Wood & tear-off

Wood shake

Wood shakes were nailed to spaced boards with gaps between them. Shingles need a solid deck, so a shake roof gets new sheathing before the new roof goes on.

Tap the photo to flip it. The other side builds it one layer at a time.

Found

In the presentation, the front shows the company's own photo from the Explainers admin page, and the back plays this build-up.