Custom Services
Metal Bar Gratings
Orsogril® Fencing
Fiberglass Gratings
Metal Safety Gratings
Perforated Metals
Expanded Metals
Wire Cloth
ACO Drain Systems
Stair Nosings and Treads
Algrip Safety Floor Plates
Architectural Grilles
Handrail Components
Construction Castings
METAL BAR GRATINGS
- Introduction to Metal Bar Gratings
- Welded Steel Grating
- Swaged Aluminum Grating
- Aluminum Plank Grating
- Pressure Locked Grating
- Stainless Steel Grating
- Riveted Grating
- Stair Treads
- Heavy Duty Grating
- Bridge Decking
- Embed Frames
- Trench Grating Systems
- Fasteners & Banding
- Panel Widths & Layout
- Manufacturing & Installation
Stair Treads
Grating Pacific fabricated Stair Treads are manufactured in the full range of products offered by Grating Pacific. Carbon steel, aluminum and stainless steel treads are manufactured with a variety of defined, visible nosings, and pre-punched end or carrier plates, ready for bolting to the stair stringers.
NOSING SELECTION
CHECKER PLATE NOSING
(For carbon & stainless steel treads only)
(For carbon & stainless steel treads only)
CAST ABRASIVE NOSING WITH MOUNTING ANGLE
(Available on all stair treads)
(Available on all stair treads)
CORRUGATED ALUMINUM NOSING
(For Aluminum treads only)
(For Aluminum treads only)
CARRIER PLATES & TREAD WIDTHS
* STEEL TREADS
3/4" thru 1-1/4" bearing bars = 1-3/4"
1-1/2" thru 2" bearing bars = 2-1/4"
3/4" thru 1-1/4" bearing bars = 1-3/4"
1-1/2" thru 2" bearing bars = 2-1/4"
* ALUMINUM TREADS
All sizes = 2-1/4"
All sizes = 2-1/4"
RECOMMENDED MAXIMUM STAIR TREAD LENGTHS*
* For treads up to 5'-6", maximum tread lengths are based on 300 lb. concentrated load on the front 5 inches of tread, at center of tread length, and deflection limited to 1/240 of tread length. When treads exceed 5'-6" in length, design allows for 300 lb. concentrated
loads at 1/3 points of tread length.
loads at 1/3 points of tread length.