In addition to the 12×20 Deluxe Gable Roof Shed Plans I offer these 3 other styles of 12×20 shed plans:
This materials & cut list and cost estimate worksheet is for my 12×20 Deluxe Gable Roof Shed Plans with these features:
- 3:12, 6:12 and 12:12 roof pitch options
- 12 inch overhang
- 31 sizes from 8×4 to 16×32
- 8, 10, 12, 14 & 16 ft widths
- Single and double doors
- Pressure treated wood foundation on concrete blocks (concrete piers optional)
- Floor studs 12 inch O.C.
- Wall studs 16 inch O.C
- Roof trusses 24/16 inch O.C.
- 8ft Side wall height
- Double top plates
- Double corner studs
- Includes 48 inch loft the length of the shed with an optional gable end door
- Frame for pre hung doors and windows
- Build a loft in the higher roof pitches
Optional configurations will require additional materials from what is listed here. Materials are calculated on 6:12 roof pitch. A higher pitch will require more materials.
Materials And Cut List, 12×20 Deluxe Gable Roof Shed Plans
This materials and cut list shows where the individual materials are used. The cost estimate worksheet shows the total materials.
| Notes | Item: Cut dimensions, Table 2 | Size | Quantity |
| Foundation | |||
| A | Pressure treated skids: B | 4x4x10ft | 6 |
| Floor | |||
| Band boards: B | 2x6x20ft | 2 | |
| Floor joists: C | 2x6x12ft | 21 | |
| F | Floor sheeting, 3/4in plywood or OSB | 4ftx8ft | 8 |
| 20ft Side wall #1 | |||
| Top plate: B | 2x4x20ft | 1 | |
| Top & bottom plates: D | 2x4x20ft | 2 | |
| B | Studs: F | 2x4x92 5/8 | 16 |
| D | Siding, 7/16 to 5/8inch | 4ftx8ft | 5 |
| 20ft Side wall #2 | |||
| Top plate: B | 2x4x20ft | 1 | |
| Top & bottom plates: D | 2x4x20ft | 2 | |
| B | Studs: F | 2x4x92 5/8 | 16 |
| D | Siding, 7/16 to 5/8inch | 4ftx8ft | 5 |
| 12ft End wall #1 | |||
| Top plate: E | 2x4x12ft | 1 | |
| Top & bottom plates: A | 2x4x12ft | 2 | |
| B | Studs: F | 2x4x92 5/8 | 10 |
| D | Siding, 7/16 to 5/8 inch | 4ftx8ft | 3 |
| 12ft End wall #2 | |||
| Top plate: E | 2x4x12ft | 1 | |
| Top & bottom plates: A | 2x4x12ft | 2 | |
| B | Studs: F | 2x4x92 5/8 | 10 |
| D | Siding, 7/16 to 5/8 inch | 4ftx8ft | 3 |
| Door | |||
| P | Header: Figure 5a | 2x4x8ft | 1 |
| Q | Jack studs: Figure 5a | 2x4x92 5/8 | 1 |
| B | Inner door frame: Figure 5b | 2x4x92 5/8 | 4 |
| E | Trim | 2.5x8ft | 8 |
| K | Hinges | 3 | |
| L | Latch | 1 | |
| Trusses @ 6:12 pitch | |||
| 11+2 (each truss uses 2 pieces): H, Figure 3.1 | 2x4x8ft | 26 | |
| Collar beams: A, Figure 3.1 | 2x4x12ft | 11 | |
| B | Uprights: Figure 3.1 | 2x4x92 5/8 | 11 |
| D | End truss siding, 7/16 to 5/8: Figure 3.3 | 4ftx8ft | 3 |
| Roof | |||
| G | Sheeting, 1/2 plywood or OSB | 4ftx8ft | 12 |
| E | Trim, corners | 2.5x8ft | 8 |
| E | Trim, facia and bird boards | 5.5x8ft | 15 |
| H | Drip edge | 10 | |
| I | Felt paper (roll) | 2 | |
| J | Shingles (bundles) | 12 | |
Cut dimension in the second column are found in Table 2 & 5 on pages 65 & 69 of the Deluxe Shed Plans.
Truss materials are based on a 6:12 pitch with about 12 inches of overhang. To adjust for a 3:12 or a 12:12 pitch look at table 5 on page 69 and make the appropriate substitution based on dimension “H”.
Cost Estimate Worksheet, 12×20 Deluxe Gable Roof Shed Plans
This estimate doesn’t include sales tax, cost to paint, or any other necessary items or tools you might need but don’t already have.
| Notes | Item | Quantity | Price | Sub Total |
| A | 4x4x10ft pressure treated | 6 | ||
| B | 2x4x92 5/8 (PC) | 68 | ||
| 2x4x8ft | 27 | |||
| 2x4x12ft | 17 | |||
| 2x4x20ft | 6 | |||
| 2x6x12ft | 21 | |||
| 2x6x20ft | 2 | |||
| D | 7/16x4ftx8ft Hardboard siding | 19 | ||
| E | 4ftx8ft No groove siding | 3 | ||
| F | 3/4x4ftx8ft Plywood or OSB | 8 | ||
| G | 1/2x4ftx8ft Plywood or OSB | 12 | ||
| H | 10ft Drip edge | 10 | ||
| I | Felt paper (roll) | 2 | ||
| J | Shingles (bundles) | 12 | ||
| K | Hinges | 3 | ||
| L | Latch | 1 | ||
| M | Assorted fasteners | (estimate) | 25.00 | |
| Grand Total | ||||
Print this list out and take it down to your local building supply store to calculate the cost of building this 12×20 Deluxe gable roof shed. Fill in the price for each item and multiply by the number used to calculate the total cost to build.
Use the notes below for additional information on the items you need.
Materials notes for 12×20 Deluxe Gable Roof garden shed plans:
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