Title: Apply head joints.
Course: Building Trades I (17009-I) > Section: Masonry: Using Masonry Skills

Application of mortar should be made to either end of the brick to form a 3/8-inch-full head joint.

IRC: Chapters 4 (https://codes.iccsafe.org/content/IRC2018/chapter-4-foundations) and 6, section 606 (https://codes.iccsafe.org/content/IRC2018/chapter-6-wall-construction), outline types of joints and the joint-required thickness based on materials and structural code requirements.

Process/Skill Questions:

- What is the function of a head joint?
- Why is it important to have full head joints?

NCCER Standards:

Core Curriculum: Introductory Craft Skills

  - 00101-04 Basic Safety

Masonry: Level One (L1NCCT28)

  - 28105-04 Masonry Units and Installation Techniques