This step by step diy project is about 8×16 gambrel roof plans. This is PART 2 of the shed project where I show you how to build the barn style roof, using the most straight forward techniques and materials. The roof has a great slope so you can use this shed in any area. If you live in an area with hurricanes, make sure you enhance the joints by installing proper ties. 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. If you have all the materials and tools required for the project, you could get the job done in about a day. See all my Premium Plans HERE.
Projects made from these plans
8×16 Gambrel Roof Plans
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- G – 4 pieces of 5/8″ t1-11 siding – 48″x48 long GAMBREL ENDS
- H – 2 pieces of 2×4 lumber – 88 1/4″ long, 4 pieces – 31 1/2″ long, 2 pieces – 40 3/4″ long SUPPORTS
- I – 36 pieces of 2×4 lumber – 36 3/4″ long, 18 pieces – 12″ long RAFTERS
- J – 2 pieces of 1×6 lumber – 198 1/4″ long, 8 pieces – 37 1/4″ long, 4 pieces – 12 1/2″ long ROOF TRIMS
- K – 4 pieces of 3/4″ plywood – 36 3/4″x96″ long, 4 pieces – 31 3/4″x96″ long, 4 pieces – 11 1/2″x96″ long ROOF
- L – 250 sq ft of tar paper, 250 sq ft of asphalt shingles ROOFING
- 23 pieces of 2×4 lumber – 12′
- 2 pieces of T1-11 siding – 4’x8′
- 8 pieces of 3/4″ plywood – 4’x8′
- 4 pieces of 1×6 lumber – 6′
- 4 pieces of 1×6 lumber – 10′
- 2 1/2″ screws, 3 1/2″ screws, 1 5/8″ screws
- 4d nails, 6d nails
- wood filler , wood glue, stain/paint
- 250 sq ft of tar paper, 250 sq ft of asphalt shingles
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Hammer, Tape measure, Framing square, Level
Miter saw, Drill machinery, Screwdriver, Sander
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- PART 1: 8×16 Gable Shed Plans
- PART 2: 8×16 Gable Shed Roof Plans
- PART 3: Double Shed Doors Plans
Building a 8×16 barn shed roof
The first step of the project is to build the rafters for the trusses. As you can see in the diagram you need to make 22.5 degree cuts to both ends of the 2×4 slats.
If you want to attach side overhangs to both sides of the roof, make sure you build these 2×4 small rafters.
Lay the components on a level surface and then attach the 1/2″ plywood gussets. Make sure the edges are aligned and leave no gaps between the components. Use 1 5/8″ screws to secure the gussets to the rafters.
Fit the trusses to the top of the roof. Place the trusses every 24″ on center and use a spirit level to plumb them. Align everything with attention and use metal connectors to lock them into place tightly.
Attach 2×4 supports to the front and back of the gambrel ends. Drill pocket holes at both ends of the components and insert 2 1/2″ screws to lock everything tightly.
Use 5/8″ T1-11 siding and attach it into place with 6-8d nails. Make sure you align the edges properly and leave no gaps between the components for a neat result.
Attach 3/4″ plywood sheets to the top of the roof, using the pattern shown in the plans. Align the edges properly, so the sheets meet on the middle of the common rafter. Drill pilot holes and insert 1 5/8″ screws so you secure the sheets into place tightly.
Fit the 1×6 trims to the sides of the barn shed using 2″ brad nails.
Attach 1×6 trims to the front and back of the barn shed, as well. Align the edges with attention and leave no gaps between the components. Use 2″ brad nails to secure the trims into place.
Fit the trims to the overhangs, using the same techniques described above. If you want to, you can easily attach overhangs to the front and to the back of the barn shed.
Cover the roof of the shed with roofing felt, making sure the strips overlap at least 2″. Secure the tar paper to the plywood sheets with roofing staples. In addition, cut a large piece for the top ridge. Fit the side drip edges over the roofing felt, while the bottom drip edges should be fit under. Read the instructions labeled on the asphalt shingle packs before installing them into place tightly. Start with the bottom left side of the roof and install them all the way to the top.
Don’t forget to take a look over PART 1 and PART 3 to learn how to build the frame of the garden shed, as well as how to frame the double front doors.
This woodworking project was about 8×16 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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