The Importance of Lath Embedment in Portland Cement-Based Plaster (Stucco)

Stucco is a popular and durable finishing material that offers many benefits, combining safety and affordability while satisfying aesthetic needs. It can be applied to various surfaces using a lath system, which provides support for stucco. However, the quality of the stucco lath embedment can greatly affect its performance. This course covers the proper technique for achieving lath embedment, the different types of metal lath and their various applications, and regional material preferences.

Upon completion of this course, the Learner should be able to:

Compare portland cement-based plaster (stucco) to other types of popular plaster and define its basic components.
Describe the many positive attributes of stucco that contribute to the creation of a safe and comfortable environment for occupants.
Determine the impact of proper lath embedment on stucco’s performance and durability.
Recognize the different types of laths that are used regionally and nationally, their various attributes and advantages, and their contribution to safety and durability.

Approximately 1 hour. Delivered online, at your own pace.

Presented by Christopher K. Little, CSI, CDT, LEED Green Associate on behalf of ClarkDietrich. View the Privacy Policy .

Presenter Information

Name: Christopher K. Little, CSI, CDT, LEED Green Associate

Title: Senior Category Manager, Clark Dietrich

Background:

Currently: Senior Product Manager, ClarkDietrich Building Systems – 10 years
Responsibility for product quality and standardization for 4 manufacturing plants in U.S. Leads product development for the Wet Wall Category and writes technical responses and architectural letters.

Previously: Group Product Manager, Alabama Metal Industries (AMICO) – 9 years

Credentials:
• Credential: LEED Green Associate, USGBC, March 2010
• Credential: Construction Document Technologist, CSI, 1992
• Credential: ACI 530, Structural Masonry Specialists, FC & PA, 1992
• Credential: AWCI, Certified EIFS Professional, 2010
• Structural Masonry Specialists: Passed ACI 530 FC & PA, 1994
• Subchair of Technical Committee: Plaster & Stucco, AWCI
• Member: ASTM C11 & C15 committees, C1063 (lath installation), C847 (lath properties)
• Developing member: Installation Standard of Manufactured Veneer Stone, ASTM C15
• Member of Technical Committee: MVMA (Masonry Veneer Manufacturers Association)
• Supplier Member: National Fireproofing Contractors Association
• Member: Florida Lath & Plaster Bureau
• BS, Industrial Management: Auburn University, 1987

Articles Written:
• "Lath Integrity: You 'Don’t Get' What You Paid For," Masonry Magazine, February 2012; Walls & Ceilings Magazine, March 2012
• "A Stone’s Throw Away: Comparing Stucco and Thin Veneer Stone Installation," Walls & Ceilings Magazine, August 2012
• "Ensuring Lath Integrity," coauthored, Construction Specifier Magazine, June 2013
• "A Better Way to Reinforce Stucco & Thin Stone," Walls & Ceilings Magazine, April 2015
• "What’s Going on in the Lath & Plaster Industry," August 2016
• "A Time for Color," Walls & Ceilings Magazine, December 2017
• "A New ASTM for Plaster Accessories," Walls & Ceilings Magazine, September 2018
• "Stucco Applications in Continuous Insulation Systems," Walls & Ceilings Magazine, February 2020

White Paper: “The Importance of Embedment in Cement Plaster Systems”
Written and published by ClarkDietrich in 2022, the paper defines metal lath embedment and compares different lath styles and their advantages and disadvantages in terms of embedment.

This course is registered with: 26 Industry Association(s)

Industry Association(s)

American Institute of Architects (AIA)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

AIA/CES Learning units: 1

AIA approved course. This course qualifies for 1.0 LU/HSW Hour.

AEC Daily reports Learning Units on members' behalf.

Health, Safety, and Welfare (HSW)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Hours: 1

This course qualifies for HSW.

American Construction Inspectors Association (ACIA)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Credits: 1

This course is approved for ACIA RCI CEUs. This course qualifies for HSW.

ACIA members self-report to ACIA by submitting their certificate of completion to ACIA for RCI renewal.

American Institute of Building Design (AIBD)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

CE Hours: 1

AIBD approved course. This course qualifies for HSW.

AEC Daily reports Learning Units on members' behalf.

American Institute of Constructors (AIC)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

CPD Hours: 1

AIC approved course.

Hours must be self-reported to the AIC.

Building Owners and Managers Institute - Continuing Professional Development (BOMI CPD)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

CPD Hours: 1

BOMI approved course. This program qualifies for BOMI Institute Continuing Professional Development (CPD) credit for RPA, FMA, and/or SMA graduates. This course qualifies for HSW.

Members must self-report CPD hours.

California Council for Interior Design Certification (CCIDC)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

CE Hours: 1

CCIDC approved course. This course qualifies for HSW.

Members must self-report CEU hours to CCIDC.

Florida Board of Professional Engineers (FBPE)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Provider Number: 0004278, Sequence Number 0000031

PDHs: 1

FBPE approved provider.

International Code Council (ICC)

Course Number/ID: AEC1957:1

Approval ID: 40853

Provider Number: 1293

CEU: 0.1

AEC Daily is an ICC Preferred Provider. This course qualifies for ICC Certification Renewal.

The International Association of Certified Home Inspectors (InterNACHI)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

CE Hours: 1

InterNACHI approved course. This course qualifies for HSW.

Members must self-report CE hours to InterNACHI.

The Louisiana State Board of Architectural Examiners (LSBAE)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Hours: 1

LSBAE approved course.

Credit hours will be reported through cebroker.com

National Association of Home Builders (NAHB)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

CE Hours: 1

This program meets NAHB's continuing education requirements for one or more of the following designations: Certified Graduate Associate (CGA), Certified Graduate Builder (CGB), Certified Graduate Remodeler (CGR), Certified Green Professional (CGP), Graduate Master Builder (GMB), Graduate Master Remodeler (GMR), Certified Aging-In-Place Specialist (CAPS)

National Association of the Remodeling Industry (NARI)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

CEUs: 0.1

NARI approved course.

0.1 CEU toward certification renewals. 1 Hour toward certification application.

Registered Continuing Education Program (RCEP)

Course Number/ID: AEC1957:1

Approval ID: 187838

PDH: 1

AEC Daily is an RCEP-approved continuing education provider.

Credit earned on completion of this program will be reported to RCEP.

Rocky Mountain Masonry Institute (RMMI)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Credit Per Hour: 1

This is a RMMI approved course.

RMMI will confirm certification credit upon receipt of Certificate of Completion (members must self-report).

The Alberta Association of Architects (AAA)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Provider No.: A-002

Learning hours: 1

This course is approved as a Structured Course.

AAA Members must self-report their learning hours to AAA.

AANB + ALBNL + NSAA (AANB + ALBNL + NSAA)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Core Hours: 1

This course is EPP approved.

Members must self-report their learning hours on the RAIC|Architecture Canada Transcript Database, https://raic.org/transcripts

Architects Association of Prince Edward Island (AAPEI)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Learning hours: 1

This course is approved as a Core Learning Activity.

Members must self-record their learning hours on the RAIC|Architecture Canada Transcript Database, https://raic.org/transcripts.

Architectural Institute of British Columbia (AIBC)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Learning units: 1

AIBC members may self-report this learning activity for consideration of AIBC learning units.

Canadian Association of Home and Property Inspectors (CAHPI)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

MRC Hours 1

CAHPI approved course, MRC Hours.

Members must self-report MRC hours to CAHPI.

Construction Specifications Canada (CSC)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

PDE Hours: 1

CSC approved course. This course qualifies for HSW.

Members must self-report PDE hours to CSC.

Newfoundland & Labrador Association of Architects (NLAA)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Learning units: 1

This course is approved as a core course.

Members must self-report LUs through the MCET National Con Ed reporting website. (www.architranscripts.ca/default.htm)

Northwest Territories Association of Architects (NWTAA)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Learning Hours: 1

This course is approved as a Structured course.

Members must self-report Learning Hours through the National Con Ed reporting website at https://www.raic.org/transcripts/default.htm

Ontario Association of Architects (OAA)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Hours: 1

This course may apply to both OAA structured and unstructured learning as long as it addresses the required subject matter topics.

Members must self-report activity to OAA and retain your Certificate of Completion.

Ordre des architectes du Québec (OAQ)

Course Number/ID: AEC1957:1 / Cours#AEC1957:1

Approval ID: AEC1957:1

Hours / Nombre d’heures: 1

This course qualifies for self-directed learning activity with the OAQ. / Ce cours est reconnu par l’OAQ comme activité d’auto-apprentissage.

Members must self-report hours to OAQ. / Les membres doivent rapporter eux-mêmes leurs heures à l'OAQ.

Saskatchewan Association of Architects (SAA)

Course Number/ID: AEC1957:1

Approval ID: AEC1957:1

Provider No.: 1036

Learning units: 1

This course is approved as a core course.

Members must self-report LUs through the RAIC National Con Ed reporting website. http://raic.org/transcripts.

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The Importance of Lath Embedment in Portland Cement-Based Plaster (Stucco)

Presenter Information

Industry Association(s)

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