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Compound Joinery
August 22-27, 2010

This year's Compound Joinery Workshop will differ from the program of recent years in two important ways:

  • The coursework will be built around a real, full- scale project, versus the scale model approach we've taken in the past;
  • The resulting building is a collaboration with the previous week's 12'x16' Square Rule Workshop and will remain at the Pingree Park Campus to serve as a reception center.(see Mastering The Basics Of Square Rule Timber Framing);
  • The long axis of the 12'x16' floor plan will be extended 4 feet at each end. The gable rafters remain 16 feet apart and hip rafters join each new corner. Fill in will be with jack rafters and short commons. The resulting roof form is known as a Dutch Hip, signified by the small gable that remains. (see drawing below; the two extensions represent this course work);

 

The course will be structured as follows:

  • Roof math and joinery protocols for common rafters;
  • Traditional drafting solutions for complex roof work;
  • Advanced roof math for hip, jack, and porch common rafters, as well as porch plates and necessary gable wall timbers;
  • Layout, cut, and assemble same;

 

There will be a discussion of tenon joinery for jack and hip members and, if time allows, we will cut this joinery. If not, the joinery will be simple (but common in the modern workplace) housings with metal fasteners.

Students will leave the workshop and project with real world lessons on full-sized materials, handouts that reinforce the lessons (the basis of the classroom sessions), folded models of the geometry, and a grasp of the basic problem solving skills required to enter more complex roof work.

Level of skill is advised. However, no willing student will be denied access to this program, but without knowledge of common roof geometry one will be challenged to keep up. Calculator use is required, so read the manual and know how to use the device.

The instructor can manage multiple levels of skills and various learning styles, but the pace will be brisk. There will be plenty of time in the evenings to work with those who might fall behind.

For those students with some complex roof cutting experience, we will offer a fresh perspective on the process and production of complex shapes, given only timber size, roof pitch, and plan view dimensions.

The advanced students who demonstrate competency with these lessons will be challenged with more complex problems.

Minimum number of registrations for this workshop is 10.

Be sure to see our gallery page for more photos from compound workshops.


Taught by Curtis Milton