Vacuum Bagging Basics

Step 15 Seal and Vacuum!

OK! Carefully peel back the tape backing a few inches at a time and press down on the bag to seal everything in. Attach your pump and begin sucking the air out. Once vacuumed to a satisfactory level, pinch the tube shut with your clamp and review the assembly for any signs of a leak. You'll know if this is happening by the tightness of the bag against the part. It should be quite tight.

Now go to the next step to show some more variations on how to troubleshoot leaks.