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Whether you’re building a new shed from scratch or rebuilding after damage, proper framing will help your shed stand the test of time. In this guide, we’ll walk you through the process of framing a shed, from the foundation to the roof. Make sure to also check out the video above to see how This Old House general contractor, Tom Silva, and host Kevin O’Connor put together a new chicken coop shed for mason Mark McCullough.
Shed Framing Basics
Before diving into the framing process, let’s cover the fundamental components of a shed’s frame. These elements work together to create a strong, stable structure that can withstand various weather conditions and support the weight of your stored items.
A stud wall is the backbone of your shed’s frame. It consists of several key components:
- Cripple studs: Short studs supporting framing above and below openings.
- Headers: Additional structure framing the top of window or door openings.
- Jack studs: Shorter studs supporting headers on the inside of openings.
- King studs: Full-length studs running from top to bottom plate, supporting jack studs.
- Plates: Horizontal boards that sandwich the studs at the top and bottom.
- Sheathing: Plywood or oriented strand board (OSB) that encloses the walls.
- Sills: Additional structure framing the bottom of window openings.
- Studs: Vertical two-by-four or two-by-six boards, typically spaced 16 inches on center.
Start With a Shed Plan
You’ll need a comprehensive plan and design for your plan. Consider these factors to create your strategy:
- Local building code requirements and necessary permits
- Location and size of doors and windows
- Material list, including lumber, fasteners, and tools needed
- Precise measurements of the shed’s dimensions
- Roof pitch and style
Choose a roof pitch that suits your needs and local climate. A 45-degree pitch, also known as a 12/12 pitch, means the roof rises 12 inches for every 12 inches of horizontal run, offering excellent drainage while looking great.
Tools and Materials to Frame a Shed
With your plan in place, gather all the required materials and tools. Common items you’ll need include:
- Chalk line
- Chisels
- Circular saw
- Concrete anchors
- Framing lumber (two-by-fours or two-by-sixes and one-by-fours)
- Framing nailer
- Framing nails
- Hammer
- Hammer drill
- Level
- Plywood for sheathing
- Pressure-treated lumber for the base
- Roofing materials
- Tape measure
You’ll also need someone to help you when it’s time to raise the shed walls.
When deciding between roofing materials, asphalt shingles are popular due to their durability and cost-effectiveness. However, metal roofing or other options may be more suitable based on your preferences and climate conditions.
How To Frame a Shed
From the foundation to the roof, here are the steps you’ll need to follow to frame your shed.
Prepare the Site and Lay the Foundation
If you haven’t yet, you’ll need to prepare the site for your shed and then lay the foundation. Start by clearing and leveling the area. Make sure water will drain away from the location to prevent future damage to the foundation. A solid foundation will help your shed remain level, dry, and structurally sound.
Install the Sill Plate
Once your foundation is in place, install a pressure-treated sill plate. This creates a barrier between the wood frame and the masonry foundation, preventing moisture damage. It will also prevent the shed from lifting or sliding off the foundation.
- Use four-by-six pressure-treated lumber for the sill plate, half-lapping the corners for added strength.
- Secure the sill plate to the foundation using mechanical fasteners.
- Drill through the pressure-treated lumber and into the masonry, then tighten the fasteners to lock the sill plate in place.
Cut and Mark the Plates
Now, it’s time to start building the actual frame and skeleton for the walls that will support the roof and siding.
- Cut the top and bottom plates for each wall. The long walls should run from corner to corner of the foundation, while the shorter walls fit between them.
- Stack the top and bottom plates together and mark them for studs, typically spaced 16 inches on center.
- Use an “X” to mark full-length (king) studs and an “O” for shorter (jack) studs that support headers.
- Mark header locations for windows and doors on the top plate.
Assemble the Wall Frames
To start putting the frames together:
- Lay out the top and bottom plates on a flat surface, such as the shed floor.
- Place the king studs on the “X” marks and the jack studs on the “O” marks.
- Assemble headers by sandwiching a piece of 3/4-inch plywood between two two-by-eights cut to the appropriate length.
- Using a nail gun, nail through the top plate into the headers and studs. Nails should be placed every 6–8 inches.
- Repeat step four with the bottom plate.
- At each end, add a perpendicular stud to form an inside corner.
Raise and Secure the Walls
You’ll need at least one assistant for this step.
- With help, lift each wall frame into place on top of the sill plate.
- Use a framing nailer to secure the bottom plate to the sill plate.
- Brace the walls with scrap lumber to keep them steady while you work on the remaining walls.
- Once all walls are in place, nail through the end studs of the shorter walls into the inside corners of the longer walls to tie everything together.
Install Diagonal Bracing
Next, you’ll have to add structural support so the shed can withstand wind. Diagonal bracing improves the overall durability and stability of the shed.
Cut one-by-four boards to fit diagonally from corner to corner on each wall. Let these braces into the studs by cutting shallow notches, then nail them securely in place.
Install Rafters
With your roof pitch, style, and width of the shed in mind, do the following:
- Cut the rafters.
- Place them at the same spacing as your wall studs, typically 16 inches on center.
- Secure the rafters to the top plates of your walls and to a ridge board at the peak of the roof.
- For additional strength, install collar ties between opposing rafters. They help prevent the roof from spreading under heavy loads, such as a lot of snow.
Install Roof Sheathing and Covering
Before applying roofing materials, install plywood or OSB sheathing over the rafters to create a solid base. Securely nail the sheathing to the rafters.
Add Roofing Materials
Finally, you’ll want to install your chosen roofing material. Install flashing around any roof penetrations, such as vents or chimneys, to prevent leaks. Add ridge caps along the peak of the roof to completely seal the shed from the elements.
Our Conclusion
When you’re building a shed, it’s important to frame it correctly so it can stand up against the elements and better protect your property. By following these steps, you can create a well-built shed that will last for years to come.
