12×8 8×8 Gable Shed Roof Plans

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This step by step diy project is about 12×8 8×8 gable shed roof plans. This is PART 2 of the shed project, where I show you how to build the roof with the porch for the garden shed. This shed roof is easy to build, although it might seem challenging at first. 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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12×8 8×8 Gable Shed Roof Plans

Building a 12x8 8x8 shed

Building a 12×8 8×8 shed

 

  • I – 2 pieces of T1-11 siding – 28 1/4″x48″ long, 1 piece – 40 1/4″x48″ long 2xSIDING
  • I – 2 pieces of T1-11 siding – 28 1/4″x48″ long SMALL SHED SIDING
  • J – 2 pieces of 2×6 lumber – 96″ long, 1 piece of 2×4 lumber – 136″ long, 2 pieces – 19 1/2″ long 7xLARGE SHED TRUSS
  • J – 2 pieces of 2×6 lumber – 69 1/4″ long, 1 piece of 2×4 lumber – 46″ long 7xSMALL SHED TRUSS   
  • K – 4 pieces of 3/4″ plywood – 48″x96″ long, 2 pieces – 48″x95 1/2″ long, 2 pieces – 21 1/4″x95 1/2″ long ROOF
  • L – 240 sq ft of tar paper, 240 sq ft of asphalt shingles ROOFING
  • M – 2 pieces of 1×8 lumber – 69 1/2″ long, 3 pieces – 96 1/2″ long, 1 piece – 26 3/4″ long TRIMS

  • 4 piece of T1-11 siding – 4’x8′
  • 14 pieces of 2×6 lumber – 8′
  • 14 pieces of 2×6 lumeber – 6′
  • 7 pieces of 2×4 lumber – 12′
  • 8 pieces of 2×4 lumber – 8′
  • 7 pieces of 3/4″ plywood – 4’x8′
  • 2 pieces of 1×8 lumber – 8′
  • 3 pieces of 1×8 lumber – 10′
  • 1 piece of 1/2″ plywood – 4’x8′
  • 240 sq ft of tar paper, 240 sq ft of asphalt shingles
  • 8d nails, 2 1/2″ screws, 3 1/2″ screws
  • wood filler wood glue, stain/paint
  • rafter ties

 One week

 

 

Building a 12×8 8×8 gable shed roof plans

Large shed trusses

Large shed trusses

The first step of the project is to build the trusses for the large shed. As you can easily notice in the diagram, you need to use 2×6 lumber for the rafters and 2×4 lumber for the bottom rafters. Use a miter saw to make the cuts to the beams and then lay them on a level surface. Make sure you leave no gaps between the components for a professional result.

Large truss supports

Large truss supports

Use 2×4 lumber for the truss supports. Use a miter saw to make the angle cuts and then fit the supports into place, as shown in the diagram. Use 1/2″ plywood gussets to secure the joints together tightly.

Fitting the large shed trusses

Fitting the large shed trusses

Fit the trusses to the top of the large shed. Use a spirit level to plumb the trusses and then lock them into place with rafter ties. Make sure you place the trusses every 16″ on center, for a professional result.

Large shed gable end panels

Large shed gable end panels

Fit the T1-11 siding to the gable ends of the large shed. Mark the cut lines on the sheets and then get the job done with a saw. Align the edges with attention and then insert 2″ nails, every 8″ along the framing, for a professional result.

Small shed trusses

Small shed trusses

Next, you need to build the trusses for the small shed. Cut the trusses from 2×6 lumber and the bottom rafters from 2×4 lumber. Use a miter saw to get accurate and consistent results.

Fitting the small shed trusses

Fitting the small shed trusses

Fit the trusses to the small shed. Plumb the trusses with a spirit level and then lock them into place with rafter ties. Place the trusses every 16″ on center, for a professional result.

Small gable end panels

Small gable end panels

Use T1-11 siding for the gable end of the small shed. Mark the cut lines on the sheets and then get the job done with a saw. Align the edges and insert 2″ nails, every 8″ along the framing.

Fitting the roof sheets

Fitting the roof sheets

Next, cut the roofing sheets from 3/4″ plywood, as shown in the free shed plans. Align the edges with attention and then insert 1 5/8″ screws, every 8″ along the framing. Leave no gaps between the sheets for a professional result.

Small shed gable end trims

Small shed gable end trims

Use 1×8 lumber for the gable end trims. Use a miter saw to make the angle cuts and then lock them into place with 2″ nails.

Gable ends trims

Gable ends trims

Fit the 1×8 trims to the large shed gable ends. Align the edges with attention and lock them into place with 2″ nails.

Other side trims

Other side trims

Fit 1×8 trims to the front of the shed roof. Align the edges with attention and insert 2″ nails to lock them into place tightly.

Side trim

Side trim

Place the 1×8 trim to the other side of the shed. Use 2″ nails to lock the trim into place tightly.

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. Alternatively, you could also install metal sheets.

How to build a shed

How to build a shed

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 to learn how to build the double side doors, the front door and how to fit the decorative trims.

 

 

This woodworking project was about 12×8 8×8 gable shed roof plans free. 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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