type of stair

Stairght run
1.no turns
2.less expenive

 Spiral Stairs
1.Takes up small amount of space
2.Not very safe

df

Circular Stair
1.Irregular cruves or arc
2.Expenive to build

 Double L Stair
1.Two landings
2.Takes up space when not able to build a l stairs or straight run

L Stairs
1.One Landing
2.One turn

 U Stair
1.Flights are parallel
2.Wide "u" space between flights

Winder Stair
1.No landing durning run
2.Pie shaped step