HOW METAL STAIRS CAN SAVE YOU TIME, STRESS, AND MONEY.

Stair stringers serve as the assistance framework for that stair flight. Stringers can be side mounted for the treads or positioned beneath the treads. Useful stairs for company stairwells and egress stairwells usually have side mounted stringers.OSHA needs railings on open up sides of stairwells as well as a handrail on at the very least on side,