Difference between revisions of "Add a Lean To Onto a Shed"
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# Fasten the nailer to the side of your existing building where you will attach the upper end of your rafters. | # Fasten the nailer to the side of your existing building where you will attach the upper end of your rafters. | ||
#*To attach a wooden nailer to a metal-sided building, use a self-drilling screw with sufficient threads to hold the nailer tightly. If possible, nail through the siding into the building's framing members. | #*To attach a wooden nailer to a metal-sided building, use a self-drilling screw with sufficient threads to hold the nailer tightly. If possible, nail through the siding into the building's framing members. | ||
| − | #*Regardless of what method you choose to attach this member, make sure it is fastened securely. This is critical because the nailer it will support the weight of the roofing, the framing and the person performing the installation. | + | #*Regardless of what method you choose to attach this member, make sure it is fastened securely. This is critical because the nailer it will support the weight of the roofing, the framing and the person performing the installation. |
# Lay out the rafter spacing on the upper and lower nailers. | # Lay out the rafter spacing on the upper and lower nailers. | ||
#*Starting at 1 end, measure the span you determined to use when you designed the building, and mark each space. | #*Starting at 1 end, measure the span you determined to use when you designed the building, and mark each space. | ||
| − | #*Marking the edge of the rafter rather than its center will make the mark more visible when you position the rafter. | + | #*Marking the edge of the rafter rather than its center will make the mark more visible when you position the rafter. |
# Determine the roof pitch by stringing a line from the top rafter attaching point to the bottom one. | # Determine the roof pitch by stringing a line from the top rafter attaching point to the bottom one. | ||
#*Hold a speed square (also known as a rafter square) plumb against the top nailer where your string is fastened. | #*Hold a speed square (also known as a rafter square) plumb against the top nailer where your string is fastened. | ||
| − | #*Read the angle on the square's angle scale. | + | #*Read the angle on the square's angle scale. |
# Cut 1 end of the rafters at the angle given to you by the speed square. | # Cut 1 end of the rafters at the angle given to you by the speed square. | ||
#*Test the cut by holding the rafter in position. If the cut does not fit tightly, adjust it. A good fit will increase the hold of your nails when you attach the rafters. | #*Test the cut by holding the rafter in position. If the cut does not fit tightly, adjust it. A good fit will increase the hold of your nails when you attach the rafters. | ||
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# Install any partitions you will use to divide the lean-to's floorspace into different usable areas. | # Install any partitions you will use to divide the lean-to's floorspace into different usable areas. | ||
#*The shed in the photos is {{convert|10|ft|m|1}} wide and {{convert|21|ft|m|1}} long, so a partition was installed to create a 7x10-foot space on one side, and a 14x10-foot space on the other. | #*The shed in the photos is {{convert|10|ft|m|1}} wide and {{convert|21|ft|m|1}} long, so a partition was installed to create a 7x10-foot space on one side, and a 14x10-foot space on the other. | ||
| − | #*This partition was created by installing steel stud purlins between one of the outboard support posts and a nailer fastened vertically to the existing shed wall. | + | #*This partition was created by installing steel stud purlins between one of the outboard support posts and a nailer fastened vertically to the existing shed wall. |
# Add doors as needed. Choose a pre-framed exterior door to make the job simple. You will still need to install some kind of framing yourself. | # Add doors as needed. Choose a pre-framed exterior door to make the job simple. You will still need to install some kind of framing yourself. | ||
# Add flooring. If you want an earth floor, then you can skip this step. If you prefer a wooden floor, then lay your flooring material over the skids that served as your foundation. | # Add flooring. If you want an earth floor, then you can skip this step. If you prefer a wooden floor, then lay your flooring material over the skids that served as your foundation. | ||
