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Instructors John Harry (L) and Michael Edison (R) review work completed by course participants. Photos Courtesy Marjam, Inc.
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Participants enjoy opportunities for individual discussions with course instructors.
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HISTORIC MASONRY REPAIR & REPOINTING
WORKSHOPS ( 5 LU's)
Edison Custom SYSTEM 45 and SPEC-JOINT 46
products have been in use in Historic Register and commercial stone and masonry restoration for over 20 years. Over 2000 custom repair mortar formulations have been developed over that period of time, including
sandstone, brownstone, terra cotta, limestone, marble, granite, brick, stucco, historic concretes and others. Hundreds of lime-based repointing mortars
have also been formulated and produced, ranging from Type K to Type M in strength and design. Edison Coatings has also developed and manufactures a complete series of accesssory products,
including glazes, breathable coatings, sealants, adhesives and weatherproofing/ consolidating treatments. 
While most restoration craftsmen find working with Edison products straightforward and intuitive, there is much to be gained from the
experience of working with the products in a "hands-on" training course led by a skilled and experienced instructor. Special techniques and guidelines for their use have been developed as a
result of years of on-the-job field experience, and these will be shared with course attendees. Case studies and visual aids will also be used extensively to illustrate problem solving, materials
selection and potential pitfalls. Emphasis will be on skills and techniques used for exterior applications on vertical and horizontal masonry. Attendees will be encouraged to
participate in "hands-on" exercises, designed to provide an introduction to the working "feel" of these materials.
Course Instructors
John Harry, Restoration Consultant, worked as a restoration contractor for 20 years before becoming a masonry
restoration consultant for commercial and institutional clients. John's unique combination of practical experience, and
an understanding of building components, materials and technology provide a unique, balanced viewpoint. His focus is on "Practical Building Restoration"
Michael Edison, Chemical Engineer and President of Edison Coatings, Inc., will explain the basic principles of
how custom repair materials work, and the technical guidelines for their selection and application. He has authored a
number of articles and papers on repair materials, and has been a frequent lecturer on the subject at professional
association meetings and conferences. Mr. Edison earned his degree in Chemical Engineering from Polytechnic University (NY) and an MBA from the University of New Haven. He has been involved in product development,
technical services and project engineering for 30 years, including the past 27 years since founding Edison Coatings.
Course Outline
9:00 AM Coffee, greetings, sign-in, distribution of course notes and materials, Introduction.
9:10 AM "Hands-On" Session: "Custom SYSTEM 45 Products" The Basics: How to prepare surfaces, mix, patch, shape, carve and finish
10:40 AM Technical Session The underlying principles governing the successful use of various repair materials.
Includes extensive Case Studies: Examples of completed work and special techniques and details employed
12:10 Lunch
1:00 PM "Hands-On" Session: Techniques for casting, coating, color blending and streaking; Associated Products:
Crack repair systems, epoxy gel adhesives, terra cotta glaze repair and replacement
2:20 PM Special Session: Historic Masonry Repointing: How is masonry mortar properly designed, matched,
mixed, applied, tooled and cured? Includes "Hands-On" demonstrations of lime-cement based mortars.
4:00 PM Special Concerns: This portion of the program is devoted to special problems, objectives and concerns of
course attendees. The lecturers will remain after the close of this session to meet with attendees and to discuss any additional job-specific questions and concerns.
4:30 PM End of Session
ADDITIONAL CONTINUING EDUCATION PROGRAMS:
COLOR SCIENCE IN MASONRY & CONCRETE RESTORATION (1.5 LU's)
This 1.5 hour seminar is offered to qualified architectural, engineering and consulting firms involved in
masonry and concrete restoration. The seminar reviews the basics of color science, explores the need for objective color measurement and communication in restoration work, and examines the various systems
which have been used for cataloguing and communicating color information. Issues of color matching, color tolerance, color retention and the practical limitations in controlling color in "real world"
applications are discussed. Methods for optimizing long term color compatibility are also presented and illustrated.
MASONRY REPAIR MATERIALS: PERFORMANCE & SELECTION (1.5 LU's)
In the absence of consensual standards governing repair materials for masonry and stone, materials
specifiers must understand the significance of the various performance properties and how to prioritize the requirements for each project. This 1.5 hour seminar illustrates and explores the significance of each
of the various materials properties for stone and masonry repair materials. Through examples and case studies, participants are provided with a framework for project decision-making with regard to required
performance and viable options for material selection.
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