40 Questions
Which standard specifies the minimum air leakage requirements for windows, doors, and skylights?
AAMA/WDMA/CSA 101/I.S.2/A440
According to the text, what is the maximum allowable air leakage rate for a building assembly when tested in accordance with CAN/ULC-S742?
0.20 L/(s·m2)
What should be done to vehicular access doors that separate heated garages from unconditioned spaces or the exterior?
Seal the doors with weatherstripping
Which material specification provides the characteristics and water vapor permeance values for air barrier materials?
CAN/ULC-S741
What type of sealant material can be used to create a continuous air barrier system according to the text?
Bead-Applied One Component Polyurethane Air Sealant Foam
Which of the following is the minimum effective thermal resistance (RSI) for foundation walls in Zone 5?
2.98 (m2·K)/W
Which of the following is the minimum effective thermal resistance (RSI) for uninsulated unheated floors below frost line in Zone 8?
4.59 (m2·K)/W
Which of the following is the minimum effective thermal resistance (RSI) for heated floors in Zone 6?
2.84 (m2·K)/W
Which of the following is the minimum effective thermal resistance (RSI) for slabs-on-grade with an integral footing in Zone 7B?
3.72 (m2·K)/W
Which of the following is the minimum effective thermal resistance (RSI) for heated and unheated floors on permafrost in Zone 7B?
4.44 (m2·K)/W
According to the National Building Code of Canada 2015, what is the minimum effective thermal resistance (RSI) required for foundation walls in Zone 7A?
3.72 (m^2·K)/W
According to the National Building Code of Canada 2015, what is the minimum effective thermal resistance (RSI) required for unheated floors below the frost line in Zone 5?
1.96 (m^2·K)/W
According to the National Building Code of Canada 2015, what is the minimum effective thermal resistance (RSI) required for slabs-on-grade with an integral footing in Zone 6?
1.96 (m^2·K)/W
According to the National Building Code of Canada 2015, what is the minimum effective thermal resistance (RSI) required for unheated floors above the frost line in Zone 7B?
1.96 (m^2·K)/W
According to the National Building Code of Canada 2015, what is the minimum effective thermal resistance (RSI) required for heated floors in Zone 8?
2.84 (m^2·K)/W
According to the text, which of the following is a method for constructing airtight cantilevered floors and floors over unheated spaces or over the exterior?
Both a) and b)
According to the text, how should steel-lined chimneys that penetrate the building envelope be constructed airtight?
Blocking the void between required clearances for metal chimneys and surrounding construction with sheet metal and sealant capable of withstanding high temperatures
According to the text, how should masonry or concrete chimneys that penetrate the building envelope be constructed airtight?
Mechanically fastening a metal flange or steel stud that extends not less than 75 mm out from the chimney and sealing the air barrier material to it with a sealant capable of withstanding high temperatures
According to the text, how should ducts that penetrate the building envelope be constructed airtight?
Sealing the penetration through the building envelope
According to the text, how should plumbing vent stack pipes that penetrate the building envelope be constructed airtight?
Both a) and b)
According to the National Building Code of Canada 2015, which of the following conditions must be met in order for the effective thermal resistance of one or more windows to be less than that required in Article 9.36.2.7?
The total areas of all traded windows are equal
According to the National Building Code of Canada 2015, what is the equation for determining the effective thermal resistance of windows when the U-value is known?
$RSI = \frac{1}{U}$
According to the National Building Code of Canada 2015, what is the equation for determining the effective thermal resistance of windows when the energy rating is known?
$RSI = \frac{20}{57-ER}$
According to the National Building Code of Canada 2015, what is the minimum RSI value required for above-ground walls and joist-type roofs when the reduction in effective thermal resistance is permitted?
Less than 55% of that required in Article 9.36.2.6.
According to the National Building Code of Canada 2015, which of the following is NOT permitted to be traded when it comes to effective thermal resistances?
Windows with a U-value less than 0.5
According to the National Building Code of Canada 2015 Volume 2, which of the following statements is true regarding the insulation of rectangular ducts installed under an insulated floor over an unconditioned space?
The underside of the ducts must be insulated to a lower level than required in Sentence (3), but not less than 2.11 (m2·K)/W.
What is the minimum thermal resistance that the underside of rectangular ducts installed under an insulated floor over an unconditioned space must be insulated to, according to the National Building Code of Canada 2015 Volume 2?
2.11 (m2·K)/W
In order to compensate for the lower insulation level on the underside of rectangular ducts installed under an insulated floor over an unconditioned space, what must be done to the insulation on both sides of the ducts?
The insulation on both sides must be increased.
According to the National Building Code of Canada 2015 Volume 2, what is the purpose of insulating both sides of rectangular ducts installed under an insulated floor over an unconditioned space to a compensating higher thermal resistance?
To maintain the same heat loss as ducts complying with Sentence (3).
What is the purpose of the Note A-9.36.3.2.(5) in the National Building Code of Canada 2015 Volume 2?
To provide additional information on the insulation requirements for rectangular ducts.
Rectangular ducts installed under an insulated floor over an unconditioned space must be insulated to a lower level than required in Sentence (3).
True
The minimum insulation level for the underside of rectangular ducts installed under an insulated floor over an unconditioned space is 2.11 (m2·K)/W.
True
Both sides of rectangular ducts installed under an insulated floor over an unconditioned space must be insulated to a compensating higher thermal resistance.
True
The resulting heat loss of rectangular ducts installed under an insulated floor over an unconditioned space must exceed that of ducts complying with Sentence (3).
False
According to Note A-9.36.3.2.(5), rectangular ducts installed under an insulated floor over an unconditioned space must be insulated to a compensating higher thermal resistance.
True
According to the National Building Code of Canada 2015, the minimum effective thermal resistance (RSI) required for foundation walls in Zone 7A is 2.11 (m2·K)/W.
False
According to the National Building Code of Canada 2015, the effective thermal resistance of one or more windows can be less than that required in Article 9.36.2.7 under certain conditions.
True
Steel-lined chimneys that penetrate the building envelope should be constructed airtight according to the text.
True
The equation for determining the effective thermal resistance of windows when the U-value is known is R = 1/U.
False
The purpose of Note A-9.36.3.2.(5) in the National Building Code of Canada 2015 Volume 2 is to provide additional guidance on insulating rectangular ducts installed under an insulated floor over an unconditioned space.
True
Test your knowledge on airtight construction techniques for joints in foundation walls, sill plates, rim joists, and subfloor materials. Learn about sealing methods and air barrier materials to ensure airtightness in this quiz.
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