Vacuum Bagging Basics

Step 7 Sealing the First Side

Now begin to peel some of the tape backing on one side and carefully apply the folded side of bagging plastic over, all the while keeping tension from the upper left corner in this picture.

You don't see my right hand in this picture because I'm holding the camera, but if that weren't the case, I'd be applying a little tension from the upper left to the bottom right corner on the lower right corner of free plastic. This helps ensure that we have fairly symmetrical halves facing one another.