How to Calculate Rafters for Intersecting Roof Planes the Easy Way - Fine Homebuilding
  • Video: Build a curved step
    Video: Build a curved step
  • All about Roofing
    All about Roofing
  • 12 Remodeling Secrets
    12 Remodeling Secrets
  • Slideshow: 12 Stunning Remodels
    Slideshow: 12 Stunning Remodels
  • 7 Trim Carpentry Secrets
    7 Trim Carpentry Secrets
  • Remodeling in Action
    Remodeling in Action
  • Master Carpenter Videos
    Master Carpenter Videos
  • Solid Deck-Framing Advice
    Solid Deck-Framing Advice
  • Tips & Techniques for Painting
    Tips & Techniques for Painting
  • Design Inspiration
    Design Inspiration
  • Gallery: Custom Flooring
    Gallery: Custom Flooring
  • Energy-Smart Details
    Energy-Smart Details
  • Video: Install a Fence
    Video: Install a Fence
  • Basement Remodeling Tips
    Basement Remodeling Tips
  • Clever daily tip in your inbox
    Clever daily tip in your inbox
  • 7 Small Bathroom Layouts
    7 Small Bathroom Layouts
  • 9 Concrete Countertops Ideas
    9 Concrete Countertops Ideas
  • Magazine Departments
    Magazine Departments
  • Read FHB on Your iPad
    Read FHB on Your iPad
  • 7 Smart Kitchen Solutions
    7 Smart Kitchen Solutions

Digital Job Site

Digital Job Site

How to Calculate Rafters for Intersecting Roof Planes the Easy Way

comments (0) January 26th, 2012 in Blogs
TheTimberTailor Matt Jackson, member

Intersecting roof plane rafters for a porch roofClick To Enlarge

Intersecting roof plane rafters for a porch roof

Plane and Simple

Using a rotary dial phone never seemed problematic to me, that is, until I tried the new-fangled touch-tone design. In comparison, figuring rafter layout with a framing square and rafter tables was acceptable until I got a construction calculator. And now, with access to SketchUp as a "visual calculator" rafter calculating is really plain and simple. (one of those plains is mispelled). This video shows how I go about modeling and measuring a shed roof rafter in 4.25:12 pitch:




The more I use SketchUp for this type of construction math, the more I come to rely on it. While there is no substitute to the depth of insight and knowledge of roof framing gained in the jobsite environment it's nice to have access to such a powerful tool for crunching layout numbers. All I need now is someone to show me how to text with my rotary dial phone and I'll be set...


You can download the Intersecting Roof Planes Model created in this blog post from the SketchUp warehouse by clicking here if you want to use it as a virtual guinea pig.

posted in: Blogs, framing, roof, rafter, shed, pitch, slope, angle, plane, square, intersecting, dormer

Comments (0)

Log in or create a free account to post a comment.