Home Carport 12×30 Pavilion Lean to Roof Plans

12×30 Pavilion Lean to Roof Plans

by Ovidiu


This step by step diy woodworking project is about a 12×30 Pavilion Lean to Roof Plans. This is PART 2 of the rectangular pavilion project, where I show you how to build the slanted roof. This roof has a 2:12 pitch, but you can adjust it super easily. You can play with the roof pitch to suit your needs. Take a look over the rest of my 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




12×30 Pavilion Lean to Roof Plans




Cut and Shopping Lists


 Hammer, Tape measure, Framing square, Level

 Miter saw, Drill machinery, Screwdriver, Sander

 Safety Gloves, Safety Glasses


 One day




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How to build a 12×30 lean to pavilion roof



Use 2×6 lumber for the rafters. Mark the cut lines to the rafters and then get the job done with a circular saw. Smooth the edges with sandpaper. Make the birdsmouth notches into the rafters, so you can fit them into place tightly.



Fit the rafters to the top of the pavilion, using the information from the diagram. It is important to space the rafters properly (every 16″ on center), otherwise you won’t be able to attach the roofing sheets. Use hurricane rafters ties and 1 1/2″ structural screws, to lock the rafters at both ends, to the top plates and ridge beams.



Use 1×4 boards for the purlins. We will need these components to support the metal roof sheets. Notice the 8″ overhangs on both sides of the pavilion. Place the purlins every 24″ on center and use 1 5/8″ screws to lock the purlins into place tightly.



Fit 1×6 trims to the front and back of the pavilion. Align the edges with attention and insert 2″ nails to lock them into place tightly.



Fit the 1×6 trims to the sides of the pavilion roof. Make the angle cuts to the trims before locking them into place with 2″ nails.



Cover the roof with metal roof sheets. Align the edges and insert metal roof screws to lock the sheets to the purlins. Make sure you finish everything off with metal roof trims along the edges.

12x30 Carport - side view

12×30 Carport – side view

Fill the holes with wood putty and let them dry out for a few hours. Smooth the surface with 100-200 grit sandpaper and remove the residues with a damp cloth. Apply a few coats of stain or paint to enhance the look of the pavilion.

12x30 Carport

12×30 Carport

Don’t forget to take a look over PART 1 of the project, so you learn how to build the frame of the 12×30 pavilion. This pavilion is sturdy and it features a very elegant design that puts and emphasis on cost efficiency and durability. See all my woodworking plans, sorted by category.




This woodworking project was about 12×30 backyard pavilion roof 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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