What are alternating tread stairs?
In an alternating tread stair design, half of each tread is removed. It’s designed such that treads alternate for each foot. One step is wide on the right side; the next step is wide on the left side. Alternating stairs also feature a staggered step design that increases tread depth at steeper angles to save space.
What is Lapere?
Lapeyre (French pronunciation: [lapɛʁ]; Occitan: La Pèira) is a commune in the Hautes-Pyrénées department in south-western France.
What is a staircase newel?
newel, also called Newel-post, upright post rising at the foot of a stairway, at its landings, or at its top. These posts usually serve as anchors for handrails. Often the stringboards, which cover and connect the ends of the steps, are framed into the newels.
Are alternating tread stairs safe?
Alternating tread stairs usually use up a lot less space than conventional ones, and are safe and comfortable once you get used to the fact that you have to lift your feet in the right order.
Do alternating tread stairs meet code?
An alternating tread device is another type of stair system that the code provides guidance on. However when provided it is very clear that the code does not allow alternating tread devices to be used in-lieu of conventional stairs as a means of egress.
What is an alternating tread device?
The IBC defines an ALTERNATING TREAD DEVICE as a device that has a series of steps between 50 and 70 degrees from horizontal… in an alternating manner so that the user does not have both feet on the same level at the same time.
What are Newels and balusters?
Newels have added weight and are seen as the support system for your staircase. The thicker posts support the handrail, while the balusters fill out the rest. Balusters are used in succession to create a balustrade, or a line of balusters. Each post contributes to the look and feel of your home’s staircase.
What is a closed stringer?
close string, close stringer, closed stringer, curb string, housed string. A staircase string whose upper edge is straight and parallel to its lower edge; the tread and riser ends are housed in the face of the string and are concealed.
Do alternating stairs save space?
What do I need to know about Lapeyre stair?
Lapeyre Stair customer service representatives can help you determine what is required based on your code and site condition. An interior handrail and/or a guard may be required if a wall or other guard is not present. DETERMINING STAIR MODEL
What is the difference between Lapeyre and alternating treads?
As the angle increases, the problem worsens. In contrast, the Lapeyre stair removes the unused half of each tread, allowing the foot to reach the next tread in a straight, direct line, providing more usable tread depth. The Alternating Tread Stair
What continuing education courses does accesslapeyre stair offer?
Lapeyre Stair offers the Continuing Education course “Simplified Steel Stair Design for Commercial and Institutional Buildings.”