Exterior Flashcards
The life expectancy of fiber cement shingles is?
30-50 years
Gravel should be applied on built up roofs to.
A. Prevent roof ice damage.
B.Reduce ponding improve water drainage
C. reflect UV light
C. Reflect UV light
The maximum pitch for a built up roof is: A. 4 and 12 B. 2 and 12 C. 3 and 12 D. 2 and 10
C. 3 and 12
Roll or salvage roofing typically comes in rolls of: A. 12 to 24 B. 18 to 36 C. 20 to 30 D. 36 to 48
B. 18-36
Roll roofing lasts how long?
5-10 years
Modified membranes are used on:
Flat Roofs
Chimneys are made of:
Masonry and metal
Chimneys are not lined with:
Plastic
What is the minimum distance a chimney should protrude from a roof line?
3 Feet
What factor attributes the most to chimney degradation?
Water
Masonry chimneys more than __ feet above should have a brace.
12 Feet
What are the two main functions of gutters and downspouts?
Protect wall surface from water and keep basements/crawlspaces dry.
Downspouts should be provided for how many feet of gutter?
35
What is not a common gutter material?
wood
Proper lot grading is important when considering:
Wet basements
The primary purpose of exterior trim is all of these except:
acts as a drip edge
So any door between the house and attached garage should be tight-fitted fire rated and
self-closing.
What commonly causes structures to move?
Gravity
What are the two significant forces acting on structural components?
Compression and Tension
What is the acceptable deflection in the floor joists?
1/360th of span
Okay in what type of climate would a basement likely be found
Freezing Climate
All of these are common disadvantages of basements, except what?
Furnace in the basement
What typically prevents the inspection of a crawl space?
Restricted Access
All of these are types of slab on grade except:
Piers
Okay, so what part of the house transitions the weight of the house to the soil without allowing the house to sink?
Footing
Typically how large are strip footings?
16 to 24 wide and 6 to 16 thick
All of the following our common footing materials, except.
Wood
basement walkout door thresholds should have a minimum height of:
4-6 inches
What materials used in foundation walls behave differently from the rest?
Chemically treated wood
So how far should the foundation extend above grade at a minimum?
4-6
How long are preserved wood foundations expected to last?
50-100
So what provides a level of continuous pad beneath the foundation top and the bottom of the framing system?
Sill plate
In a modern construction, how is the sill attached to the foundation wall?
Bolts
All of these are common beam materials, except.
Concrete
to prefer prevent steel beams from rusting to beam should be
Painted
How much can a post be out of plum before it is caused for concern?
1/3rd of its thickness
Every poster column should have a:
Footing
What is a sinking post often indicate?
No footing
How many inches should a conventional wood floor joist extend on to a wood beam?
1.5
all of these are joists restraints, except?
Underpinning
