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This step by step diy project is about 16×24 pavilion with lean to roof plans. This pavilion has a ground area of 16 ft x 24 ft, but the roof is wider so it will protect more space. This pavilion features a post frame structure made from 6x6s and 6x8s. The roof has a lean to slope of 4:12. Make sure you read the local building codes before starting the project, so you get aware of the legal requirements and make the necessarily adjustments. Take a look over the rest of my woodworking plans, if you want to get more building inspiration. Premium Plans for this project available in the SHOP.
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
16×24 Pavilion with Lean to Roof Plans
Building a 16×24 pavilion
Cut & Shopping Lists
- A – 6 pieces of 6×6 lumber – 8′ long POSTS
- B – 2 pieces of 6×8 lumber – 168″ long, 2 pieces – 144″ long SUPPORT BEAMS
- C – 12 piece of 6×6 lumber – 42 3/8″ long BRACES
- D – 3 piece of 6×6 lumber – 52 3/4″ long, 2 pieces – 168″ long RIDGE BEAM
- D – 3 piece of 6×6 lumber – 23 5/8″ long, 2 pieces – 168″ long RIDGE BEAM
- E – 4 piece of 6×6 lumber – 58 1/4″ long BRACES
- F – 6 piece of 6×6 lumber – 33 1/4″ long BRACES
Tools
 Hammer, Tape measure, Framing square, Level
 Miter saw, Drill machinery, Screwdriver, Sander
 Concrete mixer, Post hole digger
 Safety Gloves, Safety Glasses
Time
 One weekend
Related
- PART 1: 16×24 Lean to Pavilion Plans
- PART 2: 16×24Â Lean to Roof Plans
It’s that easy to build a lean to pavilion!
16×24 Lean to Pavilion Plans – Laying out the posts
Laying out the posts
First, layout the posts for the 16×24 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
You need to set the posts in concrete (about 3-6′ deep – make sure you read the local building codes for accurate information) or use anchors. Use a post hole digger to make the holes. Pour a 2″ layer of concrete on the bottom of the holes so you level them. Fit the tube forms and then the 6×6 posts / fit the anchors. Use a spirit level to make sure the posts are plumb and then secure them temporarily into place with braces. Fill the tubes with concrete and let it dry out as shown on the bags. Make sure the top of the posts are level.
Building the frame of the pavilion
Top plates
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. 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.
Fitting the top plates
Fit the top rails to the sides of the pavilion. Notice the 24″ overhangs to the front 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
Fit the cross plates to the pavilion. Align the edges flush and drill pilot holes. Insert the 10″ screws to lock the cross plates into place tightly.
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.
Building the roof frame
Fitting the top supports
Center the 6×6 supports to the top of pavilion. Plumb the supports with a spirit level. Use 2 L brackets to secure the posts to the frame pavilion. Fit the ridge beam to the supports with post to beam connectors. Make sure the corners are square. Use 2 1/2″ structural screws to lock the connectors into place.
Fitting the top ridge beam
Fit the 6×6 beams to the top of the supports. Align the edges flush and make sure the corners are square. Use 2 T strong ties to secure the middle post to the top beams. Use post to beam connectors to secure the other supports to the top beams.
Fitting the middle ridge beam supports
Fit the 6×6 supports for the middle ridge beam. Use post to beam connectors and 2 1/2″ structural screws to lock it into place. Plumb the supports and lock them to the center of the support beams.
Fitting the middle ridge beam
Fit the supports for the middle ridge beam. Use post to beam connectors and 2 1/2″ structural screws to lock the supports into place tightly. Check if the corners are square. Notice the 24″ overhangs.
Braces to top ridge beam
Use 6×6 lumber for the braces. Make 45 degree cuts at both ends of the braces and lock them into place with 5 1/2″ screws, after drilling pilot holes. Align the edges flush and make sure the corners are square before inserting the screws.
Braces for middle ridge beam
Use 6×6 lumber for the braces. Make 45 degree cuts at both ends of the braces and lock them into place with 5 1/2″ screws, after drilling pilot holes.
16×24 Lean to Pavilion Plans – view
I recommend you to take a look over PART 2 of the project, where I show you how to build the lean to roof for the outdoor pavilion.
16×24 Lean to Pavilion Plans – side view
16×24 Lean to Pavilion Plans – front view
This garden pavilion with a lean to roof is large enough to shelter an outdoor corner dedicated to relaxation and hanging out with friends and family. The roof structure is strong enough for winds and snow, but I recommend you to read the local codes and make modifications, if necessary. You should also take a look over my 16×24 pavilion with lean to roof, as it makes for a more stylish alternative to this plan. Premium Plans for this project available in the SHOP.
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 16×24 pavilion with lean to 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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6 comments
Hello, looking at your pavilion plans (https://myoutdoorplans.com/pergola/16×24-pavilion-with-lean-to-roof-plans/).
They call for 6″x8″ lumber which is not available at Lowes, Menards or Home Depot and if it was, the lengths required by your plans would also be an issue. These plans would be much more useful if the materials could be sourced at one of the big three mentioned stores by your average person.
If you want to build something that large, you can at least do the effort to buy lumber from a proper lumberyard. You can’t build this with 2x4s from Home Depot.
I purchased the plans, thank you. Wish the content on the website was also included in the PDF (it’s not identical, and you’d think the pdf would provide more information, not less. My question is: is the entire concrete pad poured when the posts are set? I’ll be building this in the late spring, looking forward to it!
Usually the slab is poured last.
Any chance you have plans for this layout but minus the yellow section? I purchased as is, but would love to eliminate the top portion, raise the top front slightly, less pitch. Given lumber prices, would be so much more affordable, also less busy. I don’t love the look of the double diagonal supports.
Hi. All plans come as they are, and there is a reason for the structure. If you remove that, you would need 2x12s for the rafters.