Overview of Firewalls and the Use of Glass Mat Gypsum Shaftliner Panels

Sponsored by Georgia-Pacific Gypsum

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Learning Objectives:

  1. Define the functions of area-separation walls in multistory, multifamily housing construction.
  2. Compare the characteristics and advantages of the glass mat gypsum shaftliner area-separation wall to firewalls of concrete block, paper-faced shaftliner, and the two 1-hour firewalls assembly.
  3. Identify the components and understand the installation procedures of the glass mat gypsum shaftliner area-separation wall.
  4. Recognize special conditions, such as area-separation wall construction on a split-slab foundation, an offset-slab foundation, and offset roofs and penetrations.


AAA 1 Structured Learning Hour
AANB 1 Hour of Core Learning
AAPEI 1 Structured Learning Hour
SAA 1 Hour of Core Learning
MAA 1 Structured Learning Hour
NSAA 1 Hour of Core Learning
OAA 1 Learning Hour
NLAA 1 Hour of Core Learning
NWTAA 1 Structured Learning Hour
This course can be self-reported to the AIBC, as per their CE Guidelines.
This course is approved as a Structured Course
Approved for structured learning
This course is approved as a core course
Approved for Core Learning
Course eligible for OAA Learning Hours
This course is approved as a Core Course
Course may qualify for Learning Hours with NWTAA
This course can be self-reported for Learning Units to the Architectural Institute of British Columbia

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In multistory, multifamily housing, it is the area-separation wall (firewall) that prevents fires from spreading to adjacent units. This course examines the advantages of using glass mat shaftliner panels for firewall assemblies in multistory, multifamily housing and covers the installation procedures and special conditions.



Dens® Solutions are industry trusted, high-performing fiberglass mat gypsum panels suitable for your wall, roof, ceiling and floor projects. Dens®Solutions carry the mark of our valued heritage in Gold®, our patented color, as a visible standard-bearer of our position as the first manufacturer to create a fiberglass mat board and as a relentless innovator of strength and moisture resistant products for over 30 years. Dens® Solutions answer building challenges with ingenuity.