Terminology Flashcards
1
Q
What is a top lap
A
The lap of the underpayment that runs parallel to the eaves
2
Q
End lap
A
Underlayment at the end of the roll
3
Q
Substrait
A
Roof frame
4
Q
Rake
A
Outside edge
5
Q
Drip edge
A
Shingle overhang for gutters
6
Q
Apron flashing
A
Extra layer of shingles
7
Q
Dormer
A
Housing for window that protrudes out
8
Q
Sheathing
A
Decking (plywood or OSB = oriented strand board)
9
Q
Pitch
A
Slope of a roof
10
Q
Baffle
A
Egg carton thing in attic that protects soffit vents from being clogged and wind washing insulation
11
Q
Ponding
A
Water staying on top of roof for more than 48 hours is problematic
12
Q
Alligatoring
A
When a surface breaks down and cracks due to exposure
13
Q
What is mud jacking
A
Drill holes in concrete and pump in slurry to jack up concrete
