Scotch Valley Roof

CARP12 text book / or workbook P 95With additional notes for explanation

M. S. Martin

July 2005 - Reviewed June 2010

1. Locate Height of Minor Span Ridge

Cut a minor roof rafter and place it against the major roof rafter to locate this point.

Length of Ridge

2. Position the Ridge and Common Rafters to Minor Roof

Include a blocking piece to take end of ridge

3. Measure length of Lay Board

Use a block to locate positions.

4. Measure Creeper Rafters to cut in.

Scotch Valley Complete

Check Rafters as you install them.

Required Bevels

Plumb bevel C/R

Level Bevel C/R(base of creeper & Top of ridge)

Edge Bevel Creeper(Bottom edge of creeper & top of lay-board)

Edge Bevel Purlin(Bottom of Lay-board)