Place the pivot point of the carpenter’s square on back mark of the birdsmouth cut and pivot the square until the “2” line intersects with the bottom of the rafter.Mark the front of the birdsmouth cut 3-1/2” in front of the back line for the birdsmouth cut and mark the reference line using a carpenter’s square.Mark the back line of the birdsmouth cut as a refernce line using a carpenter’s square.
To make the birdsmouth cut at the front of the rafter, you will follow the exact same steps that were performed for the birdsmouth cut at the back of the rafter. Prepare to make the birdsmouth cut at the front of the shed roof rafter However, you want to make adjustments as needed to ensure that the edges of your plywood roof decking will land in the center of a roof rafter.įor the 10’x10′ lean to shed roof that was constructed as the example for this article, the following rafter spacing was used. Roof rafters are typically spaced 12″ or 16″ O.C. Determine Your Shed Roof Rafter SpacingĪfter determining the length of the lean to roof rafters, spend some time thinking about your shed roof rafter spacing. Areas with high snow loads will likely require larger roof rafters.
#RAFTER SPACING CODE#
Important Note: Consult with local code requirements regarding roof rafter sizing. For spans larger than 10′, consult a rafter span chart. For spans ranging from 4′ – 10′, 2″圆″ roof rafters are recommended. For spans 4′ – 6′, 2″x4″ rafters should be fine. When considering what size lumber to use for your lean to shed roof rafters, consider the span from front wall to back wall of the shed. Additionally, if you are more of a visual learner, you can check out my “How to Frame a Lean to Shed Roof” YouTube Video linked at the end of this article.Ĭut the lean to shed roof rafters to size with a miter or circular saw
#RAFTER SPACING INSTALL#
Finally, fasten the rafters to the to shed walls with rafter ties and install the plywood roof decking on top of the lean to shed roof.īy following the steps within this guide, you will be able to build and frame a lean to shed roof like a pro. Next, plan out your lean to shed roof rafter spacing and position the rafters in place. Make your birdsmouth cuts on the front and back of the rafter which will allow the rafter to sit flat upon the shed wall’s top plates. To build a lean to shed roof, start by determining the length of your roof rafters and the desired overhang at the front, back, and sides of the shed.
#RAFTER SPACING HOW TO#
Learning how to build a lean to shed roof is very simple overall – but the birdsmouth cut (described herein) can make lean to shed roof framing seem intimidating to some. A lean to style shed roof is one of the simplest and most durable shed roof options available.
0 kommentar(er)
