I - 2 Doors

Question 1

standard thicknes for doors

Answer 1

1 3/4” and 1 3/8”

Question 2

standard height for doors

Answer 2

6’8 (80”)

Question 3

standard width for doors

Answer 3

most common are 2’6 and 2’8 but 3’ for exterior doors

2’-3’ with increments of 2 “

Question 4

two six six eight door

Answer 4

30” wide 80” high

26 68

two foot six by 6’ 8

Question 5

Pre hung doors

Answer 5

building a door frame and hanging the door into it.

needs to be noted in swing or out swing.

Question 6

Matel skinned doors

Answer 6

Doors that have metal skin with a wood or LVL frame. these are the most common exterior door.
have a foam core with high r value and range to r-10

Question 7

Fibreglass doors

Answer 7

Doors made with fibreglass are very energy-efficient and low maintenance. they have fibreglass skins that can look like wood.

Question 8

fire rated doors

Answer 8

commercial buildings are divided into fire compartments. if a door is in a wall that has fire separation the door must align with 66-75% of that fire rating.

fire rated doors may be solid wooded or gypsum-filled steel doors.

Question 9

Weather stripping

Answer 9

more heat is lost around the door then through its materials. “weatherstripping” is fitted into a groove in the rabbet for the door.

Question 10

sills

Answer 10

also knows as “threshold” commonly made of fur oak aluminum or steel. some metal doors have build in adjustable weather strip of vinyl that either touches the underside of the door or is raised so that the door closes against it.

Question 11

French Doors

Answer 11

Stile and rail doors that feature one or more glass panels. each individual glass panel is referred to as a light.
often hung as a pair. in the middle is astragal that opens with one of the doors as it swings open

Question 12

dutch doors

Answer 12

doors that are split in half horizontally and top can open independently from bottom.
upper half is traditionally glass and has 9 lights

Question 13

Double acting doors

Answer 13

have ability to swing in and out. in kitchens shops etc…

do not have latch to close

Question 14

sliding door

Answer 14

most common in commercial and industrial. heavy doors supported on an over head track.

Question 15

overhead doors

Answer 15

most common in residential garages. can be single panel or several horizontal sections.
weight of door is counter balanced by large spring

Question 16

Rolling Shutter Doors

Answer 16

also known as coiling doors. they roll up and out of the way. the difference is that the rolling door is made from many narrow horizontal sections. these small sections allow door to roll up around a central axis above the door.

Question 17

Storm screen door

Answer 17

Storm screen doors are secondary doors that are installed over existing doors. equipped with screens to allow ventilation during summer months.

Question 18

Patio doors

Answer 18

manufactured and installed similar to windows. normally twp panes 5’ wide to 12’ by 80” high. on small wheels at bottom of sliding panels

Question 19

Door Jambs

Answer 19

door jamb is the frame that supports the door and attaches it to the wall. can be made of wood or metal. all jambs feature a rabbit for the door to butt up against. rabbit is always 1/2” deep and is one of two widths 1 3/8” or 1 3/4” these two widths accommodate most door thicknesses. *often require wider rabbit to account for weather stripping

Question 20

Wooden jambs

Answer 20

can be made of single piece of wood with rabbit along the edge OR two pieces of wood.

Question 21

rabbit jam

Answer 21

one piece of wood with rabbit

Question 22

plain jam

Answer 22

rabbit created by nailing piece of particle board strip into door frame.

Question 23

width of jamb

Answer 23

width of door jam corrisponds with finished with of wall plus 1/16”. for 2x4 framed wall, 4 9/16ths wide jamb is used and for 2x6 wall 6 9/16ths is used.

Question 24

metal jambs

Answer 24

very common in commercial construction. made of sheet metal that is formed to fit the walls and support the door.

two different types
Slip fit: jambs fit around the wall

flush fit: jambs butt up against the wall

Question 25

Hinges

Answer 25

usually square butt hinges. square butt hinges are square or rectangular when the two leaves are opened.

sometimes you may need to modify hinge gains for hinge to fit.

Question 26

Locking pin hinges

Answer 26

used to provide security for out swing exterior doors. pin is locked with a set screw that is only accessible when door is open.

Question 27

spring type hinge

Answer 27

use wind up spring that tensions when open and closes door shut.

Question 28

Hinge fasteneres

Answer 28

normally manufacture provides screws. BCBC requires screws into jambs be at least 1” long and two or more screws must pass through jamb and penetrate 1 1/4” into framing

Question 29

Passage set

Answer 29

Non locking door latching system used for hall and dining room doors

Question 30

Privacy set

Answer 30

is a low security lock that allows door to be locked within a room. normally used for bathroom and bedroom doors.

Question 31

Keyed lockset

Answer 31

lock using a key used for storage rooms, classroom doors etc…

Question 32

Deadbolt

Answer 32

deadbolt type lock is required by BCBC for most exterior doors. must have throw of 1” into striker plate and keyed only from exterior for safety reasons

Question 33

Latch bolt

Answer 33

latch bolt is what the handle activates to latch and unlatch the door.

on passage and privacy sets, latch bolts are spring loaded and beveled at the end

on deadbolts they are not spring loaded and not beveled must sturdier.

Question 34

Backset from edge of door to middle of handle

Answer 34

two most common 2 3/8 and 2 3/4

Question 35

striker plates

Answer 35

attaches door jamb and receives the throw of the latch bolt. BCBC requires striker plates used with deadbolts must be fastened with screws that penetrate into wood framing by at least 30mm

Question 36

Dummies and Pushpulls

Answer 36

door handles that are stationary and not used for latching are known as dummies. stationary handles are commercially referred to as push pulls.

Question 37

Astragals

Answer 37

when double doors are hung, one door is often latched in place. this provides a stop and weather stripping for the other door (the active door) to shut against. this is the astragal .

BCBC required latch on top and bottom of door with at least 15mm

Question 38

Door Closures

Answer 38

when a door is apart of fire separation, it needs closing mechanism to close shut after use.

Question 39

kick plates

Answer 39

kick plate is installed at the bottom of the door as a preventative measure to cover up damaged ares.

Question 40

Louvers

Answer 40

when ventilation is needed for mechanical rooms or public washrooms, door louvre kits can be used. a hole is cut into the door and a louvre plate is fitted on both sides and/or internally

Question 41

door viewer

Answer 41

BCBC requires that the main entry door for a residence have either a transparent window in or alongside the door, or a door viewer. this allows the occupant to visually determine who is on the other side of their door.

called peepholes, usually installed 58-62” above floor

Question 42

Panic Hardware

Answer 42

people can be crushed if lots of people are trying to exit a room, panic push hardware is installed on all buildings where occupant loads exceed 100 people

Question 43

Installing exterior doors

Answer 43

1. door is fitted into the frame, made up of head jamb, two side jambs and the sill on the exterior door.
2. door and frame are installed in the rough opening
3. lockset and door hardware are installed

Question 44

four types of door hands

Answer 44

left hand
right hand
left hand reverse
right hand reverse

Question 45

Determining hand of door

Answer 45

exterior doors are easy

for outside of interior doors side of door that is closest to the exit of building is outside.

Question 46

Left- hand hung (LHH)

Answer 46

has hinges on the left and opens away from outside.

Question 47

right-hand hung (RHH)

Answer 47

has hinges on the right and opens from the outside

Question 48

Left hand reverse hung (LHRH)

Answer 48

door has hinges on left but opens towards outside

Question 49

right hand reverse hung (RHRH)

Answer 49

door has hinges on the right and opens towards the outside

Question 50

RO for standard 80” tall exterior in swing

Answer 50

width of door + 2 - 2.5”

height: 83 1/4”

Question 51

RO exterior outswing 80” tall

Answer 51

width+ 2

hight: 82 1/2

Question 52

RO for 80” high exterior double door

Answer 52

door width x 2 + 3”

height: 83 1/4

Question 53

Fitting a door (pre hanging)

Answer 53

1. measure door and check diagonals to make sire door is square and hasn’t been cut previously
2. cut head of door jamb to door width + 3/16
3. determine finish floor thickness and the desired clearance between the flooring and door. add these measurements plus the this portion of the jamb thickness to the doors height to get length of side jamb
4. rabbet the top of side jambs to allow top piece to fit flush
5. sand cut surfaces and glue and nail three door frame pieces together.
6. cut hinge gains into door and install hinges.
7. place door on horizontal position on a bench or on sawhorses with the door side up and fit the door into the frame
8. adjust the had clearance between the door and frame to 3/32 and mark the hinge locations on the frame
9. remove door and cut hinge gains into door frame. instal hinge portions onto jam
10. place door back into frame. hinges may need to be lightly tapped to adjust the alignment

Question 54

installing wooden door framers without a door

Answer 54

1. attach two side jambs to head jamb to make a frame
2. check that the opening for the door at the head jamb is equal to door width plus 1/8
3. position the frame in the opening and install shims at both sides of the head jamb to hold it in place.
4. level the head jamb by raising one of the side jambs
5. using level fasten hinge side of the frame, plumb the jamb in both directions, shimming at each hinge position
6. repeat step 5 for latch side of jamb
7. double check that both side jambs and the head jamb are parallel

Question 55

Installing pre hung doors

Answer 55

1. remove hinge points and remove door from frame
2. position frame in RO. instal shims at the head jamb to hold it in place. when positioning frame make sure that hinge side requires no ore shimming then latch side. (because it holds weight)
3. level the head jamb by raising one odd the side jambs
4. plumb and fasten the hinge side of the frame. plumb jamb in both directions.
5. instal the door into the frame. using the door as a straight edge, plumb and fasten the latch side of the jamb. use the three positions of shims to screw
6. double check that both side jambs and the head jamb are straight
7. insulate and air seal the space between the framing and the jamb

Question 56

Installation of steel door frames in concrete formwork

Answer 56

1. set the assembled jamb closely against one side of the concrete form before putting the other side of the form in place.
2. thoroughly brace the frame to keep it from bending under the pressure of the concrete. bend door frames will prevent door from closing
3. plug pre drilled holes and openings in the frames at hinges and strike plates with rubber stops to prevent concrete from running through.
4. if jamb is narrower then the wall, attach wood filler strips to make the jamb same width as wall.

Question 57

Installing steel doors frames in masonry construction

Answer 57

1. brace and support the frame such that it does not interfere with the installation of the masonry.
2. use spreaders ti jeep the jamb from bending inward as the masonry is installed.
3. check the head jamb is level and the side jambs are plumb and straight .

Question 58

Anchorage

Answer 58

to anchor the frame into a wall. bricklayers install wire or sheet metal anchors into the mortar between the courses of blocks and bricks.

Question 59

installing steel door frames in existing masonry or concrete construction.

Answer 59

must be screwed into place, use hollow or solid wall fasteners depending on type of wall. fasten at three points each side jamb and do not fasten the header

Question 60

installing steel door frames in wood frame construction

Answer 60

knock down frames are traditional when attaching metal frame to wood frame construction. frame is assembled and slipped over finished drywall, then door installed and used to align door jambs

Question 61

Fire rated door frames

Answer 61

fire rated jambs are used in commercial construction where a fire-rated opening is created. they must have appropriate CSA or ULC sticker

Question 62

Overhead sectional door requirements

Answer 62

• need space above opening for door hardware
• these doors use vertical and horizontal tracks for door to slide on. vert tracks must be plumb and parallel and horizontal tracks must be level and parallel
• header must proved 12” of support on either side
• ## check if it will open manually before electrically

Question 63

step by step installation for section overhead door

Answer 63

1. install four roller brackets on bottom panel of door.
2. position bottom panel in place and check it for level, shim the low end up to level position.
3. install the roller brackets and hinge on the next panel.
4. attach angle bracket to vertical tracks.
5. attach horizontal track to vertical track with carrage bolts.
6. slide torsion spring over axel slide the centre bearing//support onto the axle and bolt the spring to it.
7. lift the spring assembly into place on top of the horizontal track and fasten it to the header with lag screws
8. attach the lifting cable to the cable wheels on both sides of the door. lock one of the wheels to the axel. tighten cables
9. wear eye protection and gloves when tightening the torsion spring. two pieces of steel rod needed to tighten spring .
10. mark spring with chalk line. this is used to mark how many times spring has been tightened 360°s. tighten spring to instructions then tighten set of screws on end of spring.
11. door should nor rise on its own until half way up

Question 64

Sealing door on concrete wall

Answer 64

treat wooden parts of door frame that come in contact with concrete with wood preservative. copper naphthenate when wood is not exposed to weather
zinc naphthenate where wood is painted or stained.

Question 65

sealing frame to building envelope

Answer 65

air/vapour barriers must be continuous and sealed to the door frame with acoustical sealant.

Question 66

membrane vapour barrier

Answer 66

extend the polyethylene membrane around the supporting wood studs. seal the membrane tot he wood studs

Question 67

airtight drywall vapour barrier

Answer 67

seal the drywall to the supporting wood stud with caulking. use backer rod or sealant to seal the bottom frame to concrete floor

Question 68

sealing the opening

Answer 68

use backer rod and acoustical sealant to join the jamb to the concrete. use spray foam to fill in the rest of space. this will form backing for interior insulation

Question 69

trim

Answer 69

after interior and exterior trim have been applied apply caulking to seal the joints.

Question 70

sealing door to wood frame walls (dry climates)

Answer 70

wrap the exterior of the opening with sheathing paper. use backer rod and caulking to seal the door jamb to the sheathing paper. seal the vapour barrier membrane to the wood framing.

Question 71

sealing door in wet climates

Answer 71

wrap exterior opening with peel and stick waterproof membrane. overlay this membrane with two layers of sheathing paper. lap the paper like shingles. install 1x2 to form the air space behind the exterior finish. then use backer rod and caulking to seal door jamb.

Question 72

Hinge with three knuckles is installed on…

Answer 72

door jamb

Question 73

hinge with two knuckles is installed on…

Answer 73

door

Question 74

Hinge gain

Answer 74

hinge gain is a shallow mortise thats routed into the edge of the door and into the face of the rabbet in the jamb. depth of this mortice must match the thickness of hinge

Question 75

positioning the height of hinge gains

Answer 75

top gain: 7” from top of door
the gain in jamb is positioned 7 1/8 from head jamb

bottom hinge gain is positioned 11” up from the bottom of the door.

middle one is centred

easy way to do is 8 inches from top and bottom

Question 76

clearance

Answer 76

space between hinge and back of door is 1/4

distance between edge of rabbet must be slightly bigger 5/16

Question 77

Installing locksets

Answer 77

deadbolts are installed 48” off the ground.

Question 78

backset for locksets

Answer 78

usually 2 3/8 or 2 2/4

Question 79

holes needed to instal lockset

Answer 79

1” diameter hole through the edge of the door, and a 2” diameter hole through the face of the door

Question 80

steps in installing lockset

Answer 80

1. large 2” hole is drilled in face of door first from both sides to reduce chipping.
2. drill smaller 1” hole into the edge.
3. two types of latch bolts. one is driven into 1” hole the other has rectangular faceplate that needs to be mortised into edge of door.

Question 81

installing strike plates

Answer 81

strike plates are morticed into the jamb. drill hole then use router.