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Type 101 Alumogrit® and Ferrogrit® Abrasive Cast Nosings for Poured Concrete

Type 101 Alumogrit® and Ferrogrit® Abrasive Cast Nosings for Poured Concrete

Wooster’s quality cast nosings contain an even distribution of abrasive grit integrally cast into the surface for anti-slip protection and long wear. Width and length to order. Available in ALUMOGRIT® (abrasive cast aluminum) and in FERROGRIT® (abrasive cast iron).

Specify abrasive castings for:
Maximum durability for Indoor or Outdoor use
Product resistant to corrosive environments
Ready to install convenience for new construction or existing buildings

Type 101 – Nose 1/4".
Chief use: as nosings in concrete stairs.

Specification
    • 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 (AL2O3) abrasive, integrally cast into the walking surface to a minimum depth of 1/32 inch.
    • Safety nosings up to 6″ deep with cross-hatched surface being installed into wet concrete shall have a “Feature Strip” (Trademark 3571602) 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.
    • Cast metals used shall conform to the following specification:
      • Alumogrit® (Abrasive cast aluminum): No. 43 secondary ingot; low copper content; corrosion resistant.
      • Ferrogrit® (Abrasive cast iron): Class 20 iron; high silicon; machinable; hypereutectic.
    • Any holes or countersinks shall be machine made. Screwheads shall not protrude above tread surface.
    • All metal types shall have shot blasted finish; Ferrogrit® treads shall have one coat shop black paint.
    • Cross hatching and fluting shall be 1/16 inch deep minimum and shall be clean and well defined.
    • Nosings shall terminate not more than 4″ from ends of steps for poured concrete stairs; for concrete filled steel pan stairs, nosings shall be full length of steps less 1/8 inch clearance.
Technical specification
  • Unique ref.alumogrit-ferrogrit_cast-nosings-type-101
  • Product familyAlumogrit® and Ferrogrit®
  • Product groupCast Nosings
  • TypeObject (single object)
  • Date of publishing2021-02-09
  • Edition number1
Related
  • Designed inUnited States
  • Manufactured inUnited States
Classification
  • BIMobject CategoryConstruction - Stairs
  • IFC classificationStair
  • UNSPSC nameStair parts
  • UNSPSC code30161908
  • Uniclass 2015 CodePr_35_90_31_74
  • Uniclass 2015 DescriptionRigid stair nosings
  • CSI MasterFormat 2014 Code05 55 00
  • CSI MasterFormat 2014 TitleMetal Stair Treads and Nosings
  • OmniClass Number23-17 23 17 11 13
  • OmniClass TitleStair Nosings
  • CSI UniFormat II CodeC2020
  • CSI UniFormat II TitleStair Finishes

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States