PHRC Webinars

Moisture-Control Layers and Materials [Archive]

5/10/2022 1:00 PM - 2:00 PM ET

Instructor: Christopher Hine (Residential Design & Construction Specialist, PHRC)


Link to Webinar:


Moisture can move in two main ways, in bulk or liquid form and in vapor form. This webinar will look at how exterior wall assemblies are designed and construction to manage both forms. We will look at construction details and material properties for managing moisture.

Learning Objectives

  1. Review how bulk water can enter the exterior wall assembly and cause structural concerns within the wall cavity.
  2. Review how water vapor moves with in a wall assembly. When dealing with water vapor, it is critical to choose the correct materials on both the inside and outside to allow the assembly to dry which will reduce the risk of mold.
  3. Review control layer properties and discuss which products should be used where in residential construction.
  4. We will look at a few assembly failures and review how the materials chosen could have played a role in the failure.


Free to attend; $20 for continuing education credit in live webinar

Credit Hours

Live Webinar: 1.0 PA L&I Contact Hour, 1.0 PA PDH, 1.0 AIA LU|HSW, 1.0 ICC Contact Hour (0.1 CEU), 1.0 NARI hour/CEU

Tags: Residential Structures and Building Code Requirements



The Pennsylvania Housing Research Center serves the home building industry and the residents of Pennsylvania by improving the quality and affordability of housing.

We conduct applied research, foster the development and commercialization of innovative technologies, and transfer appropriate technologies to the housing community.

Pennsylvania Housing Research Center

219 Sackett Building

The Pennsylvania State University

University Park, PA 16802

Phone: 814-865-2341

Fax: 814-863-7304