I'm comming in late on this one. My reader is only showing from this post
on. But.......

If you are in need of doing a large area you might want to "Infuse" it if
you can, or have access to vacuum equipment that is capable of the job. You
could even rent the vacuum pump for the day you need it.

http://www.engr.ku.edu/~rhale/ae510/.../vartmwebsite/