To seal the seams between sheathing panels, the author’s crew starts by outlining them with 2-inch-wide painter’s tape.
Slideshow: Sealing Panel Seams
A first pass fills in the joint.
Slideshow: Sealing Panel Seams
The next zig-zag pass applies enough sealant to lay down a thick bed.
Slideshow: Sealing Panel Seams
The sealant is smoothed out, resulting in a robust seal with the blue tape removed.
Slideshow: Sealing Panel Seams
To help take the cost out of the system, the author does now use Zip System tape on the wide expanse of the walls. For these seams, rolling is critical to activate the pressure-sensitive tape adhesive.
Slideshow: Sealing Panel Seams
The author also uses tape on the expanse of the roof.