I stumbled across this video while researching water proofing for a project I'm doing. Its a long video but has some good tips
[video=youtube_share;KCdX8Z5R_w8]http://youtu.be/KCdX8Z5R_w8[/video]
[video=youtube_share;KCdX8Z5R_w8]http://youtu.be/KCdX8Z5R_w8[/video]