10×20 Gambrel Shed Roof Plans

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This step by step diy project is about 10×20 gambrel shed roof plans. This is PART 2 of the barn shed project, where I show you how to build the gambrel roof. Remember that you can easily frame a loft to this square gambrel shed, for even more storage space. 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.

 

 

Projects made from these plans

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10×20 Gambrel Shed Roof Plans

Building 10x20 gambrel shed

Building 10×20 gambrel shed

 

  • H – 4 pieces of  T1-11 siding – 48″x56 1/4″ long, 2 pieces – 24″x61 1/4″ long SIDING
  • I – 4 pieces of 2×4 lumber – 48″ long 16xTRUSS
  • I – 4 pieces of 2×4 lumber – 51 3/4″ long SUPPORTS
  • – 8 pieces of 3/4″ plywood – 48″x96″ long, 4 pieces – 48″x48″ long ROOF
  • K – 8 pieces of 2×6 lumber – 48 1/2″ long TRIMS
  • L – 350 sq ft of tar paper, 350 sq ft of asphalt shingles ROOFING

 One week

 

 

Building a 10×20 gambrel shed roof

Assembling the trusses

Assembling the trusses

The first step of the barn shed project is to build the rafters for the gambrel roof. Use a miter saw to make 22.5 degrees cuts to both ends of the 2×4 boards. Lay the rafters on a level surface and leave no gaps between the components.

Birdmouths cuts

Birdmouths cuts

Mmake a few cuts to the bottom rafters, as show in the free plans, so they can fit to the top plates properly. Mark the cut lines to the rafters and then get the job done with attention.

Fitting the gussets

Fitting the gussets

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.

Fitting the trusses

Fitting the trusses

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.

Fitting the gambre end supports

Fitting the gambre end supports

Fit 2×4 supports to the 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.

Gambrel end panels

Gambrel end panels

Use T1-11 siding for the panels. Use a circular 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. Leave no gaps between the panels for a professional result.

Fitting the roof sheets

Fitting the roof sheets

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. Leave no gaps between the sheets and make sure the edges are flush.

Roof trims

Roof trims

Fit the 2×6 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 1/2″ screws to lock the trims into place tightly. Leave no gaps between the trims for a professional result. Fill the gaps with wood putty and then smooth the surface thoroughly, before applying the coats of paint.

Fitting the roofing

Fitting the roofing

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.

14x20 gambrel shed plans

14×20 gambrel shed plans

This barn shed is relatively simple to build. Moreover, it has a nice appearance and it will help you organize your tools, furniture, decorations, parts and other items. 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 10×20 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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