Stair terminology the tread can be made from grating or from pans both shown in figure 1.
Metal pan stairs with concrete treads.
Stairpans are used in commercial steel stair construction to hold poured concrete for safe and durable walkways that provide strong support.
Grating is typically used in industrial.
Structural steel components tread.
Grating and concrete filled pans are used.
The stair components systems division provides components to the commercial steel stair builders industry.
Do not use salts or deicers on stair treads.
Pacific stair corporation s 100 series concrete filled stair system is our most affordable standard stair system.
With decades of experience manufacturing steel stairpans for the commercial building industry you can trust that eberl stairpans are manufactured out of highest quality sheet and plate steel and are formed with the tightest of tolerances improving.
This article does not cover orna mental or circular stairs.
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Century concrete stair treads are manufactured using air entrainment and admixtures which make them resistant to freeze thaw cycles salts and deicing agents.
Stair metal pan with concrete toping.
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The pans are built to be filled with concrete after they are installed thus creating an attractive and long wearing surface.
Precast concrete is resistant to most substances and will not rust or corrode like metal stair pans.
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