How to build a lean-to glasshouse
Rebates and trenches
For the purpose of this article a 'rebate' is a recess cut into the edge of a framing member. A rebate runs lengthwise (with the grain).
Its primary purpose is to house the glass panes.
A 'trench' is a groove cut across a framing member (across the grain).
Its primary purpose is to house the end/s of a framing member (stud, nogging).