ICA Module 1 Section 2 Flashcards
3 main functions of exterior cladding
protect exterior
interior of structure from elements
provide security
cosmetic appeal
List 10 exterior wall surface material that are commonly found:
masonry, veneer, masonry, stucco, EIFS, Plywood, steel, aluminum, vinyl, cement, fiber
5 common problems found on all types of wall systems:
water penetration, too close to grade, too close to roof, too close to vines, ? against wall
7 common problems with masonry walls:
*spalling *efflorescence *cracking *mortar deterioration *missing weep holes * mechanical damage
Describe Efflorescence
salt deposits of masonry
Expanding, rusting steel lintels over windows & doors often cause cracks in what direction in masonry walls>
Horizontal
Stucco is made up of ____, _____ & _____
cement, aggregate, & water
What is the problem with having aluminum in contact with stucco?
Rusting
3 functions of a drip screed
- provides finished edge
- allows drainage
- prevents water going into wall
5 common problems with conventional stucco:
- cracks
- mechanical damage
- rusted trim
- incompatible flashing
- no dried screed
Problem people experience with EIFS:
concealed water damage
What is a kickout?
Flashing
3 causes of problems unique to EIFS compared with conventional stucco:
- no building wrap
- no metal lathe
- poor drying
6 factors that may suggest concealed problems with an EIFS application:
*high rainfall, *heavy rains w/wind, *exposed to strong winds, no overhang, *a lot of deviations, *openings not sealed
10 areas outside to check for evidence of problems w/EIFS installations:
roof, wall, gutters, chimneys, electrical openings, vents, door openings, house numbers, railing connections, side penetrations
5 areas on the interior to check for evidence of problems w/EIFS installations:
walls, floors, ceilings, foundation, joists
2 area in basements & crawl spaces to look for w/problems w/EIFS installations:
- joists
- walls
Effect of vines growing on wood siding:
Rot
What siding would perform better:
12-inch-wide board
or 6-inch-wide board
6” wide board
What siding would perform better:
3/4-inch-wide board
or 3/8-inch-thick board
3/4” wide board
What siding would perform better:
smooth board or rough textured board
rough textured board
What siding would perform better:
6-foot-long board
or 12-foot-long board
6’ long board
How many layers of shingles are typically used in siding applications?
2
5 common problems with conventional wood siding:
rot, warping, splitting, paint/stain, loose
Hardboard is a type of _____ board.
fiber
4 common problems with plywood, OSB & hardboard:
rot, loose, mechanical damage, cracking
Life expectancy of vinyl
40 years
8 common problems with metal & vinyl siding
metal siding not grounded buckling, loose, caulking defects, mechanical damage, discolored rust, reflected sunlight (vinyl)
Why should siding be grounded
prevent shocking
Asbestos-cement shingles should be removed from homes: T/F
False
Most common problem with asbestos-shingles
mechanical damage
3 common problems with modern fiber-cement shingles:
mechanical damage, missing paint/caulk, nailing problems
How far should wood siding be kept above grade level?
6”
2 common problems to look for on the exterior of exposed foundations:
cracks & spalling
Where are soffits & fascia typically found?
rafter ends
12 common problems with windows & doors
rot, damage, sill slope, paint/stain, putty, vines, cracked glass, frame deformation, missing screens (ONLY 9 LISTED)
7 different things you want to evaluate with respect to doors & windows:
rot, damage, sill slope, cracked glass, caulking problems, screens missing, paint/stain
4 common problems with soffits & fascia:
missing/loose pieces, rot, damaged, paint/stain needed
What are the issues surrounding a double layer of soffit material?
damage covered
What materials are commonly used for soffits & fascia?
wood, fiber, cement, vinyl
3 examples of where flashings would typically be found on exterior walls:
doors, windows, bottom of siding
6 common problems with caulking, trim & flashings:
missing, loose, cracking, rusting, damaged, too small (flashing),
3 mechanisms by which water may get into wall systems from the building exterior:
missing caulk, window sill reversed, cracked mortar
