12×12 Pavilion Plans

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This step by step diy woodworking project is about a 12×12 outdoor pavilion plans. I have designed this beautiful pavilion so you can create some shade in your backyard while being protected from rain and ultraviolet rays. The frame of the pavilion is built using 6x6s for a beefy look and for extra-sturdiness. Take a look over the rest of our 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.

 

 

Projects made from these plans

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12×12 Pavilion Plans

Building a 12x12 pavilion

Building a 12×12 pavilion

 

  • A – 4 pieces of 6×6 lumber – 96″ long POSTS
  • B – 2 pieces of 6×6 lumber – 144″ long, 2 pieces – 168″ long TOP PLATES
  • C – 2 pieces of 6×6 lumber – 64 1/2″ long, 1 piece – 168″ long TOP RIDGE
  • C – 2 pieces of 6×6 lumber – 48″ long, 8 pieces – 36″ long BRACES

 One day

 

 

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How to build a 12×12 pavilion

Laying out the posts

Laying out the posts

The first step of the project is to layout the posts for the 12×12 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. Moreover measure the diagonals and make sure they 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.

Anchoring the posts of the anchor

Anchoring the posts of the anchor

There are several ways to lock the posts into place. Therefore, you could dig 2′ holes in the ground and set the posts into concrete, or you could use post anchors. Use tube forms so that the footing will be really strong.

Fitting the posts

Fitting the posts

If you want to set the posts in concrete, then you need to use temporarily braces. Plumb the posts with a spirit level. Read the local building codes for finding the right depth of the footings. It is essential to set the footing at the right depth to avoid them being heaved by the Winter freeze/thaw cycle.

If you go for footings, you have to dig holes with a 14″ diameter. After digging the holes set the concrete forms and then fill them with concrete. Fit the anchors and align them with attention. After the concrete dries, fit the 6×6 posts and plumb them.

Building the top plates

Building the top plates

Use 6×6 lumber for the top plates of the pavilion. As you can notice in the plans, you have to make notches to the beams, so you can join then them together. Mark the areas and then make parallel cuts with a circular saw set at a depth of 2 3/4″. Remove the excess material with chisel and smooth the recess with sandpaper.

Fitting the side plates

Fitting the side plates

Fit the rails to the sides of the pavilion, so there are 12″ overhangs. Align the edges flush, making sure the corners are square, drill pilot holes and insert 5 1/2″ screws.

Fitting the top plates

Fitting the top plates

Continue the project by attaching the other beams. Align the edges with attention, making sure the corners are square. Drill pilot holes and insert 5 1/2″ screws to lock them together tightly.

Fitting the braces

Fitting the braces

If you live in a windy area, you should add braces to the frame. Make 45 degree cuts to both ends of the braces and then secure them into place with screws.

Fitting the top ridge

Fitting the top ridge

Use 6×6 lumber for the top ridge and for its supports. Cut the beams at the right dimensions and then smooth the edges with sandpaper. Center the supports to the front and back top plates and then plumb them with a spirit level. Use hardware to secure the supports into place tightly.

Center the top ridge to the top of the supports and then lock it into place with screws or metal lumber connectors. As you can see in the plans, you should make 45 decorative cuts to both ends of the top ridge beam.

Fitting the top braces

Fitting the top braces

Fit the 4×4 braces to the top ridge. Make sure the corners are square before fitting the braces into place.

12x12 Pavilion Plans

12×12 Pavilion Plans

You should check out PART 2 of the 12×12 pavilion plans, so you learn how to build the roof.

12x12 Pavilion Plans - Side view

12×12 Pavilion Plans – Side view

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.

 

 

This woodworking project was about 12×12 outdoor 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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