Pre-Applied/Blindside Waterproofing Best Practices

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Webinar On-Demand
Sponsored by SOPREMA
Presented by Ephrain

Learning Objectives:

  1. Recognize the science behind pre-applied/blindside waterproofing and why proper waterproofing is critical during below-grade installations.
  2. Discuss the importance of planning throughout the pre-applied specifying process.
  3. Explore the design and decision-making process for selecting the best pre-applied product for the situation, including the pros/cons of the different product technologies available.
  4. Identify the best practices for sequencing/installing blindside waterproofing.


As an IACET Accredited Provider, BNP Media offers IACET CEUs for its learning events that comply with the ANSI/IACET Continuing Education and Training Standard.

This course discusses the unique considerations when installing pre-applied/blindside waterproofing for below-grade waterproofing applications. It reviews the science behind any below-grade waterproofing project but with a focus on pre-applied or “blindside” waterproofing best practices—including looking at the different product types and design considerations, as well as the pre-planning, decision-making, and application techniques that these demanding waterproofing projects require.


Photo courtesy of SOPREMA


With over 20 years of experience in construction, Ephrain Trujillo has specialized in waterproofing high-rise, commercial, and residential buildings over the last decade. Prior to joining SOPREMA, he was vice president of an established roofing and waterproofing company in South Florida. As SOPREMA's Waterproofing Expert and SOPREMA BEW District Sales Manager for Florida, Ephrain supports architects, consultants, developers, and contractors in designing high-performance building envelopes and waterproofing systems. He is affectionately known in the industry as "ET".


SOPREMA, Inc. SOPREMA offers a comprehensive line of commercial roofing, waterproofing, wall protection and civil engineering solutions combining superior products and systems with decades of proven performance. Our solutions include industry leading SBS-modified bitumen membranes, polymeric PMMA/PMA liquid applied membranes and synthetic single ply PVC membranes.


Originally published in September 2023