1. Advantages
1.1. Long Life
1.2. low initial cost
1.3. Fire resistant
1.3.1. Class A - High resistant
1.3.2. Class B- Moderate resistant
1.3.3. Class C - Light resistant
1.4. Low Maintenace
1.5. Weather resistant
1.6. Good aesthetics
2. Storage
2.1. In dry cool place
2.2. Stack no more than 4 feet high
2.3. store on raised platform
3. Application
3.1. underlayment
3.1.1. synthetic
3.1.1.1. installed according to manufacturers instructions
3.1.1.2. have own fasteners
3.1.1.3. watertight up to 6 months
3.1.2. #15 felt
3.1.2.1. min side lap 2" min end lap 6"
3.1.2.2. organic
3.1.2.3. nailed or stapled
3.1.3. secondary protection
3.1.4. seperation sheet
3.1.5. double layer for slopes less than 4/12
3.1.6. overlap valley min 6"
3.1.7. cover eave protection
3.2. eave protection
3.2.1. ice and water
3.2.1.1. stops leaks caused my ice dams
3.2.2. 12" Horizontally past the inside of the exterior wall
3.2.3. not required if there is more than 36" overhang, House is not heated and 8/12 or steeper pitch (Not applicable for RCABC Jobs)
3.3. Starter Strips
3.3.1. Aids water shedding
3.3.2. Covers keyways of first shingles
3.3.3. Installed on Eaves and Rakes
3.4. Shingles
3.4.1. Minimum installation slope 2/12
3.4.2. RCABC min offset 5" (IKO 6")
3.4.3. Fastened along common bond
3.4.3.1. 4 Fastners required for standard conditions
3.4.3.2. 6 Fastners required for high wind, snowy areas and steep slopes.
3.4.3.2.1. 3 quarter size tabs of mastic for cold conditions and slope 21/12 plus.
3.4.3.3. Accepted fasters are hot dipped galvanized, Stainless steel and Aluminum
3.4.3.4. Penetrate 3/4" into wood sheathing
3.4.3.4.1. RCABC Minimum plywood thickness 16" OC = 1/2" Thickness 24" OC = 5/8" Thickness
3.4.3.4.2. BC Building Code Minimum Plywood Thickness 16" OC = 1/4" 24" OC = 3/8"
3.4.3.5. Improper installation of Fastners must be removed, fill hole with mastic and re-fastened nearby
3.4.3.6. Shingles must be fastened one inch from ends and 3 inches from keyways
3.4.4. Optimum application Temp 10-23 degrees Celsius
3.4.5. Shingles minimum extension over eaves 1"-1.5" and rakes is .5"- 1"
3.4.6. No smaller than 5" accept rafter tails.
3.5. valleys
3.5.1. standard
3.5.2. california
3.5.3. 2" gap from centre of valley
3.5.4. nailed 6" away from valley
3.6. Ridge Caps
3.6.1. Must be installed one inch in from side and under adhesive strip.
3.7. Flashings
3.7.1. Step flashings
3.7.1.1. RCABC 5" on wall and 4" on Deck
3.7.1.2. BC Code 3" on wall and 3" on Deck
3.7.1.3. Must extend 3" past front of curb
3.7.1.4. Must have 3" overlap
3.7.2. Apron Flashing
3.7.2.1. RCABC 5" on wall and 4" on Deck
3.7.2.2. BC CODE 3" on wall and 4" on Deck
3.7.2.3. Must extend 4" past the curb
3.7.3. Backpan
3.7.3.1. RCABC and BC CODE 18" on deck and 6" on wall.
3.7.3.2. Must extend 4" past curb
3.7.3.3. 1/4" to 1/2" capillary cut required
3.7.4. Valley
3.7.4.1. Valley width typically 24"
3.7.4.2. RCABC requires a 8" overlap with caulking or 12" no caulking
3.7.4.3. RCABC requires 60 mil EDPM patch if 8" overlap not possible and change of slope.
3.8. eave metal min 2" on deck 1/2" gap for gutter
3.9. Metal thickness BC CODE= 30 gauge RCABC= 26 gauge
4. Types of shingles
4.1. Fiberglass or composite felt
4.1.1. non organic does not rot like older shingles