cool just thought i would mention my mistake,i went and got tyvek and never had any more issues when i replaced it,my insulation and decking were sandwiching,the tyvek does a good job,you would thing house wrap is what it is,but names do qualify for when you plan something you dont want to rebuild ,dig,hell ya i put them lights and filters in the crawl space,you got to have some kind air flow,it be 80 outside and 120 inside without ventalation,even if it just a foot going down middle,that was the worse thing with mobile homes,ac work it ass off until you built another roof with air space about 2 in ,bug and wasp atractant,but middle of day the ac barley working