Why a Liquid-Applied Membrane May Be Your Next Roof

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Live webinar airing on May 20, 2021 at 2:00 PM EDT
Sponsored by GAF
Presented by Jennifer Keegan, AAIA, and James Kirby, AIA

Learning Objectives:

  1. Discuss the building code requirements for new construction, reroofing and re-covers for liquid-applied membranes and the related definitions within the codes.
  2. Classify material types and discuss the characteristics of common materials used as liquid-applied membranes and when to use them.
  3. Describe the testing requirements and assembly components (including substrates) for liquid-applied membranes when used as part of an approved roof covering.
  4. Discuss the specific steps for proper application of liquid-applied membranes and recognize the importance of proper substrate preparation.

Credits:

HSW
1 AIA LU/HSW
IACET
0.1 IACET CEU*
IIBEC
1 IIBEC CEH

Coatings aren’t just for maintenance. Liquid-applied membranes (LAM) are being used more and more as the weatherproofing layer of a roof system for new construction, reroofing and re-covers. While a LAM can use the same materials as a traditional roof coating, they are much different. The building code (finally!) separates liquid-applied coverings and roof coatings; the specifics will be provided. The types of materials used for LAMs and their material characteristics—focusing on polymer-based products—will be examined. Roof system design, approval listings, as well as proper application methods will also be discussed. This presentation will help anyone involved in the design and specification, installation, or ownership of LAM-based roof systems.

Liquid Applied



Jennifer

Jennifer Keegan, AAIA, is the Director of Building & Roofing Science for GAF, focusing on overall roof system design and performance. Jennifer has over 20 years of experience as a building enclosure consultant specializing in assessment, design and remediation of building enclosure systems. She provides technical leadership within the industry as the Chair of the ASTM D08.22 Roofing and Waterproofing Subcommittee, and the education chair for IIBEC; and as an advocate for women within the industry as an executive board member of National Women in Roofing and a board member of Women in Construction.

Jim

James R. Kirby, AIA, is a GAF Building & Roofing Science Architect. Jim has a Masters of Architecture—Structures Option, and he is a licensed architect. He has over 25 years of experience in the roofing industry covering low-slope, steep-slope, metal, SPF, vegetative, and rooftop photovoltaics. Jim presents building and roofing science information to architects, consultants and building owners, and he writes articles and blogs for building owners, facility managers and the roofing industry at-large. He is a member of AIA, ASTM, ICC, IIBEC, NRCA and WSRCA.

 

GAF More homes and businesses in the U.S. are protected by a GAF roof than by any other product. We are the leading roofing manufacturer in North America, with plants strategically located across the U.S. GAF is part of the largest roofing and waterproofing business in the world. www.gaf.com/en-us/our-company

 

Originally published in May 2021

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