Damplifier and Damplifier Pro can be applied in temperatures down to 30 degrees below zero without issue, but it will get more stiff an less flexible the colder it gets.Heat it up and it will get more malible and easier to work with. For adhesion, any temperature will do.
Our website emails you the directions the very moment you order the product. It actually takes in to consideration the products you purchased, and gives you a link to the exact location of the directions online, this way you can view them or print them out before the product even shows up.
If you ordered over the phone, we send you an email with a link to the directions and videos page on our website.
Here it is incase we did not send you the email on a phone order:
http://www.secondskinaudio.com/installation-instructions.php
Hope that helps!
ANT