EXAC EXAM 3 QUESTIONS WITH
CORRECT ANSWERS
Forms of Water Penetration - Correct Answers -1. Kinetic energy of rain
2. Gravity flow
3. Surface tension
4. Capillary action
5. Pressure differential
Exterior Wall Systems - Correct Answers -1. Mass Wall (concrete, masonry): Sheds
most, absorbs and dry remaining
2. Barrier Wall (EIFS): Relies on continuous seal, maintenance
3. Drainage Wall (Stucco, siding): Drainage plane w/ moisture barrier.
4. Rainscreen: Air cavity as drainage plane on rigid water resistant airtight wall.
PERS Wall - Correct Answers -Pressure equalization rainscreen system.
- Uses vented cladding and air cavity
- Divided into compartments
Control Layers (4) (WAVT) - Correct Answers -1 - Water
2 - Air
3 - Vapour
4 - Thermal
Air Barrier - Correct Answers -1. Impermeable to air flow
2. Continuous over entire building enclosure
3. Able to withstand forces
4. Durable during lifetime
5. System rather then one component.
Interior Air Barrier - Correct Answers -Gypsum Board: To be sealed at all locations
including bottom and top of stud, where it abuts a interior stud, around windows and
doors, top plate of partition wall where adjacent to a unconditioned space.
Poly: Seal at all locations as per above
,Exterior Air Barrier - Correct Answers -Air / Vapour barrier on exterior sheathing or
gypsum board.
Water Barrier - Correct Answers -1. Resists bulk of water from entering wall assembly
from exterior
2. Behind exterior cladding
3. Channels water down drainage plane
Moisture Vapour Control - Correct Answers -Vapour Barrier (0.1 perm or less)
- Class 1 vapour retarder
- Vapour diffuses from high humidity to low (hot to cold)
- use vapour barrier or vent
Ice Damming prevention - Correct Answers -1. Seal ceiling from b/w interior and attic
2. Vent attic
3. Proper eave flashing (24" - 36" from inside of wall)
Insulation Material - Correct Answers -1. Batt or Blanket - 3.3
2. Rigid Board - 4 - 7
3. Foam in place - 6
4. Loose fill - 3
5. Cast - 1.5
Batt insulations - Correct Answers -1. Fiberglass R3.3
2. Mineral wool R3.3
- Sound insulation
- Non combustible
- Fire resistant
Rigid Foam - Correct Answers -1. Cellular Glass R2.5 (Fire resistant, impervious to
moisture, dimensionally stable)
2. Foam plastics (flammable)
a) Polystyrene, molded: R3.6
b) Polystyrene, extruded: R5.0 (closed cell, impervious to moisture)
c) Polyurethane, expanded: R6.2
d) Polyiso: R7.2
e) Perlite: R2.6
Foam in Place - Correct Answers -Polyurethane R6.2
- Closed cell used as a vapour barrier,
- flammable
Loose Fill - Correct Answers -1. Cellulose R3.7
2. Perlite R2.7
, 3. Vermiculite R2.1
- Attic, floors , and cavities
- Flammable
- Cellulose enviro friendly
Cast - Correct Answers -Insulated concrete
Insulation for Contact with Ground - Correct Answers -Extruded Polystyrene R5 (protect
from sunlight)
Cellular glass R2.5
Window componets - Correct Answers -1. Rails (horizontal) ie - top rail
2. Sash - Fixed or moveable framework which panes of glass are set
3. Muntin (vertical within sash)
4. panel (glazing in sash)
5. Stile (vertical)
6. Casing trim
7. Sill
Metal windows - Correct Answers -1. Aluminum: Requires thermal breaks
2. Steel: No thermal breaks
Glass types - Correct Answers -1. Annealed (common, cooled slowly)
2. Heat Strengthened x2.5 (reheat/sudden cool)
3. Tempered x3-5 (Annealed reheat to soft, cooled)
4. Laminated (2 or more bonded under heat with resin)
5. Wired glass
6. Patterned glass
7. Obscure glass
8. Spandrel glass
Door Construction - Correct Answers -1. Top rail
2. Stile
3. Panel
4. Bottom rail
Door Construction - Cores - Correct Answers -1. Hollow Core (Expanded honeycomb,
corrugated fibreboard, vertical board)
2. Solid Core (Bonded lumber or particle board)
3. Solid Core FR (Mineral composite core)
Venneers - Correct Answers -1. Book matching or herringbone (alternate facing)
2. Slip Matching (repeat)
3. Diamond matching
4. Random
CORRECT ANSWERS
Forms of Water Penetration - Correct Answers -1. Kinetic energy of rain
2. Gravity flow
3. Surface tension
4. Capillary action
5. Pressure differential
Exterior Wall Systems - Correct Answers -1. Mass Wall (concrete, masonry): Sheds
most, absorbs and dry remaining
2. Barrier Wall (EIFS): Relies on continuous seal, maintenance
3. Drainage Wall (Stucco, siding): Drainage plane w/ moisture barrier.
4. Rainscreen: Air cavity as drainage plane on rigid water resistant airtight wall.
PERS Wall - Correct Answers -Pressure equalization rainscreen system.
- Uses vented cladding and air cavity
- Divided into compartments
Control Layers (4) (WAVT) - Correct Answers -1 - Water
2 - Air
3 - Vapour
4 - Thermal
Air Barrier - Correct Answers -1. Impermeable to air flow
2. Continuous over entire building enclosure
3. Able to withstand forces
4. Durable during lifetime
5. System rather then one component.
Interior Air Barrier - Correct Answers -Gypsum Board: To be sealed at all locations
including bottom and top of stud, where it abuts a interior stud, around windows and
doors, top plate of partition wall where adjacent to a unconditioned space.
Poly: Seal at all locations as per above
,Exterior Air Barrier - Correct Answers -Air / Vapour barrier on exterior sheathing or
gypsum board.
Water Barrier - Correct Answers -1. Resists bulk of water from entering wall assembly
from exterior
2. Behind exterior cladding
3. Channels water down drainage plane
Moisture Vapour Control - Correct Answers -Vapour Barrier (0.1 perm or less)
- Class 1 vapour retarder
- Vapour diffuses from high humidity to low (hot to cold)
- use vapour barrier or vent
Ice Damming prevention - Correct Answers -1. Seal ceiling from b/w interior and attic
2. Vent attic
3. Proper eave flashing (24" - 36" from inside of wall)
Insulation Material - Correct Answers -1. Batt or Blanket - 3.3
2. Rigid Board - 4 - 7
3. Foam in place - 6
4. Loose fill - 3
5. Cast - 1.5
Batt insulations - Correct Answers -1. Fiberglass R3.3
2. Mineral wool R3.3
- Sound insulation
- Non combustible
- Fire resistant
Rigid Foam - Correct Answers -1. Cellular Glass R2.5 (Fire resistant, impervious to
moisture, dimensionally stable)
2. Foam plastics (flammable)
a) Polystyrene, molded: R3.6
b) Polystyrene, extruded: R5.0 (closed cell, impervious to moisture)
c) Polyurethane, expanded: R6.2
d) Polyiso: R7.2
e) Perlite: R2.6
Foam in Place - Correct Answers -Polyurethane R6.2
- Closed cell used as a vapour barrier,
- flammable
Loose Fill - Correct Answers -1. Cellulose R3.7
2. Perlite R2.7
, 3. Vermiculite R2.1
- Attic, floors , and cavities
- Flammable
- Cellulose enviro friendly
Cast - Correct Answers -Insulated concrete
Insulation for Contact with Ground - Correct Answers -Extruded Polystyrene R5 (protect
from sunlight)
Cellular glass R2.5
Window componets - Correct Answers -1. Rails (horizontal) ie - top rail
2. Sash - Fixed or moveable framework which panes of glass are set
3. Muntin (vertical within sash)
4. panel (glazing in sash)
5. Stile (vertical)
6. Casing trim
7. Sill
Metal windows - Correct Answers -1. Aluminum: Requires thermal breaks
2. Steel: No thermal breaks
Glass types - Correct Answers -1. Annealed (common, cooled slowly)
2. Heat Strengthened x2.5 (reheat/sudden cool)
3. Tempered x3-5 (Annealed reheat to soft, cooled)
4. Laminated (2 or more bonded under heat with resin)
5. Wired glass
6. Patterned glass
7. Obscure glass
8. Spandrel glass
Door Construction - Correct Answers -1. Top rail
2. Stile
3. Panel
4. Bottom rail
Door Construction - Cores - Correct Answers -1. Hollow Core (Expanded honeycomb,
corrugated fibreboard, vertical board)
2. Solid Core (Bonded lumber or particle board)
3. Solid Core FR (Mineral composite core)
Venneers - Correct Answers -1. Book matching or herringbone (alternate facing)
2. Slip Matching (repeat)
3. Diamond matching
4. Random
