We have a great patch for portables tents jackets or most any fabric just peel and stick, super strong easy to use patch google portable ice house patch or go to justasign.com
Not just for you portable any more bring it with for field patch on outdoor clothing. Boat covers, Convertible tops, RV's Tents but it is proven on ice houses The Black Hole Patch Kit from Justasign.com
Scholars have long known that fishing eventually turns men into philosophers. Unfortunately, it is almost impossible to buy decent tackle on a philosopher's salary. ~ Patrick F. McManus