Ancient Knowledge Tour of Roof Framing
San Francisco, California
The class is being held at the BuildZooms office in San Francisco
The class has been moved to BuildZoom's office in San Francisco
501 Folsom St, San Francisco, CA
8:00am to 5:00pm
Registration cost is $100.00
Make Checks payable to Sim Ayers and mail the check to:
5305 Laguna Ct.
Discovery Bay, CA 94505
Class Limit 30 students.
For students registering send an email to:
Sim Ayers for registration: firstname.lastname@example.org
With your Name & Address & Cell phone, just incase you get lost trying to find the
Starline Social Club
Tell us a little about yourself in your registration email,
pertaining to carpentry. So, Billy and I can gauge the speed to progress and type of roof framing knowledge presented in the class.
Simpson Strong Tie
JLC Magazine -- The Journal of Light Construction -- Hanley Wood Company
WindsorOne -- Protected Trim
This will be a hands on workshop/class on advanced roof framing.
Cut complex roofs like the master carpenters of Europe.
Tools required for the class:
2-45º drafting triangles
1-30º - 60° drafting triangle
framing square (no rafter tables needed)
colored drawing pencils
Japanese Pull Saw (handsaw)
Optional Tools for the class, if time allows for Hip Rafter Edge Bevel:
Topics covered in the workshop:
Roof Framing Kernel , with fold out and fold down roof surface planes
Rule of Thales, converting degrees to radians i.e. 57.3
Eyebrow Dormers, Groin Vaults, Curved Hip Rafters using ordinates
Scribing timbers using a French plumb bob
Transfer angles and lines to the stick (timber), grasshopper method.
Ad Quadratum -- Octagonal Roof Framing
Plumb To the Earth
Trait Car -- Perpendicular
Hexagonal Roof Framing
Layover Valley Rafter
'L'Art du Trait'
French Devers de pas drawing technique
German Shadow Line drawing technique
Rotated Hip Rafters
Roof Axis Plane
Pentagonal Roof Framing
Rafter Claw -- Barbe Angles
The Witches Cut
Square Tail Fascia Angles