I2 - Exterior Doors - LT #2

Question 1

What is the standard thickness for an exterior door?

Answer 1

1” 3/4

Question 2

What is the common term for a window in a door?

Answer 2

Light

Question 3

Describe what is meant by the term “In-swing right-hand hung”

Answer 3

Standing outside, door is hinged to the right & swings away from you (into building)

Question 4

Why are wood exterior doors no longer common for exterior applications?

Answer 4

Due to the low R-Value

Question 5

Do white metal doors typically require painting once delivered to the job site? Why?

Answer 5

Shipped with a coast of primer but need a coat of paint to maintain warranty

Question 6

What is a sweep used for?

Answer 6

Mounts on the bottom of the door, acts as a weather stripping

Question 7

What is the standard thickness for an interior door?

Answer 7

1” 3/8

Question 8

The height of doors is standard at:

Answer 8

6’8”

Question 9

Standard door widths range from:

Answer 9

2’0 to 3’0 in increments of 2”, most common are 2’6” and 2’8” and 3’0 for exterior doors.

Question 11

What materials are doors made from?

Answer 11

Wood, metal, fibreglass, vinyl, lead and others

Question 12

Doors may be made up inside of

Answer 12

Solid core, moulded, hollow core, insulated, fire-rated or special purpose

Question 13

What is a prehung door?

Answer 13

Involves building the door frame & installing the door into it.

Question 14

All exterior doors are required to conform to what standard?

Answer 14

North Americal Fenestration Standard for windows, doors and skylights (NAFS)

Question 15

What is the most common type of exterior door?

Answer 15

Steel skin with a wood or LVL frame, insulated with foam core with a high R-Value, ranging from R-10

Question 16

What are the advantages of FIbreglass doors?

Answer 16

Very energy efficient and low-maintenance and have the look and grain of wood. Bottom rail made from a composite no-rot material for extra strength and durability

Question 17

Doors that are required to have a specific fire rating must have:

Answer 17

Underwriters Laboratories of Canda (ULC) sticker.

Question 18

Fire-rated doors may be made of:

Answer 18

Solid core wooden doors or gypsum-filled steel doors.

Question 19

Fire rating estimate states:

Answer 19

How long the building component is able to withstand the temperature generated by building a fire

Question 19

Fire rating estimate states:

Answer 19

How long the building component is able to withstand the temperature generated by building a fire

Question 20

Most air leakage and drafts are located:]

Answer 20

Around the door then through the material,

Question 21

Weatherstripping is fitted into a groove of the:

Answer 21

Rabbbet for the door: Vinyl-clad v shaped foam core most common

Question 22

In cold areas, weather stripping needs to be coated with:

Answer 22

Silicone or other material to keep it from freezing to the door

Question 22

In cold areas, weather stripping needs to be coated with:

Answer 22

Silicone or other material to keep it from freezing to the door