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I tried to use 3m 90 spray tack on r13 insulation and the inside of a sonotube with the plastic peeled off and it would not stick well because the insulation sucked up all then glue.
I threw away the insulation becaus eI figured it was not needed then got advice that I REALLY should use something. Now I have the ports and some bracing in place so I can only parcially cover the sides if needed.
I need to know:
1. in a 6' x 25" sono do I need stuffing for standing waves and decay time?
2. Would a rubber coating do the same job of reducing resonance?
3. Is there any other adhesive or stuffing I can get locally at lowes or home depot or michaels (craft chain)?
I threw away the insulation becaus eI figured it was not needed then got advice that I REALLY should use something. Now I have the ports and some bracing in place so I can only parcially cover the sides if needed.
I need to know:
1. in a 6' x 25" sono do I need stuffing for standing waves and decay time?
2. Would a rubber coating do the same job of reducing resonance?
3. Is there any other adhesive or stuffing I can get locally at lowes or home depot or michaels (craft chain)?