More images of the 12x20 Lean To Shed Plans

12x20 Lean To Shed Plans End View Door

12x20 Lean To Shed Plans Optional Door

12x20 Lean To Shed Plans Rear

12x20 Lean To Shed Plans Right Rear

12x20 Lean To Shed Floor Plan

12x20 Lean To Shed Plans Example:

A Large Lean To Shed Plan

The 12x20 Lean To Shed is a very large lean to shed. It works well as a workshop or large storage shed.

The lower shed wall is framed to 7'-7" tall. The tall shed wall is 9'-6". Our lean to shed designs shows the two angled walls and the lower wall to be the same height to make the angled walls easier to frame.

The 12x20 large lean to shed has door plans included or you can install factory build doors. Either way the door rough opening is the same size.

FREE 12x20 Lean To Shed Materials List (Click to Download)

12x20 Lean To Shed Plans Include The Following:

• Materials List: The shed plans come with a complete materials list that is broken down by parts of the shed.
• 5 Foundations: The shed plans include plans for a wood rail foundation, concrete slab, poured pier, concrete block pier, treated wood on crushed gravel.
• Floor: 2x6 floor joists with 3/4" floor sheathing.
• Walls Framing: 2x4 framing at 16" on center with a double top plate, just like a home is framed.
• Wall Height: The shed wall height is drawn to 7'-7" for the short wall and 9'-6" for the tall wall.
• Door: Home Built Door or Factory Built Doors
  • Door Size - 6'-0" x 6'-8"
• Siding: T-111 exterior siding. Other sidings such as vinyl or cement based sidings may be used.
• Roof: The roof is framed using 2x8's to build the rafters. It is sheeted with 1/2" O.S.B. The plans give you the dimensions and cut angles so you can build the roof rafters on the ground and then put them up on the top plates.
• Roof Pitch: 2/12, this means that for every 2 inches of rise there is 12 inches of run horizontally.
• Roof Overhang: 6" on the sides and 6" on the front and back.
• Roofing: Low slope PBR metal roofing or 25 year asphalt shingles using the manufacturers low slope installation instructions.
• Windows: No windows shown on plans but you can install windows using the instructions in the included How To Build A Shed Manual.
• Trim: 1x4 and 1x6 wood, masonite or cement trim materials are used to finish the corners, roof eves and facia, and door.
• Floor Load: 50 pounds per square foot for framed floors. You don't want your shed floor to feel spongy.
• Roof Snow Load: 40 pounds per square foot. This is more than adequate for most areas. If you live in an area with a high snow load you should check with your local building department for your local snow load. Contact us and we can specify stronger roof framing.