12×22 Gambrel Roof with Loft for Cabin – DIY Plans

This step by step diy project is about 12×22 gambrel cabin roof plans. This is PART 2 of the shed project where I show you how to build the barn style roof for the small cabin or for the hunting shack. This article includes building the barn roof, framing the loft and making the ladder. 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

12×22 Gambrel Roof with Loft for Cabin – DIY Plans

Building-a-12×22-barn-shed-with-loft-and-front-porch

Cut & Shopping Lists

• J – 4 pieces of 5/8″ T1-11 siding – 48″x84″ long, 2 pieces – 48″x93 7/8″ long SIDING SHEETS
• L – 2 pieces of 2×6 lumber – 83″ long, 2 pieces – 49″ long 18xTRUSS
• L – 2 pieces of 2×6 lumber – 83″ long, 2 pieces – 49″ long, 16 pieces – 4 1/2″ long 2xOVERHANGS
• L – 2 pieces of 2×4 lumber – 77 1/4″ long, 2 pieces – 44 1/2″ long, 2 pieces – 36″ long GAMBREL END SUPPORTS
• M – 15 pieces of 2×6 lumber – 144″ long, 1 piece – 62 1/2″ long, 3 pieces – 90 1/8″ long JOISTS
• N – 3 pieces of 3/4″ plywood – 48″x96″ long, 1 piece – 48″x71 1/4″ long, 1 piece – 48″x32 3/4″ long, 1 piece – 12 1/2″x48″ long, 1 piece – 48″x48″ long, 1 piece – 38 7/8″x70 1/2″ long, 2 pieces – 38 7/8″x96″ long, 2 pieces of 1/2″ plywood – 44 1/2″x71 3/8″ long, 1 piece – 48″x71 3/8″ long LOFT FLOOR
• O – 8 pieces of 1/2″ plywood – 48″x96″ long, 4 pieces – 48″x88″ long, 4 pieces – 35″x96″ long, 2 pieces – 48″x35″ long, 2 pieces – 40″x35″ long ROOF
• P – 4 pieces of 1×8 lumber – 83 1/2″ long, 4 pieces – 49 1/2″ long ROOF TRIMS
• R – 550 sq ft of tar paper, 550 sq ft of asphalt shingles ROOFING
• S – 2 pieces of 2×8 lumber – 102 7/8″ long, 7 pieces – 33″ long LADDER
• T – 3 pieces of 2×4 lumber – 64 3/8″ long, 8 pieces of 2×2 lumber – 30″ long 3xRAILINGS
• U – 8 pieces of 1×4 lumber – 96″ long, 12 pieces – 36″ long, 12 pieces – 31″ long TRIMS

• 44 pieces of 2×6 lumber – 8′
• 11 pieces of 2×6 lumber – 10′
• 15 pieces of 2×6 lumber – 12′
• 4 pieces of 1×8 lumber – 8′
• 2 pieces of 1×8 lumber – 10′
• 2 pieces of 2×8 lumber – 10′
• 2 pieces of 2×8 lumber – 12′
• 9 pieces of 2×2 lumber – 8′
• 17 pieces of 2×4 lumber – 8′
• 14 pieces of 1×4 lumber – 8′
• 4 pieces of 1×4 lumber – 10′
• 26 pieces of 3/4″ plywood – 4’x8′
• 4 pieces of 1/2″ plywood – 4’x8′
• 2 1/2″ screws, 3 1/2″ screws, 1 5/8″ screws
• 6d nails
• wood filler , wood glue, stain/paint
• 550 sq ft of tar paper, 250 sq ft of asphalt shingles
• 6 shed windows 24″x36″
• 1 exterior door 32″x80″

Tools

 Hammer, Tape measure, Framing square, Level

 Miter saw, Drill machinery, Screwdriver, Sander

 Safety Gloves, Safety Glasses

Time

 One day

Related

• PART 1: 12×22 Small Cabin Plans
• PART 2: 12×22 Gambrel Cabin Roof Plans

Building a gambrel roof with loft for a 12×22 cabin

Rafters-for-12×22-gambrel-shed

Build the rafters for the gambrel roof. Make 22.5 degree cuts to both ends of the 2×6 rafters and then lay them on a level surface.

Birdsmouth cut for cabin rafter

Make birdsmouth cuts to the base rafters. Mark the cut lines to the rafters and then get the job done with a circular saw.

Fitting the gussets

Use 1/2″ plywood for the gussets. Mark the cut lines on the plywood sheets and then get the job done with a circular saw. Smooth the edges with sandpaper for a professional result. Fit the gussets over the joints and secure them into place with 1 5/8″ screws.

Fitting-the-trusses-to-the-shed

Fit the trusses to the top of the 12×22 cabin. Plumb the trusses with a spirit level and then place them equally spaced, every 16″ on center. Use rafter ties to secure the trusses to the top plates.

Ceiling joists for 12×22 cabin

Fit the 2×6 ceiling jousts, every 16″ on center, as shown in the diagram. Secure the joists to the rafters with 2 1/2″ screws. In addition, use rafter ties to secure the joists to the side walls.

Floor sheets for loft

Use 3/4″ plywood sheets for the floor. Cut the sheets as shown in the diagram and lay them to the loft frame. Leave no gaps between the sheets. Drill pilot holes and insert 1 5/8″ screws, every 8″ along the framing.

Gambrel end supports – 12×22 shed

Fit 2×4 lumber to the ends of the cabin roof. Drill pocket holes at both ends of the supports and insert 2 1/2″ screws to lock them into place tight.

Framing the window for loft

Frame the openings for the windows. You can adjust the opening to suit your needs. Drill pocket holes at both ends of the components and insert 2 1/2″ screws to lock everything tightly. Make sure the corners are square and align the edges flush.

Gambrel end panels

Use T1-11 siding sheets for the gambrel ends. Mark the cut lines to the sheets and then get the job done with a circular saw. Cut out the window opening.

Ceiling plywood sheets – 4’x8′

Fit the 1/2″ plywood sheets to the porch ceiling. Align the edges, drill pilot holes and insert 1 5/8″ screws, every 8″ along the framing.

Assembling the overhangs for the barn cabin

Assemble the overhangs for the for the barn cabin. Drill pilot holes through the rafters and insert 3 1/2″ screws into the blockings.

Fitting the overhangs to the barn cabin

Fit the overhangs to the front and to the back of the cabin. Align the edges flush, drill pilot holes and insert 3 1/2″ screws, every 8″ along the framing

Fitting-the-roofing-sheets-to-the-12×22-barn-shed

Use 1/2″ plywood sheets for the roof of the barn cabin. Cut the sheets as shown in the diagram and then lay them to the roof of the cabin. Leave no gaps between the sheets, drill pilot holes and insert 1 5/8″ screws, every 8″ along the roof structure.

Corner trims

Fit 1×4 trims to the corners of the cabin. Align the edges flush and insert 6d nails, to lock them into place tightly.

Fitting the door – 12×22 cabin

Fit the door to the front of the small cabin. Align the edges and set the doors into place.

Trims for front window

Fit the window to the front of the cabin. Add trims around the window, as well.

Fitting the trims to both ends of the cabin

Use 1×8 lumber for the front and back roof of the barn cabin. Make 22.5 degree cuts at both ends of the rafters. Align the edges and secure them into place with 6d nails.

Side window trims

Fit the windows to the sides of the cabin. Fit the trims to enhance the look of the cabin.

Front and back wall window trims

Add the trims to the loft windows.

Railings-for-cabin-porch

Use 2×4 lumber for the rails and 2×2 lumber for the balusters. Drill pilot holes through the balusters and insert 2 1/2″ screws into the railings. Place the balusters equally spaced.

Fitting the handrail

Fit a 2×4 board to the top of the railings. Drill pilot holes and insert 2 1/2″ screws to lock them into place tightly.

Fitting the balusters

Fit the railings to the porch of the barn cabin. Drill pocket holes at both ends of the railings and insert 2 1/2″ screws to lock them to the posts.

Fitting the roofing – 12×22 cabin

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.

Ladder stringer

Use 2×8 lumber for the ladder. Use a miter saw to make 10 degree cuts at both ends of the stringers.

Assembling the loft ladder tread

Next, assemble the ladder for the loft. Drill pilot holes through the stringers and insert 3 1/2″ screws into the treads. Make sure you align the edges at both ends.

Fitting the loft ladder to the barn cabin

Fit the ladder to the opening and lock it o the ceiling joists with 2 1/2″ screws. In addition, insert a few screws through the stringers into the floor of the cabin.

12×22 Barn Cabin Plans – back wall

Last but not least, you need to take care of the finishing touches. Apply a few coats of paint to enhance the look of the cabin. You can also add insulation between the walls, if you plan to use the cabin during the winter.

12×22-barn-cabin-plans

Don’t forget to take a look over PART 1 to learn how to build the frame of the small hunting shack. Check out PART 3 to see how to build the railings.

This woodworking project was about 12×22 gambrel cabin 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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