Barrier Bac VB-350 - Manual (Page 7)

Tape
Cut corners approximately half
the height of Block Out
Vertical seam tape Block Out
- 1 -
- 2 -
All penetrations must be sealed with the Barrier-Bac and BB20T Seam
Tape.For square posts, please seal penetrations with Block Out Seam-
ing Methods.
Cut a piece of Barrier-Bac Vapor
Retarder Membrane twice the
height and one and one-half the
length of the perimeter of the Block
Out. Wrap membrane around Block
Out and temporarily tape vertical
seam.
Make cuts in each of the four cor-
ners approximately half the height
of the Block Out. Remove formed
Block Out membrane form, flip over
and replace on Block Out spreading
flaps to horizontal position.
Tape all flaps securely with Barrier-
Bac Seam Tape.
VB Installation Guidelines 6
Step 4B: Seal Penetrations - Square Penetrations
VB Products Installation Guidelines
IntePlus®  
IntePlus® xf film