The stair tread features a cast aluminum warning nosing strip with an abrasive body insert, specified as Balco H-224 or equal, in a black color. The nosing is aligned typically across the riser edge of the stair with a four-inch dimension from the stair edge. This tactile warning strip enhances slip resistance and visibility at the stair edge.
RISER EDGE OF STAIR WARNING NOSING STRIP; CAST ALUMINUM W/ ABRASIVE BODY INSERT, BALCO H-224, OR EQUAL; COLOR: BLACK 4" ALIGN, TYP.
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