Roof

Question 1

steep slope roof

Answer 1

2:12 inches or greater

Relies on underlayment to provide water resistant barrier

Question 2

low slope roof

Answer 2

1/4:12 to 2:12

Question 3

Describe absestos cement tiles?

shape, thickness, when were they banned?

Answer 3

squares or rectangles but can appear polygons. Thickness of 1/8”-1/4” (better quality), variety of colors.

Banned in 1973

Question 4

Defects of absestos cement tiles?

Answer 4

-absent shingles
-cracked/damaged shingles, potentially allow friable asbestos
-roof penetration in a valley

Question 5

1 square =

Answer 5

100 square feet

Question 6

3 types of asphalt shingles styles

Answer 6

3-tab strip: least expensive, found on many homes. Flat profile, usually w/ 20 yr warranty.
Dimensional: raised profile, 25-30 yr warranty
Laminated: most expensive, 2 shingles bonded together to present a more raised profile. 35+ yr warranty. (framing issues may be present)

Question 7

How are shingles installed?

Answer 7

Attached with roofing nails at least 3/4” into the sheathing. Nail location is important.

Question 8

What is lap cement and flashing cement used for?

Answer 8

Flashing cement is thicker consistency and intended for vertical surfaces.

Lap cement is thinner and intended to bond shingles together.