3/8" Rib Lath

the most rigid of all Expanded metal lath products

A High-Rib Metal Lath with a herringbone mesh pattern and seven, 3/8" deep, longitudinal, solid steel ribs at intervals of 3-7/8" across the sheet. These ribs provide the superior strength and exceptional rigidity required when framing is more than 16" on center but does not exceed 24" on center.

Description

Commonly used for soffits and ceilings under steel or wood joists construction.

The heavy ribs enable use on ceiling or wall spans at 24" compliant to Table 3 of ASTM C1063. This reinforced lath product is also used on 2” stud-less partitions and as reinforcement for concrete floor and roof slabs.

Resources

ASTM & Code Standards:

  • Product specifications
    • ASTM C847 Metal Lath
    • ASTM C841/C1063 Veneer and plaster accessories
    • ASTM C1047 Beads and trims–metal–paper–vinyl
    • ASTM C933 Specification for welded wire lath
  • Material specifications
    • ASTM A1003 (NS33, ST33L, ST33H, ST50L, ST50H)
    • ASTM A653 Zinc-coated hot-dip process
    • ASTM A653/B69 Veneer and plaster accessories/standard spec for zinc strip
  • Protective coating standards
    • ASTM A653  Zinc-coated hot-dip process
    • ASTM C1063 Veneer and plaster accessories
    • ASTM C1047 Beads and trims–metal–paper–vinyl
  • Installation standards
    • ASTM C1063 Installation of metal plaster base systems
    • ASTM C1780 Installation of adhered manufactured stone veneer
  • All ClarkDietrich Expanded Metal Lath is fabricated from prime galvanized steel, G60 zinc coating by the hot dipped method, conforming to Specification ASTM A653/A653M.
  • Intertek CCRR-0204 - Metal Lath - Code Compliance Research Report
    Check the updated list of Certified Production Facilities at Intertek's website at www.intertek.com/building/sfia
  • SDS & Product Certification Information
Submittals

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Product Code Description
LAR 3/8" Rib Lath

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