poot_traveller
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I was going to use 3M VHB Tape alone to hold my solar panel on the roof after watching a lot of good reviews on YouTube about the tape. But after testing the strength of the tape, I changed my mind.
I did however use it in combination with the self drilling screws to secure the panel to the roof. Although I can confirm the tape is strong, it's not quite strong enough to confidently use the tape alone to secure solar panels onto roofs.
In a very unscientific, rough experiment to test the strength of the tape; I taped two brackets together and tried to pull these apart using only my hands. This is the result:
3M tape on a bracket:
Two brackets taped together before stress test:
The two brackets after stress test:
Conclusion: It's okay to use 3M VHB tape to secure solar panels to roofs, but only in combination with screws or bolts.
I did however use it in combination with the self drilling screws to secure the panel to the roof. Although I can confirm the tape is strong, it's not quite strong enough to confidently use the tape alone to secure solar panels onto roofs.
In a very unscientific, rough experiment to test the strength of the tape; I taped two brackets together and tried to pull these apart using only my hands. This is the result:
3M tape on a bracket:
Two brackets taped together before stress test:
The two brackets after stress test:
Conclusion: It's okay to use 3M VHB tape to secure solar panels to roofs, but only in combination with screws or bolts.