Automatic chmod under specified directory?

so i’ve my public_html fixed to 755
but everytime post add innovative files plus directories under public_html
i will have to collection them with chmod 644.

how can easily this always be done automatically

“644” is normally sufficient generally.

FILE TRANSFER PROTOCOL and CHMOD Tutorial:
http://www.phpjunkyard.com/tutorials/ftp-chmod-tutorial.php

Ron.