16×18 Gable Pavilion – Free DIY Plans

Ovidiu 0 GapDice RANDOM PLAN

This step by step diy woodworking project is about a 16×18 outdoor gable pavilion plans. This is a large pavilion built on a sturdy 6×6 and 6×8 framing, so you can enjoy your garden and still have a roof that protects you from the sun or from the rain. The roof for this pavilion has a pitch of 6:12. Make sure you take a look over the local building codes, so you comply with the regulations. Take a look over the rest of our woodworking plans, if you want to get more building inspiration. Premium Plans for this project available Here. 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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16×18 Gable Pavilion – Free DIY Plans

Building-a-gable-pavilion-16x18

Building-a-gable-pavilion-16×18

 

Materials

  • A – 6 pieces of 6×6 lumber – 8′ long POSTS
  • B – 4 pieces of 6×8 lumber – 128″ long TOP PLATES
  • B – 3 pieces of 6×8 lumber – 16′ long CROSS PLATES
  • C – 12 pieces of 6×6 lumber – 42″ long BRACES
  • D – 3 piece of 6×6 lumber – 41 1/8″ long TOP RIDGE BEAM
  • D – 2 pieces 6×6 lumber – 128″ long RIDGE BEAMS
  • E – 4 pieces of 6×6 lumber – 48″ long BRACES

Tools

 Hammer, Tape measure, Framing square, Level

 Miter saw, Drill machinery, Screwdriver, Sander

 Safety Gloves, Safety Glasses

Time

One week

Related

  • PART 1: 16×18 Pavilion Plans
  • PART 2: 16×18 Pavilion Roof Plans

 

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How to build a 16×18 pavilion

Laying-out-the-posts

Laying-out-the-posts

First, layout the posts for the 16×18 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. 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.

Setting the posts in concrete

Setting the posts in 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. Use temporarily braces to make sure the posts are locked into placed while filling the holes with concrete. Let the concrete dry out for several days. Read the local codes for more details on how to secure the posts.

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 plates

Top plates

Next, we will be building the top plates for the large gable pavilion. Therefore, this pavilion requires at least 6x8s, due to the large spans on the front and back. As you can see in the diagram, you need to make 3 5/8″ notches to the beams, so you can lock them together tightly. Use a circular saw to make parallel cuts inside the marked areas and remove the excess with a chisel. Smooth the recesses with sandpaper.

Fitting-the-side-top-plates

Fitting-the-side-top-plates

Fit the top rails to the sides of the pavilion. Notice the20″ overhangs to the front and 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.

Fitting-the-cross-beams

Fitting-the-cross-beams

Next, 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

Fitting the braces

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.

Fitting-the-supports-for-the-ridge-beams

Fitting-the-supports-for-the-ridge-beams

Center the 6×6 supports to the top of pavilion. Plumb the supports with a spirit level. Use post to beam connectors to secure the supports to the frame of the pavilion. Insert 2 1/2″ structural screws to lock the beams together tightly, using the connector. 

Fitting-the-ridge-beams

Fitting-the-ridge-beams

Fit the 6×6 beams to the top of the supports. Notice the 20″ overhangs to the front and back of the pavilion. Use post to beam connectors with 2 1/2″ structural screws to lock everything together tightly. Insert 2 1/2″ structural screws through the connector. Make sure the corners are square and align the edges flush.

Fitting-the-braces-for-the-ridge-beams

Fitting-the-braces-for-the-ridge-beams

Use 6×6 lumber for the braces. 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. Use at least 2 screws for each joint. These braces will really reinforce the structure and add extra-support to the ridge beams. 

How-to-build-a-16x18-gable-pavilion

How-to-build-a-16×18-gable-pavilion

Check out PART 2 of the project to learn how to build the gable roof. You can see in this image the overall dimensions for the gable pavilion. This is really useful because it can shelter a picnic table or even an outdoor entertainment area. It is really cool, but also relatively affordable and easy to build.

16x18-garden-pavilion-plans---side-view

16×18-garden-pavilion-plans—side-view

 

16x18-pavilion-plans---DIY-project

16×18-pavilion-plans—DIY-project

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.

 

 

This woodworking project was about 16×18 gable pavilion 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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