Sustainable Green Building

residential building consume approx ________5 of energy produced in US

21

residential construction commonly uses double ______ headers at all door and window opening

2x10

Hip roofs covering a whole house have a min of ___ planes and hip roofs covering porches or additions have at least ____

4, 3

A pound equals how many grains

7000

True or false a true southern exposure is mandatory and always feasible

False

PVC roofing is composed of plastic waterproofing combined with what?

Fiber reinforcement layer

What cellular glass rigid insulation offer the greatest termite and rodent resistance of any insulation material

Foamglas

What kind of roofing employ special plants in a growing medium that covers a membrane roof?

Vegetated or green roofs

The UN development prgm estimates that the avg american uses how many gallons of water per day?

152

one calorie is equal to how many joules

184

What is the most challenging area to create and effective envelope because of carbon monoxide and poor ail sealing?

The floor of finished rooms above garages

Composition shingles made of asphalt and glass fiber are the most popular steep slope roofing material, comprising approx 60% of residential market and last between _____ years

20 and 30

Metal roofing is available with as much as ____% recycled content

100

Environmentally sensitive lands include land within ____ of any body of water

100 feet

Wall measuring 8 x 12' insulated R-13. no studs. continuous insulation. Inside is 72 degrees and out is 89 degrees. what is the magnitude of the conductive heat flow through this wall?

125.66 btu/hr

Which statement is true: a house can be too weather-tight or a house can be underventilated

A house can be under ventilated.

Excess nutrients from fertilizer runoff can cause what?

Algal blooms: algae pop of an aquatic system that grows exponentially within a short period of time

What is the primary method to control storm water discharges

BMPs

What two materials can be substituted for Portland cement in a concrete mixture?

Coal fly ash and ground granulated blast furnace slag

What construction components extend over the top of ceiling insulation and can help prevent wind washing where air is allowed to blow loos insulation?

Eave baffles

What is material is roofing felt or tar paper made of in sheets that are impregnated with tar?

Either paper or felt to provide water resistant coating

What beams are designed to span two piers or areas of solid soil as well as support the foundation and structure above them while no bearing directly on the soil below?

Grade beams

A homes seasonal heating losses can be calculated using what two things?

HDD and the Uaverage

What approach provides contractors and future homeowners with comprehensive methodology for creating healthy, comfy and durable homes

House as a system

what are solid panels made of insulated core bonded 2 sturctural board on both int and exterior?

SIPS

The price of __________ sites may be larger b/c of additional regulatory requirements and costs for demolition, soil remediation, and additional permitting or legal requirments

Infill sites

What is the most common product to be labeled with and R-value?

Insulation

Besides altering ceiling heights, construction of alcoves, what concept can make a small house feel larger?

Introducing natural light

What is the primary purpose of roofing?

Keep water out

The cost of insulating a house can be divided into several segments. What are they?

Materials, installation, peripheral costs, and cumulative energy costs through lifetime of the structure

What two materials are very prevalent in manufacturing recycled content in roofing products?

Metal and rubber

What is it called when tools such as blower door, duct blaster, and thermal imaging camera provide info on hidden defects and provide baseline of house conditions against which the proposed and completed improvements can be measure.

Performance testing

______ are opening in the side of a building or wall that allow water to flow out off of low-slope roofs

Scuppers

What is a standard variation from CMU blocks that provide built in insulation and are formed in two pieces with a piece of foam insulation between them

NRG blocks

The Clean Water Act amendments of 1987 authorized US Environmental Protection agency to expand what program in order to cover storm water discharges

National pollutant discharge eliminated system

What is a thin layer of reflective material thats applied to roof sheathing or installed as sep. film attached to rafters that faces into attic space?

Radiant barrier

What roofing components are designed to span an area and provide adequate space for full-depth attic insulation across the entire area?

Raised heel trusses

What form of construction should perimeter footings, interior turn downs, slab thickness, and reinforcing steel should be designed for the minimum sizes required for the structure and soil conditions.

Slab on grade

What design method reduces the amt of pipe needed to supply fixtures as it saves energy and water by reducing hot water pipe runs?

Stackedplumbing

What flashing is installed on walls behind the water-resistant barrier and is interlaced with the roof shingles?

Step flashing

What is the flow of water that results from precipitation following rainfall or as a result of snowmelt?

Stormwater

What is one unique property of waterproof membranes? When is this particularly effective

Their ability to seal around nails. Low slope roofs of 3:12

What is a major factor in determining the efficiency of a house (air wise)

Whole house and duct leakage

What is one of the most important forces that can affect building performance?

air flow

Foam insulation is the only commonly available insulation product that is what?

air permeable

What is a lightweight, air entrained block that uses less energy to produce and is more energy efficient than standard CMUs

autoclaved aerated concrete

What framing has studs continue from foundation sill to the top plate

balloon

The building performance institute trains and certifies individuals as ________

building analysts who are envelope, manufactured housing, heating, and air conditioning or heat pump professionals

What does the hardening gel from cement and water reacting absorb to harden?

carbon dioxide

What is the most commonly available material for shake roofing?

cedar

What are the three routes that heat moves in an out of a building?

conduction, convection, radiation

What occurs when air continuously circulates in an enclosed space as it is heated and cooled

convective loops

What process do plants cool air by?

evapotranspiration

Federal regulations in 1970s required insulation products provide increased fire resistance; these codes favored nonflammable glass products over paper-based cellulose, leading to the long standing market dominance of what insulation?

fiberglass insulation

What was established in 1993 as an indy nongovt non profit org to promote responsible mngmt of worlds forsts

forest stewardship council

What kind of deterioration causes the need for compatible roof and gutter metal?

galvanic corrosion

what is the effect that is from materials absorbing heat during day and releasing it, raising temp in surrounding areas?

heat island effect

Passive solar uses natural methods of _________ and does not employ mechanical equipment

heatflow

what are the 2 major drawbacks of steelframing?

high cost, low energy performance

Unvented roofs are also called what

hot roofs

Flat seamed soldered metal roofs are a sustainable solution for what kind of roofs?

low slope

What advent happened in the 19 century using small dimensional lumber and became widely available and stick frame methods began to emerge

mechanical milling equipment

embodied energy is typically calculated in terms of _________ of energy

megajoules

What roofing provides the cleanest water quality for rainwater collection for irrigation or potable use in rainwater collection

metal

The management of movement into and out of homes of what is a key piece to the green building puzzle

moisture

What refers to forest or woodlands with mature or overly mature ecosystems more or less influenced by human activity

old growth

What framing is used for most new and remodeled homes

platform traditional wood stick framing

What is not a LEED v4 homes credit classification?

power and energy

Ther performance of a particular insulation in a building component is affected as much by the _____________ as by the rated R-value

quality of installation and completement of the air barrier

What wall construction uses local soil, combined w/ Portland cement compacted into removable forms with aid of hand tools or power machinery

rammed earth walls

Wood roofs can be framed with what materials?

solid lumber, engineered lumber, heavy timber, or a combination of any of these

What is relative humidity?

the percentage of max moisture that air can hold at specific temp

What is the dividing line bt conditioned and unconditioned space in a house

thermal envelope or building envelope

What construction is also known as post and beam construction dating back thousands of years

timber frame

What type of woods should always be sustain ably harvested or avoided altogether whenever possible

tropical hardwoods