I spoke with 3M directly on proper adhesive to you , and they only recommend hot melt adhesive. This is because the insulation itself is polypropyline which is a low energy plastic. Has the 3M 90 held up over the long run? How would one know if it's inside a wall?
I spoke with 3M directly on proper adhesive to you , and they only recommend hot melt adhesive. This is because the insulation itself is polypropyline which is a low energy plastic. Has the 3M 90 held up over the long run? How would one know if it's inside a wall?