Roofs Flashcards
What are the most common types of roofs
Asphalt Wood Metal Clay Slate
Which roof is the most common by far
asphalt
What are some sign of damage in an asphalt roof
bare spots on the shingles major discolorations or bleaching of the roof large number of granules in the gutter missing shingles curling at the edges of the shingles
What is the life expectancy of an asphalt roof
20-30 years
What is a good rule of thumb for asphalt roofs
if the house is between 15-30 years old, it probably hasn’t had it roof replaced and probably need its
How is the size of the roof measured
in units called a square (10’ X 10’)
What is the average cost of asphalt shingles per square
180-350
What are some signs of damage in wood roofs
splitting
rotting
moss growth
Take special notice to what side of wood roofs and why
the north because it gets less sun exposure so it gets longer exposure to moisture
For wood roof pay close attention to what
the lower parts of the roof where water may be sitting
What is the problem for multiple layers of shingles
it invalidates the warranty most of the time
most roofs werent designed to support the added weight
How do you check for multiple layers of shingles
check the edges and corners
What are usually added to the roof to help prevent moisture and heat build up in the attic
vents and other mechanisms
Why is it important to avoid build up of moisture and heat in the attic
it can cause the roof to age prematurely
Roofs beneath what are prone to more damages
tree branches
What faces of the roof are more prone to damage from the sun
weat and south
Where are the most vulnerable places on the roof
where the roof changes direction
where objects penetrate the roof like vents, chinmeys, satelite dishes
gutters
flashing
Whats the life expectancy of wood roofs
40-50
What is an exception to the 40-50 yr life expectancy of wood roofs
if they are installed over plywood sheathing they can deteriorate over 10-20
What is the life expectancy of metal roofs
50-100 yr
What is the life expectancy of slate roofs
100+ yr
What is the life expectancy of clay roofs
50+ yr
What are the most common SOW tasks
roof maintenance
replace sheathing
roof replacement
To get a good idea of the condition of the sheathing look where
at the underside of the roof in the attic
What are you looking for on the sheathing from inside the attic
water stains
physical damage
How long is the average roof replacement
1-2 days
What is a ballpark way to estimate the sf of a roof
multipy the length of the house by the width then multiply that by 2
Is it possible to purchase the roofing material yourself then just pay the contractor for labor
yes
Why would you purchase the roofing material yourself then just pay the contractor for labor
because it may be cheaper
What is are important considerations when purchasing the roofing material yourself then just pay the contractor for labor
time
coordinating the delivery and haul-away of the material
When buying material yourself what is a way to price out the material
per square
What does roofing maintenance usually cost
between 250-500
What does sheathing usually cost
40-50 per sheet of 4’’ by 8’
What is the average cost of wood shingles
450-700 per square
What is the average cost of steel roofs
350-1000 per square
What is the average cost of aluminum roofs
750-1000 per square
What is the average cost of slate roofs
1000-3000
For asphalt shingles, if there are additional layers that need to be removed expect a cost increase of
30% per layer
What are material costs influenced by
the climate
the colder the more expensive
What are labor cost influenced by
insurance prices and unions
if the area has high insurance prices or your dealing with a unionized roofer then expect to pay more
What are other miscellaneous things that can cause prices to rise
the complexcity of the roof
the height of the property
time of year (climate)
What is a great way to check prices in that area
call some contractors
What is a great question to ask contractors
As a ballpark estimate, how much do you charge per square to remove, haul away, and replace a typical, non-complex, 20 square roof on a two story building?
Where can you find roofing contractors
ask other investors in that area
check with the local real estate investors association
How to pay the roofing contractor
if they want the materials paid for upfront then pay for them at the time they are delivered to the jobsite, don’t pay for more than the 50% of the total cost of the job up front, pay the last amount after the job completion
