized lag bolts. This assures the uncompromising strength and durability of our buildings.

Lark Builders Floor Skid End Double Lag-Bolted and Hurricane Clipped

Floor Skid End Double Lag-Bolted and Hurricane Clipped

Floor Frame Assembly

All of our floor joists are connected to the skids by being nailed and lag bolted at each dado to assure that the base of our buildings have superior wind uplift protection. On the skid ends, we not only double lag bolt our headers at a 45 degree angle to the skids, we also hurricane clip them for additional holding power.

Lark Builders Floor 23/32" T and G Plywood Installed

Floor 23/32″ T and G Plywood Installed

Plywood Installation

One of the most outstanding features of our Lark floor system is the way we connect our 23/32″ treated plywood to our floor cross members.

We don’t use nails that can back out and weaken the floor. We use only plated deck screws that give the floor more strength and rigidity than nails. When we place this 23/32″ panel on 16” centers we are able to give you a floor loading of 125 P.S.F. The reason we use this floor loading is to insure that the super structure of the building is adequately supported and that the integrity and stability of the Unit is not compromised.


  • 46”x72” Insulated Door
  • 60”x72” Insulated Door
  • Insulated Double Door
  • 6×7 Garage Door
  • 8×7 Garage Door
  • 9×7 Garage Door
  • 9 light window in door upgrade


  • Small
  • Large
  • Extra Large
  • 12”x12” Vent


  • Standard Receptacles
  • Standard Lights
  • Fluorescent Lights
  • 220 Hookup
  • Recessed Wiring Upgrade

Shelving (charged per linear foot)

  • 12” Deep
  • 18” Deep
  • 24” Deep
  • 36” Deep
  • 48” Deep

Rent-To-Own Metal Lumberjack Building by Lark Builders

Our rent-to-own program for Lark’s metal buildings is wonderful, quick and easy. It is a great alternative to traditional financing. Get your building now and pay monthly. No Credit Check Required. Application form.

Best Built, Best Price, Best Service.
Top-notch product and customer service.

Daniel arrived promptly on a Friday evening after my garage became inoperable. After replacing two springs and some final tuning I was out the door in 30 minutes.

Ali W.St. Louis, MO