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Apprenticeship > STAIRS > Flashcards

STAIRS Flashcards

1
Q

nosing line?

A

an imaginary line drawn through the outer edges of the nosings on the treads

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2
Q

finished opening

A

the horizontal distance from the edge of nosing at the upper landing to the edge of the finish at the other end of the stairwell opening

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3
Q

stairwell is?

A

the opening in the floor for th

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4
Q

stringer

A

the support for the treads and risers

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5
Q

what are other names for the stringer

A

stair carriage/ stair horse

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6
Q

minimum size stair stringer?

A

2x10q

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7
Q

what is unit rise of stairs?

A

vertical distance from one step to the next

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8
Q

unit run

A

horizontal distance from one step to the next

or face of riser to face of riser / does not include the nosoing

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9
Q

what is the tread

A

the horizontal board that we step on

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10
Q

what is the riser

A

the vertical board placed between the treads

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11
Q

what is nosing?

A

the projection of hte tread beyond the riser

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12
Q

what is the minimum tread width

A

235

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13
Q

what is the max tread width

A

235

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14
Q

what is the maximum tread width

A

355

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15
Q

what is the stringer support board

A

19 mm thick plywood nailed or screwed to stringers and header of the stairwell

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16
Q

open stairwells

A

have one or both sides open to a room or hallway

17
Q

straight stairs

A

no curves or turns or angles

18
Q

landings are

A

used to either change the direction of the stair or to break the total rise up into smaller amounts

19
Q

how often must there be a landing on stairs

A

3.7 meters

20
Q

how many flights of stairs do wide U stairs have

A

3

21
Q

What are Quarter turn stairs

A

Stairs that angle with no landing

22
Q

Winders have a mx of how many treads to turn 9-0 degrees

A

3

23
Q

what is the min size of a wooden stringer

A

2x 10

24
Q

dadoed stringer is

A

similar to a cleated stringer but a little nicer

25
Q

what is a housed stringer

A

the stringer grooves are dadoed in wiht a router

26
Q

what is a semi housed stringer

A

the cutout stringer is placed over the solid stringer and the reads adn the risers butt into the stringer

27
Q

what is a mitered stringer

A

used on finish stairs to hide end grain

28
Q

curved stringer

A

used on circular stairss

29
Q

what is the newel called where the stairs turn

A

angle newel

30
Q

what is the entire assembly of the handrail called

A

balistrade

31
Q

what is head room

A

the vertical distance from the nosing line to the underside of the floor above

Apprenticeship (4 decks)

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