My dad was a general contractor in the summer, when he
wasn’t teaching school. One year a bad storm hit and a lot of roofs
needed replacing. One homeowner consulted with Dad about replacing the roof
himself, so Dad showed the guy how to lay down the felt and put on
shingles.
A few weeks later, Dad stopped by and the guy proudly
showed off his new roof. Dad discovered that the homeowner had started laying
the shingles at the top of the roof instead of the bottom, and all the shingles
were pointing bottom side up and overlapping the wrong way. The shingles would
scoop rather than shed any rain!
Luckily, after Dad showed the homeowner the problem, they
were able to tear off and reroof the house before another
rain.
