Expert Answers | 100% Correct (A+)
• What direction does heat flow? -✓✓Hot to cold
• What are batter boards -✓✓stakes and ledger boards marking building lines
• What is the MAXIMUM distance between a ventilating opening in an under-floor space
and each corner of the building? -✓✓3 feet
• What is NOT required in exterior nonbearing walls? -✓✓Load-bearing headers
• A lengthwise grain separation between or through the growth rings of lumber is called
a -✓✓Shake (c 326)
• The abbreviation "d" in "16d" means -✓✓Penny
• Notches may not be located in the ____________ of a joist span -✓✓Middle 1/3
• How should board and batten be installed? -✓✓1 inch overlap 10d nails
• What is the maximum allowable notch in ceiling joists -✓✓1/6 the depth of the member
• How MUST rafters be framed to each other -✓✓Gusset plate (R802.3)
• What is used to prevent buckling at points of high stress? -✓✓Squash blocks
• Prior to the installation of wood floor how long for acclimation? -✓✓4-5 days
• Where do you start laying parquet flooring -✓✓Centerline
• What is the first step in carpet installation? -✓✓Tackless strip
• What type of nail is used in floor installation -✓✓7d or 8d threaded/Cut steel
• What should be applied to crevices in wood flooring? -✓✓Filling
• What is the best nail for hardwood -✓✓Ring shank nail
• What is the maximum size of a floor frame opening? -✓✓5 sq ft (62) (R310.2.1)/ 4 ft
header joist (130) (R502.10)
, • When installing a string of wall cabinets, the cabinets should -✓✓Be attached to the
adjacent cabinets before to the wall
• What is the MINIMUM height for a stairway handrail -✓✓34 inches
• A third stairway stringer should be used when the stair width exceeds -✓✓30 inches
• What type of nail are best for general construction? -✓✓Smooth shank
• What is the MAXIMUM flame spread index for insulation materials -✓✓25 (R302.10.1)
• What is the MAXIMUM dimension of the ventilation coverings for under-floor space -
✓✓1/4 inch (R 408.2)
• Flexible insulation placed in floor joists above an unheated crawl space should -✓✓Be
well supported between joists/using a wire mesh or rigid board (c 904-5)
• In a crawl space how far from the floor joints do you need to place vapor retarder -
✓✓Top Soil
• Ice dam protection needs to be _________ from the edge of eaves -✓✓24 inches
(R905.1.2)
• Where to install radiant heat barrier in attic -✓✓Rafters
• What is the major advantage of icynene over polyurethane foam -✓✓Can be poured
instead of sprayed
• In a crawl space, what kind of vapor retarder should be used? -✓✓6 mil or 8 mil
• When batt insulation is installed a vapor retarder that __________ is commonly -✓✓4
mil polyethylene
• What is the minimum amount of space that is allowed between roof sheeting and
insulation to allow the passage of air? -✓✓1 1/2 in
• In a ceiling batt insulation where is the vapor retarder placed? -✓✓Against the back of
ceiling finish
• A vapor retarder on blanket installation MUST -✓✓Face the warm side of the wall
• How should radiant heat barrier be installed -✓✓Either rafters (1st choice)/ perforated