Barn Greenhouse Plans

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This step by step woodworking project is about barn greenhouse plans free. This article features detailed instructions for building a barn shaped 10×12 greenhouse. We have designed the plans to keep the expenditures under control and to involve the least amount of work possible. These are the easiest plans for building a barn greenhouse you will find on internet.

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). Use a spirit level to plumb and align the components, before inserting the galvanized screws, otherwise the greenhouse 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.

 

 

Projects made from these plans

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Barn greenhouse plans

Building a barn greenhouse

Building a barn greenhouse

 

  • A – 2 pieces of 2×4 lumber – 144″ long, 7 pieces – 33″ long 2xSIDES
  • B – 1 pieces of 2×4 lumber – 113″ long, 4 pieces – 33″ long, 2 pieces – 36 1/2″ long, 2 pieces – 76 1/4″ long, 1 piece – 40″ long FRONT
  • C – 2 pieces of 2×4 lumber – 113″ long, 7 pieces – 33″ long BACK
  • D – 1 piece of 2×4 lumber – 36″ long, 2 pieces – 35 1/2″ long, 2 pieces – 43 1/4 1/2″ long, 1 piece – 40″ long FRONT
  • E – 2 pieces of 2×4 lumber – 117″ long, 2 pieces – 120″ long, 4 pieces – 39 3/4″ long BACK
  • F – 4 pieces of 2×4 lumber – 48″ long, 4 pieces – 41 1/2″ long, 10 pieces – 40 3/4″ long RAFTERS
  • G – 1 pieces of 2×4 lumber – 141″ long TOP RIDGE
  • H – 12 pieces of 2×4 lumber – 22 1/4″ long BLOCKINGS
  • I – 2 pieces of 2×4 lumber – 37″ long, 2 pieces – 69 1/4″ long, 1 piece – 30″ long DOOR

 One weekend

 

 

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How to build a barn greenhouse

Building the side walls

Building the side walls

The first step of the project is to build the side walls. Cut the components out of 2×4 lumber and drill pilot holes though the plates. Fit the studs equally-spaced and insert 2 1/2″ screws through the plates to lock them into place properly. Make sure the corners are square before inserting the screws.

Building the end rafters

Building the end rafters

Next, you need to build the end rafters. Use 2×4 lumber and a miter saw for the angle cuts. Drill pocket holes through the rafters and lock them together with 2 1/2″ screws. Alternatively, you could use 3/4″ plywood gussets to reinforce the joints.

Fitting the top ridge

Fitting the top ridge

Fit the end rafters to the plates, as described in the diagram. Next, you need to fit the top plate to the top of the barn greenhouse. Drill pilot holes through the end rafters and insert 2 1/2″ screws into the top ridge.

Building the rafters

Building the rafters

Continue the outdoor project by assembling the intermediary rafters. Cut the components at the right angles and sizes before assembling them together with 2 1/2″ screws.

Fitting the rafters

Fitting the rafters

Fit the rafters to the structure, making sure you place them equally-spaced. Drill pilot holes through the rafters and insert 2 1/2″ screws into the plates to create rigid joints.

Fitting the blockings

Fitting the blockings

Next, attach the 2×4 blocking to the roof of the barn greenhouse. Drill pocket holes at both ends and secure them to the rafters using 2 1/2″ screws. Meke sure the edges are flush before inserting the galvanized screws.

Front Wall

Front Wall

Build the front wall for the greenhouse, using the information described in the diagram. Drill pilot holes before inserting the 2 1/2″ screws to lock the components together. Make sure the edges are flush and check if the corners are right-angled.

Fitting the back and front walls

Fitting the back and front walls

Fit the front wall to the barn greenhouse, as describe din the diagram. Insert 2 1/2″ screws through the studs placed at both ends into the adjacent side walls, to create a rigid structure. Plumb the walls with a spirit level, before inserting the screws.

Building the front wall

Building the front wall

Continue the project by attaching the rest of the components to the front wall of the barn greenhouse. Make the angle cuts and lock everything together with screws. Leave no gaps between the components for a professional result.

Back wall

Back wall

Build the back wall for the greenhouse. Cut the studs and the plates at the right dimensions. Drill pilot holes through the plates and insert 2 1/2″ screws into the studs. Place the studs equally-spaced and make sure the corners are square.

Build the back wall supports

Build the back wall supports

Build the rest of the components for the back wall of the greenhouse. Pay attention to the angle cuts, if you want to get a professional result.

Fitting the back wall supports

Fitting the back wall supports

Fit the back wall to the structure and secure it to the adjacent walls using galvanized screws. In addition, fit the rest of the components to the rafters, as described in the diagram. Drill pocket or pilot holes before inserting the screws.

Building the front door

Building the front door

Build the door out of 2×4 lumber. Cut the components at the right dimensions and lock them together with screws. Make sure the corners are right-angled before inserting the screws and leave no gaps between the components.

Attaching the door

Attaching the door

Fit the door to the opening and secure it to the structure with two hinges. Install a door latch to lock the door properly.

Barn greenhouse plans

Barn greenhouse plans

One of the last steps of the woodworking project is to take care of the finishing touches. Therefore, fill the pilot holes with wood putty and smooth the surface with 120-grit sandpaper.

Top Tip: If you want to enhance the look of the project and to protect the wooden barn greenhouse from decay, we recommend you to cover the components with paint or stain.

 

 

This woodworking project was about barn greenhouse plans. If you want to see more outdoor plans, we recommend you to check out the rest of our step by step projects. LIKE us on Facebook and Google + to be the first that gets out latest projects and to hep us keep adding free woodworking plans for you.












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