Flashcards in Roofing Deck (19)
What are ceiling baffles and what material are they made out of?
Directs airflow to attic and prevents airflow to enter house. Made up is cardboard or typly
What is an H clip used for?
Supporting OSB to trusses
How many bundles of common shingles constitute one square?
3= 1 square
What is it meant by self sealing shingle?
Shingles that have a material that melts the overlapping shingle together
What is the recommended exposure dimension of shingles?
What is meant by architectural/dimension shingles?
What are Cap Shingles?
Layer of shingles vet a ridge vent
What is the purpose of roof flashing?
Material used to cover open joints of exterior such as riff valley joints
What do you use to secure the shingles to the roof?
Four 1" galvanized nails placed 1/2" above the cut outs
How many square feet does a square of shingles cover?
100 square feet
What is the steepest roof pitch?
Located at the top of a sloped roof and vertical wall. Ex: bay window, porch roof.
Flashing installed in a roof valley. Ice and water shield used here
Flashing used at all roof/wall intersections. 5x7 black flashing that is overlapped in a stair stepped method.
Used to cover open joints of exterior ex: windows and doors
Ice and water shield
Membrane used as a vapor barrier. Used fire Eve and valley flashing.
What is a ridge vent and what is is it's purpose?
Takes air out of roof system. It is passive ventilation system.
What is meant by lacing shingles?
Laced shingles at valley of roof