Home Shed 12×18 Run In Shed Roof Plans

12×18 Run In Shed Roof Plans

by Ovidiu
4.3K views 10 minutes read

 

This step by step diy woodworking project is about 12×18 run in shelter roof plans. This article is PART 2 of the three horse shelter project. Therefore, if you want to build the lean to roof for the 12×18 shelter, take a look over this article. Make sure you check out the rest of plans to see alternatives and more projects for your garden.

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

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12×18 Run In Shed Roof Plans

Building-a-run-in-shed

Building-a-run-in-shed

 

Cut & Shopping Lists

  • E – 6 pieces of T1-11 siding – 48″x84″ long, 2 pieces – 17 3/4″x48″ long, 2 pieces – 30 1/4″x48 long, 2 pieces – 42 1/2″x48″ long SIDING
  • G – 10 pieces of 2×6 lumber – 168″ long RAFTERS
  • H – 6 pieces of 3/4″ plywood – 48″x96″ long, 3 pieces – 24″x48″ long, 2 pieces – 24″x96″ long, 1 piece – 24″x24″ long ROOF SHEETS
  • I – 2 pieces of 1×6 lumber – 168″ long, 2 pieces – 219″ long TRIMS
  • J – 275 sq ft of tar paper, 275 sq ft of asphalt shingles ROOFING
  • K – 10 pieces of 1×6 lumber – 140 1/2″ long, 5 pieces – 207 1/2″ long INTERIOR WALLS

Tools

 Hammer, Tape measure, Framing square, Level

 Miter saw, Drill machinery, Screwdriver, Sander

 Safety Gloves, Safety Glasses

Time

 One day

 

 

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Building a large run in shed

Building the rafters

Building the rafters

First of all, you need to build the rafters for the lean to shed. Use 2×6 beams, as the rafters need to support a lot of weight, especially if you live in a snowy area.

Building the notches to the rafters

Building the notches to the rafters

Make a small notch to the bottom of the rafters, as shown in the diagram. Smooth the recess with sandpaper.

Fitting-the-rafters---run-in-shed

Fitting-the-rafters—run-in-shed

Fit the rafters to the top of the run in shed. Place the rafters equally-spaced, using the instructions from the diagram. Toe nail the rafters to the structure or use appropriate metal connectors.

Fitting the roofing sheets

Fitting the roofing sheets

Attach 3/4″ plywood sheets to the rafters, using the pattern shown in the diagram. Drill pilot holes and insert 1 5/8″ screws, every 8″ along the rafters. Leave no gaps between the tongue and groove sheets.

Fitting the side panels

Fitting the side panels

Continue the project by attaching the siding sheets to the sides of the run in shed. Align the sheets with attention and lock them into place with 1 5/8″ screws/nails. Leave no gaps between the sheets for a professional result. As you can notice, the side siding will also cover the rafters and roofing sheets.

Fitting the roof trims

Fitting the roof trims

In order to enhance the look of the large run in shed, you need to attach 1×6 trims to the sides and to the front and back faces. Use brad nails to secure the trims into place, after aligning the edges with attention.

Fitting the roofing

Fitting the roofing

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 12″ piece for the top ridge. Fit the side drip edges over the roofing felt, while the bottom drip edges should be fit under.

Interior side slats

Interior side slats

If you want to protect the shed from damage and to enhance its look, you need to attach 1×6 slats to the interior walls. You can leave gaps between the slats or you can create a continuous surface. Use 1 5/8″ screws to lock the slats to the studs.

Interior back slats

Interior back slats

Attach the slats to the back wall, as well.

Horse shelter plans free

Horse shelter plans free

Make sure you take care of the finishing touches. Fill the holes with wood putty and smooth the surface with sandpaper.

Run in shed - Side view

Run in shed – Side view

The run in shelter seen from one side has a really utilitarian look. However, the minimalist design of the shed helps you to integrate it easily to any backyard.

Run in shed plans

Run in shed plans

Apply a few coats of paint over the components, to protect them from decay and to enhance the look of the shed.

Top Tip: Check out the rest of the project, to learn how to build the frame for the  12×18 run in shed.

 

 

This woodworking project was about 12×18 horse shelter 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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5 comments

Sam -

Should there be a notch in the top of each rafter, where it rests on the 2×10 beam? Most lean-to rafter examples I’ve seen show a notch in both ends. Thanks.

Reply
Ovidiu -

My design doesn’t require that.

Reply
Ron -

On your 12 by 18 run in shed why is the “center” front support post off centered?

Reply
Ovidiu -

It is a personal choice, you can fit it on center if you want, without any issues.

Reply
Daren -

How wide is the shed with the roof on approximately? Trying to figure if I can fit it out a14ft wide door if I build inside. I know roof joists are 14” long but Lay at an angle

Reply

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