1.
Spot over all fasteners with FastFlash or Joint & Seam Filler.

2.

Apply a thick bead of FastFlash or Joint & Seam Filler to all sheathing joints.

3.
Use a dry joint knife or trowel to spread 1 inch beyond the seam on each side to a minimum thickness of 12 mils (FastFlash) or 20 mils (Joint & seam Filler).

4.

Follow sheathing manufacturer recommendations to repair joints or gaps greater than 1 inch.

5.

Apply the selected PROSOCO primary air and water-resistive barrier over the prepared sheathing wall.