Weather-Related Effects on Installation of Fully Adhered Single Ply Systems

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Sponsored by Duro-Last®, Inc. and MFM Building Products
Presented by Zebonie Sukle

Learning Objectives:

  1. Understand how environmental and application conditions such as temperature, relative humidity (% RH), and coverage rates impact using adhesives.
  2. Understand the implications of using fully adhered specifications during the spring and fall seasons.
  3. Gain a better understanding of how environmental conditions impact flash times of adhesives.
  4. Understand the implications and impacts on future codes.

Credits:

HSW
1 AIA LU/HSW
GBCI
1 GBCI CE Hour
IIBEC
1 IIBEC CEH

Presentation on the relationship between temperature and dew point differentials and the impacts they may have on the performance of adhesives. Two case studies will be evaluated along with supporting lab data to highlight the importance of understanding environmental conditions and the role they play in proper adhesive drying.

Due to environmental concerns and code restrictions with solvent-based single ply adhesives, the use of water-based (WB) and low-VOC solvent-based (LVOC) adhesives is becoming much more popular in the low-slope roofing market. At the same time, the roofing industry has become concerned with the longer drying times exhibited by WB and LVOC products because both react differently to environmental conditions than solvent-based adhesives. This is especially true during changes in ambient temperatures and dew points up on the roof.

While there is a general industry consensus that most of these issues revolve around WB adhesive drying rates, it has been found that similar problems may also apply to LVOC adhesive products. These concerns have taken the form of blistering and/or inadequate adhesion of the single ply membrane to the substrate when using WB and LVOC adhesives in certain environmental conditions.

Zebonie Sukle is the Single Ply Engineering Manager for Johns Manville Roofing Systems. In this capacity, Zeb manages the team with responsibility for TPO, PVC, and EPDM membranes, accessories and fasteners. She represents JM on the SPRI Board and is actively involved in the roofing industry. Zeb has been recognized for her contributions to JM for product improvements, development, engineering excellence and innovations. She has an MBA from Colorado State University and a BS in Applied Physics from Colorado Mesa University. During her career she had received a number of awards for her accomplishments including the CSU Executive MBA LEAD Award.



Duro-last

MFM Building Products Corp

 

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