Cautionary Statement		8
Introduction		9
Chapter 1	Metal Lath History	13
Chapter 2	Tools of the Trade	18

	Typical tools used for expanded metal installation: Cutting tools Measuring and Leveling Tools Installation Tool Safety Equipment Scaffolding, Ladders, and Platforms

Chapter 3

Terminology and Definitions

25

	Lathing Terminology Plastering Terminology

Chapter 4

Metal Lath, Styles, Weights, and Applications

34

	Metal Lath: Types and applications Expanded Metal Lath Diamond Mesh Lath Self-furred Diamond Mesh Lath Rib Lath Expanded Stucco Mesh Stucco Netting and Weld Wire Lath Paper Back Lath and Paper Backings A Detailed Look at Paper Backing Metal Lath Paper Laps, Basic Fastening Information and Other Considerations AMICO® Secura Lath ®7 (Security Lath)

Chapter 5

Metal Lath Accessories

49

X66, N66 or #66 Casing Bead (Plaster Stop) Foundation Weep Screeds X1, #1, 1A, X2 or Double X Corner Beads Welded Wire Corner Reinforcement and Casings Expansion/Control Joints The Control Joints versus Expansion Joints Controversy Strip and Corner Lath Cold Rolled Channel Stucco Reveals Stucco Reveals Soffit Vents Miscellaneous Accessories: Rusty Bead Concerns External Corrosive Elements The simple Answer to the Corrosion Problem in Beads

Chapter 6

Metal Lath Attachment

75

	Fasteners Fastening to Wood Framing Fastening to Metal Framing Fastening to Concrete and Concrete Block (CMU’s) Fastening to Cold Rolled Channel (CRC) Metal Lath Attachment

Chapter 7

Precautions Prior to Metal Lath Installation

80

	Movement and Stress on the Stucco Membrane The Power of the Written Word A Strong Foundation Structural Framing Materials Sheathing Materials Weather barriers Flashing, Flashing, Flashing

Chapter 8	Metal Lath Related Specifications	90

Chapter 9

Metal Lath Installation Techniques – Ceilings

91

Suspended, Direct Applied Contact, and Furred Ceilings Suspended Ceiling Installation The hanger system Anchor and Hanger Installation for Suspended Ceilings Suspended from Poured-in-Place or Precast Concrete Ceilings Anchors for Attachment to Structural Steel and Light Gage Steel Framing Suspended Ceilings from Steel Joist, Direct Wire Attachment Suspended From Wood Joists Attachment of Hanger Wires to Wood Joist Hanger Wire Installation Attachment of Hanger Wire to Main Runners Runner and Cross Furring Placement Requirements Attachment of Cross Furring Channels to the Main Runners Splicing of Main Runners and Cross Furring Uplift Deterrents for Suspended Ceilings

Chapter 10

Metal Lath Installations, Furred Ceiling Installations

111

Furred Ceilings Attached to Masonry or Reinforced Concrete Furred Ceilings Attached to Steel Beams and Bar Joist Furred Ceilings Attached to Wood Beams or Joist Metal Lath Installation for Suspended, and Furred Ceilings Direct Applied Ceilings or Contact Metal Lath Ceilings Lath Selection for Direct Applications Stagger All Lath Joints Lapping of Metal Lath Direct Attachment to Wood Joist Lath Applied to Wood Joist Attachment of Lath to Open Web Steel Joists Expansion/Control Joint Installation in Ceilings

Chapter 11

Metal Lath Installation on Walls

124

	Attachment to Wood or Light Gage Steel Framing over Sheathing Lapping of Metal Lath and Paper Backing Self-furred Paper Backed Metal Lath Installation over Sheathing The significance of Stucco Thickness Variation Installation of Expanded Metal Lath to Open Frame Construction (No Sheathing)

Chapter 12

Installation of Metal Lath Accessories for Applications over Framed Walls

137

	Foundation Weep Screed Casing Beads Casing Bead Installation With Required Paper Application Splicing of Expanded Flange Metal Casing Beads Two Piece Expansion Joints One Piece Expansion Control Joints Corner and Strip Lath Corner Beads

Chapter 13

Paper Backed Metal Lath Applications Over Masonry or Concrete

156

	To Apply Paper Barriers or Not to Apply Paper Barriers Lapping of Metal Lath and Paper Backing ASTM Attachment Requirements for Masonry or Concrete Accessory Installation for Masonry Stucco Applications

Chapter 14

Welded Wire and Woven Wire Lath

162

	Welded Wire Lath Woven Wire Lath

Chapter 15

Fasteners, A Detailed Review of Fasteners

167

	Attachment of Metal Lath and Accessories Attachment to Wood Framing or Furring Attachment to Metal Framing or Furring Attachment to Masonry or Concrete

Chapter 16

Ceramic and Quarry Tile Applications for Floors and Walls, and for Floor Leveling with Metal Lath

173

	Metal Lath Installation Tile Embedment Floor Leveling

Chapter 17

Security Lath Installations

179

	Product Development Product Description Accessories

Chapter 18

Unusual Applications for Metal Lath

182

	Artificial Tree and Rock Formations Utilizing Metal Lath

Chapter 19

Problems Arising From Installation Errors

185

Improper Wood Based Sheathing Installation Techniques Improper Selection of Lath by Weight or Style for Span or Application Improper Installation of Metal Lath or Paper Backed Lath Improper Fastening of Metal Lath or Accessories Improper Installation of Metal Lath Accessories or use of the Wrong Accessory Material for Certain Applications Improper Installation of or Inadequate Number of Expansion/Control Joints Improper Installation of Flashing and Sealants at All Possible Points of Water Entry Improper Installation of Suspended Ceilings by Restricting the Movement of

Chapter 20

Elastomeric Finishes over Portland Cement Stucco

211

Chapter 21

One-Coat Stucco Systems

213

Chapter 22

Codes and Specifications

216

Chapter 23

Reference Information

222

Bibliography		229
Prolog: About the Author		234
Acknowledgements		236