Apply head joints.

Applying mortar should occur at either end of the brick to form a 3/8-inch-full head joint.

IRC: Chapters 4 Links to an external site.  and 6, section 606 Links to an external site., 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?