STAIRS Flashcards
nosing line?
an imaginary line drawn through the outer edges of the nosings on the treads
finished opening
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
stairwell is?
the opening in the floor for th
stringer
the support for the treads and risers
what are other names for the stringer
stair carriage/ stair horse
minimum size stair stringer?
2x10q
what is unit rise of stairs?
vertical distance from one step to the next
unit run
horizontal distance from one step to the next
or face of riser to face of riser / does not include the nosoing
what is the tread
the horizontal board that we step on
what is the riser
the vertical board placed between the treads
what is nosing?
the projection of hte tread beyond the riser
what is the minimum tread width
235
what is the max tread width
235
what is the maximum tread width
355
what is the stringer support board
19 mm thick plywood nailed or screwed to stringers and header of the stairwell
open stairwells
have one or both sides open to a room or hallway
straight stairs
no curves or turns or angles
landings are
used to either change the direction of the stair or to break the total rise up into smaller amounts
how often must there be a landing on stairs
3.7 meters
how many flights of stairs do wide U stairs have
3
What are Quarter turn stairs
Stairs that angle with no landing
Winders have a mx of how many treads to turn 9-0 degrees
3
what is the min size of a wooden stringer
2x 10
dadoed stringer is
similar to a cleated stringer but a little nicer
what is a housed stringer
the stringer grooves are dadoed in wiht a router
what is a semi housed stringer
the cutout stringer is placed over the solid stringer and the reads adn the risers butt into the stringer
what is a mitered stringer
used on finish stairs to hide end grain
curved stringer
used on circular stairss
what is the newel called where the stairs turn
angle newel
what is the entire assembly of the handrail called
balistrade
what is head room
the vertical distance from the nosing line to the underside of the floor above
