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The precast cement stair tread has one bolt attaching it to the
metal stair stringer. This is fine if the metal and concrete a
perfectly flat of straight. If there not flat you can use
metal washers to shim the stair
treads.
Concrete Stair That Meet Building Code
Correct Bottom of Metal Handrail
Door at Stairs
End Nailing
End Nailing Stair Landing
Fire Blocking
Gluing Stair Treads
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