![]() ![]() Wooster's quality cast treads, nosings and thresholds contain an even distribution of abrasive grit integrally cast into the surface for anti-slip protection and long wear. Width and length to order. Nosings that are set flush generally should be 3" (76.2 mm), 4" (101.6 mm) or 6" (152.4 mm) in width. UsesSpecify Abrasive Castings For:
Surface: Abrasive cross-hatch is standard and will be furnished unless plain or fluted surface is specified. (Cross hatch pattern may not match up on sections being butted together.) Fasteners: 1/4" (6.35 mm) F.H.M. plated screws and nuts with steel wing anchors for fresh concrete are standard fasteners for nosings. Countersunk holes or concealed integral anchors are also available. Drilling: Standard drilling for nosings 3" (76.2 mm) in from ends and on approximate 12" (304.8 mm) centers in single, staggered or double row according to width. DO NOT predrill support structure before tread installation. Length: Up to 8' 6" (2.59 m) in one piece for Alumogrit® or Ferrogrit®. These maximum lengths do not apply to structural treads or platforms. Call Wooster Products for more details on maximum structural sizes. Metals Available
![]() Provide Alumogrit® or Ferrogrit® type _____, size _____, safety treads/nosings as manufactured by Wooster Products, Inc. for interior and exterior stairs. Abrasive shall be #20 virgin grain Aluminum Oxide (AL203) abrasive, integrally cast into the walking surface to a minimum depth of 1/32 inch (.79 mm). Safety nosings up to 6" (152.4 mm) deep with cross-hatched surface being installed into wet concrete shall have a feature strip along the back edge. Concealed type anchors shall be slotted rivet type, integrally cast into the body of the nosing a minimum of 3/8 inch (9.53 mm). (Not mushroom type.) Cast metals used shall conform to the following specification:
Installation Note: Safety nosings going into new poured concrete or cement fill shall be installed before "INITIAL SET" of the concrete or cement occurs. Why specify Wooster Safety Stair and Walkway Products?
Wooster Products, Inc. P.O. Box 6005 1000 Spruce Street Wooster, OH 44691 Tel: 800-321-4936 Fax: 330-262-4151 E-mail: sales@wooster-products.com Web: www.wooster-products.com |