This step by step diy project is about 12×24 gambrel shed roof plans. This is PART 2 of the free large gambrel shed plans, where I show you how to build the barn shaped roof. If you need even more storage space, you can create a loft to the top of the storage shed. Make sure you check the local codes and make adjustments to the plans, if required. Take a look over the rest of my woodworking plans, if you want to get more building inspiration.
When buying the lumber, you should select the planks with great care, making sure they are straight and without any visible flaws (cracks, knots, twists, decay). Investing in cedar or other weather resistant lumber is a good idea, as it will pay off on the long run. Use a spirit level to plumb and align the components, before inserting the galvanized screws, otherwise the project won’t have a symmetrical look. See all my Premium Plans HERE.
Projects made from these plans
12×24 Gambrel Shed Roof Plans
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- H – 4 pieces of T1-11 siding – 48″x60″ long, 2 pieces – 48″x76″ long SIDING
- I – 4 pieces of 2×6 lumber – 57″ long 19xTRUSS
- J – 4 pieces of 2×4 lumber – 49 3/8″ long, 4 pieces – 59 1/4″ long, 2 pieces – 68 1/2″ long SUPPORTS
- K – 8 pieces of 2×6 lumber – 57″ long, 16 pieces – 6 3/8″ long 2xOVERHANG
- L – 9 piece of 3/4″ plywood – 48″x96″ long, 8 pieces – 10″x57″ long, 8 pieces – 9″x96″ long, 8 pieces – 8″x48″ long 2xROOF
- M – 8 pieces of 1×8 lumber – 57 1/2″ long TRIMS
- N – 500 sq ft of tar paper, 500 sq ft of asphalt shingles ROOFING
- 2 pieces of 5/8″ T1-11 – 4’x10′
- 2 pieces of 5/8″ T1-11 – 4’x8′
- 46 pieces of 2×6 lumber – 10′
- 6 pieces of 2×4 lumber – 12′
- 1 piece of 1/2″ plywood – 4’x8′
- 17 pieces of 3/4″ plywood – 4’x8′
- 4 pieces of 1×8 lumber – 12′
- 500 sq ft of tar paper, 500 sq ft of asphalt shingles
- rafter ties
- tar paper
- 6d nails, 2 1/2″ screws, 3 1/2″ screws
- wood filler , wood glue, stain/paint
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Hammer, Tape measure, Framing square, Level
Miter saw, Drill machinery, Screwdriver, Sander
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- PART 1: 12×24 Barn Shed Plans
- PART 2: 12×24 Barn Shed Roof Plans
- PART 3: 12×24 Double Door Plans
Building a 12×24 gambrel shed roof
The first step of the project is to build the rafters for the gambrel shed. Use a miter saw to make 22.5 degrees cuts to both ends of the 2×6 lumber and lay them on a level surface.
Lay the rafters on a level surface and leave no gaps between them. Use 1/2″ plywood for the gussets and use the information from the diagram to get the job done. Use 1 5/8″ screws to lock the gussets over the rafters.
Fit the trusses to the top of the shed and place the every 16″ on center. Plumb the trusses with a spirit level and use rafter ties to lock them into place tightly.
Use 2×4 lumber for the gambrel end supports.
Fit 2×4 supports to front and back gambrel ends of the shed. Use the diagram to make the cuts to the supports, drill pocket holes at both ends and insert 2 1/2″ screws to lock them into place tightly. Place the supports every 24″ on center.
Use T1-11 siding for the front and back gambrel ends. Use a saw to cut the panels at the right size and dimensions and then align the edges flush. Insert 6-8d nails, every 8″ along the framing.
Use rafters and 2×4 blockings for the front and back overhangs. You can adjust the size of the overhangs to suit your needs. Drill pilot holes through the rafters and insert 2 1/2″ screws into the blockings.
Fit the overhangs to the front and to the back of the shed. Align the edges with attention, drill pilot holes and insert 3 1/2″ screws to lock them into place tightly.
Cut the roof sheets at the right dimensions and then fit them to the top of the shed. Align the edges with attention and insert the 1 5/8″ screws, every 8″ along the framing.
Fit the 1×8 trims to the front and to the back of the shed roof. Cut both ends of the trims at 67.5 degrees (set the miter saw at 22.5 degrees). Use 2″ nails to lock the trims into place tightly. Leave no gaps between the trims for a professional result.
Cover the roof with tar paper and then install the asphalt shingles. Make sure you also install the appropriate drip edges, so you can seal the shed roof. Read the manufacturer’s instructions for a tight fit.
This large shed has a nice appearance and it is simple to build, as well. Make sure you read the local building codes before starting the project, so you can make modifications, if necessarily.
I have lots of other shed projects on the site so I recommend you to browse through all alternatives before starting the building project. See all my shed projects HERE. Moreover, check out PART 1 of the shed, so you learn how to build the frame of the shed. Check out PART 3 of the shed, so you learn how to build the double doors.
This woodworking project was about 12×24 barn shed roof plans. If you want to see more outdoor plans, check out the rest of our step by step projects and follow the instructions to obtain a professional result.
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