Event Feb2020
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CSC February Lunch Meeting

When: Thu, 13-Feb-2020 11:30 - Thu, 13-Feb-2020 13:30

Where: 180 West Georgia Street, Vancouver, BC

Lightweight Insulating Concrete and Roof Insulation

Presented by John Rose

John Rose is the Manager for Siplast Lightweight Insulating Concrete Roof Insulation Systems.   His career spans over 35 years in the roofing and the fire protection industry. Prior to joining Siplast in 1995, he worked for W. R. Grace involved with roofing, waterproofing and fire protection products in marketing and technical field services.  He received his Bachelor of Science degree in Geology from Penn State University. John is a member of the American Concrete Institutes Technical Committee 523 on Low Density Concretes and Technical Committee 213 on Lightweight Aggregates and Concrete.  He also sits on ASTM Committee C09 for Concrete and Concrete Aggregates.  He is on the board of directors of the National Roof Deck Contractors Association.  His most recent article was published in the August 2018 issue of Roof Consultants Institute Interface Magazine.


A discussion on roof insulation in sustainable building envelope design and the role lightweight insulating concretes systems contribute to that concept.  The specific topics of energy efficiency, sustainability and environmental responsibility will be discussed.  Also included is a discussion on the changing dynamic in the roof insulation marketplace.  With Polysio R-values having been reduced and building code requirements increasing the design R-values, the roof insulation component is becoming the more costly than the roof membrane in some cases.


  1. Engineering design properties such as composite construction, acoustics, fire resistant construction, wind uplift and thermal properties for roof insulation systems.
  2. The history of LWIC.
  3. Different types of LWIC and component characteristics.
  4. Mass effect of insulations and LWIC.
  5. American Concrete Institute guidelines for LWIC.
  6. Sustainability of roof insulation systems and performance characteristics.
  7. Structural lightweight and lightweight insulating concrete.


Max. Participants: 50

Sign up before:
Wed, 12-Feb-2020 17:00


Email: Click here


180 West Georgia Street, Vancouver, BC

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