Webinar instructions will be emailed before the date of the webinar.

Please log into the webinar 15 – 30 minutes before start time.

Tuesday, June 28, 2022
10:00 am – 12:00 pm CDT


Presented by
Tim Krahn

Agenda Highlights:
Alternative/natural material inventory
Design for sustainability and site, material compatibility
Engineering standards and code compliance
Case studies – fibre + binder as infill in wood construction, mass walls of rammed earth


Webinar Instructions

Each webinar session earns continuing education credit and can be registered for individually. All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion can be downloaded in PDF form upon passing a short quiz. A link to the quiz will be sent to each qualifying attendee immediately after the webinar. The certificate can be downloaded from the Results page of the quiz upon scoring 80% or higher.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements:
Windows 7 – 10 or Mac OSX Mavericks (10.9) – macOS Catalina (10.15)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection: Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information, visit the Support section at


Professional Engineers:
2.0 PDHs

2.0 HSW CE Hours

International Code Council:
.2 CEUs (Building)


Continuing Education Credit Information
See each course listing for the type and amount of each continuing education credit available. Individual courses for engineers and architects are not subject to pre-approval. HalfMoon Education does not apply for landscape courses in NY or land surveyor courses in NJ or TN, unless expressly stated.

HalfMoon Education Certifying Entities
American Institute of Architects Continuing Education System (No. J885)
International Code Council (No. 1232)
Landscape Architect Continuing Education System
American Institute of Certified Planners (AICP)
Boards of Engineering: Florida (No. 0004647), Indiana (License No. CE21700059),
Maryland, New Jersey (Approval No. 24GP00000700), and North Carolina (No. S-0130).

Course-by-Course Providers:
Association of State Floodplain Managers
International Society of Arboriculture
Society of American Foresters

HalfMoon Education is deemed a New York-approved continuing education provider for engineers, architects, and landscape architects via its registration with the American Institute of Architects Continuing Education System (Regulations of the Commissioner §68.14(i)(2), §69.6(i)(2), and §79-1.5(i)(2)). Only AIA HSW-approved courses qualify for New York engineer and architect credit.

Completion certificates will be awarded to participants who complete this event, respond to prompts, and earn a passing score (80%) on the quiz that follows the presentation (multiple attempts allowed).


Tim Krahn

Registered Professional Engineer, Partner in Building Alternatives Inc.
Mr. Krahn holds a master’s degree in geotechnical engineering and a Bachelor’s degree in civil engineering from the University of Manitoba. He has experience in residential and commercial construction and holds a certificate in carpentry and wood working from Red River College. Mr. Krahn is also a LEEDTM accredited professional, an active member of the Timber Frame Guild’s Timber Frame Engineering Council and a founding member of the Natural Building Engineering Coalition. He spent five years on the board of directors for the Ontario Natural Builder’s Coalition, three of those as chair. Mr. Krahn currently sits on the Standing Committee for Housing and Small Buildings under the Canadian Centre for Building and Fire Codes. He is the author of “Rammed Earth Construction”, part of the Sustainable Building Essentials series from New Society Publishers.

Building Alternatives Inc. (BAI) is a consulting engineering firm licensed in British Columbia, Alberta, Saskatchewan, Manitoba, and Ontario. BAI specializes in engineering design using low-embodied energy, low carbon emission materials such as wood, earth, stone, straw, clay, hemp, and lime. This engineering design includes the techniques with which these materials are combined and assembled and incorporates responsible and appropriate current technologies such as air barrier membranes and geosynthetics that allow new applications of the older, time-tested materials. BAI actively participates in educational programs both at university and college level institutions as well as through professional and trade associations.

AIA Info

AIA Provider Statement:

HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES ( or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: Building with Alternative Materials: Timber, Fibre, Stone and Soil

Delivery Method: Live Online

Course Description: This two-hour course identifies and closely examines the properties and use of alternative building materials, including timber, fibre, stone and soil, with a focus on sustainability and compatibility.

Learning Objectives:

Learning Objective 1:
Learners will be able to identify and discuss alternative and natural building materials, including timber, fibre, stone and soil.

Learning Objective 2:
Learners will be able to use alternative materials to design for sustainability and site and material compatibility.

Learning Objective 3:
Learners will be able to identify and understand engineering standards and code compliance with alternative materials.

Learning Objective 4:
Learners will be able to understand the different uses of natural materials through case studies, including fibre as infill in wood construction and soil in mass walls.

LUs: 2.0                                                                                              LU Type: LU|HSWs.

Prerequisites: Experience with residential or commercial building and materials

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 

Complaint Resolution Policy:

Complaints regarding this course can be emailed to or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.


Webinar Price: $109.00