Home 14x20 14×20 Lean to Pavilion – Free DIY Plans

14×20 Lean to Pavilion – Free DIY Plans

by Ovidiu

 

This step by step diy woodworking project is about a 14×20 outdoor pavilion with lean to roof plans. This pavilion is easy to build and you can save a ton of money by getting the job done by yourself. The roof has a 4:12 roof pitch. This pavilion is built on 6 posts and it is large enough to serve dinner or to hang out with friends. Take a look over the rest of our woodworking plans, if you want to get more building inspiration. Check out the Shop, as well, for full list of Premium Plans.

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.

 

 

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14×20 Lean to Pavilion – Free DIY Plans

Building-a-14x20-lean-to-shed

Building-a-14×20-lean-to-shed

 

Cut & Shopping Lists

  • A – 6 pieces of 6×6 lumber – 8′ long POSTS
  • B – 2 pieces of 6×8 lumber – 10′ long, 2 pieces – 132″ long TOP PLATES
  • C – 3 pieces of 6×8 lumber – 14′ long TOP PLATES
  • D – 12 pieces 6×6 lumber – 48″ long BRACES
  • E – 3 pieces of 6×6 lumber – 45 1/4″ long, 3 pieces – 18 1/4″ long RIDGE BEAM SUPPORTS
  • E – 4 pieces of 6×8 lumber – 132″ long RIDGE BEAMS
  • F – 6 pieces of 6×6 lumber – 30″ long BRACES

Tools

 Hammer, Tape measure, Framing square, Level

 Miter saw, Drill machinery, Screwdriver, Sander

 Safety Gloves, Safety Glasses

Time

 One day

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14×20 Lean to Pavilion Plans

Laying-out-the-posts-for-the-14x20-pavilion

Laying-out-the-posts-for-the-14×20-pavilion

First, layout the posts for the 14×20 outdoor pavilion. Use batter boards and string to determine the location of the posts. Apply the 3-4-5 rule to every corner of the pavilion, so you make sure they are right angled. Make sure the diagonals are equal. We are going to use 6×6 posts for this pavilion project.

Determining the location for the pavilion is essential, as you have to comply with the local building codes. Make sure the surface is level and remove the vegetation layer. 

Anchoring the post into concrete

Anchoring the post into concrete

Dig 3 ft holes into the ground, making sure they have about 16″ in diameter. Fit the tubes then the posts into the ground and plumb them with a spirit level. Let the concrete dry out for several days. Read the local codes for more details on how to secure the posts. Install the anchors. 

Fit the posts to the anchors and plumb them with a spirit level. Use temporarily braces to make sure the posts are locked into placed while filling the holes with concrete. Use lag screws to secure the posts to the anchors. Before pouring the concrete you need to make sure the top of the posts are horizontal one to another. Use a laser to mark the level to the top of the posts and use a circular saw, if you need to make cuts.

Top plate beams

Top plate beams

Use 6×8 lumber for the top rails. Mark the cut lines on the beams and then make the cut outs with a circular saw and a chisel. Smooth the surface with sandpaper. Set the circular saw at 3 5/8″ and then make parallel cuts inside the marked areas. Clean the recess with a chisel and sandpaper. We need these large beams since the openings are very wide.

Fitting-the-side-top-plates

Fitting-the-side-top-plates

Fit the top rails to the sides of the pavilion. Notice the 12″ overhangs to the back of the pavilion. Drill pilot holes through the plates and insert 8″ screws to lock them to the posts. Use 2 screws for each joint. Make sure the corners are square and plumb the posts vertically, before attaching the support beams.

Fitting-the-cross-beams

Fitting-the-cross-beams

Fit the cross plates to the pavilion. Align the edges flush and drill pilot holes. Insert the 8″ screws to lock the cross plates into place tightly.

Fitting-the-braces-to-the-pavilion-frame

Fitting-the-braces-to-the-pavilion-frame

Build the braces for the front and back of the pavilion from 6×6 lumber. Use a miter saw to make 45 degree cuts to both ends of the braces. Fit the braces to the posts, after you plumb them vertically. Drill pilot holes and insert 5 1/2″ screws to secure the braces into place tightly. Also, you need to make sure the corners are square before attaching the diagonal braces. 

Fitting-the-supports-for-ridge-beams

Fitting-the-supports-for-ridge-beams

Fit the 6×6 supports to the top of the pavilion. Use post to beam connectors to lock the middle supports into place tightly. Secure the connectors with 2 1/2″ structural screws. Plumb the posts with a spirit level before locking them into place.

Use 2 L shaped connectors to secure the side supports. Insert 2  1/2″ structural screws to lock the connectors into place. Plumb the supports with a spirit level before securing them into place tightly.

Fitting-the-ridge-beams

Fitting-the-ridge-beams

Fit the 6×8 ridge beams to the top of the supports, making sure the overhangs are equal on both sides. Use post to beam connectors to secure the beams into place. Use a spirit level to check if the beams are perfectly horizontal. 

Braces-for-top-ridge-beam

Braces-for-top-ridge-beam

Cut the braces for the tall ridge beam at 48″. Plumb the supports with a spirit level and check if the corners are square. Drill pilot holes through the braces and insert 5 1/2″ screws to lock them into place tightly.

Fitting-the-braces-for-middle-ridge-beam

Fitting-the-braces-for-middle-ridge-beam

Use 6×6 lumber for the diagonal braces that will reinforce the middle ridge beams. Make 45 degree cuts at both ends of the braces. Secure the braces into place with 5 1/2″ screws. Drill pilot holes before inserting the screws.

14x20-Gable-Pavilion-Plans---front-view

14×20-Gable-Pavilion-Plans—front-view

Check out PART 2 of the project to learn how to build the lean to roof for this large gazebo.

14x20-Gable-Pavilion-Plans

14×20-Gable-Pavilion-Plans

Fill the holes with wood putty and let them dry out for a few hours. Smooth the surface with 100-220 grit sandpaper and remove the residues with a damp cloth.

Top Tip: Apply a few coats of paint or stain to the components, to enhance the look of the project. Premium Plans for this project available HERE. Check out the Shop, as well, for full list of Premium Plans. If you want to get PREMIUM PLANS for this project, in a PDF format, please press GET PDF PLANS button bellow. Thank you for the support.

 

 

This woodworking project was about 14×20 pavilion with lean to 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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1 comment

James Parker -

Hello. Is there a way to get the same type of plans for a 14 x 18 Lean To style pavillion with only a 1 foot difference in the roof slope from one side to the other?

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