Best adhesive for door side mirror to plastic?
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This is a discussion on Best adhesive for door side mirror to plastic? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I was driving one of the vans (GM) we have at work, when the driver's side mirror started to shake ...

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    Moderator   Sasquatch's Avatar
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    Best adhesive for door side mirror to plastic?

    I was driving one of the vans (GM) we have at work, when the driver's side mirror started to shake quite a bit. I stopped, reached out to check - it pretty much fell out into my hand.

    So ... what is the best adhesive to reattach? The mirror has no silver backing - it is plain glass. The mirror housing mounting surface is your basic hard plastic.
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    Administrator Trainrex's Avatar
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    Quote Originally Posted by Sasquatch View Post
    I was driving one of the vans (GM) we have at work, when the driver's side mirror started to shake quite a bit. I stopped, reached out to check - it pretty much fell out into my hand.

    So ... what is the best adhesive to reattach? The mirror has no silver backing - it is plain glass. The mirror housing mounting surface is your basic hard plastic.
    Quick set windshield urethane. Normally available at any parts store. Put it in a caulk gun and go to town. Just be careful because it's a real pain to clean if you make a mess. Glue it on, tape it together with masking tape and you're good to go the next day.

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    Registered User Heide264's Avatar
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    That is a tough one. There are factors to consider there aside from just bonding the different materials - temp/strength/longevity (normal considerations for some of us, har har).

    I would look into a glass friendly epoxy personally. I have never used epoxy on glass, however.

    EDIT: TR has a much more credible handle on this situation. Follow his advice =)
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    Quote Originally Posted by Trainrex View Post
    Quick set windshield urethane. Normally available at any parts store. Put it in a caulk gun and go to town. Just be careful because it's a real pain to clean if you make a mess. Glue it on, tape it together with masking tape and you're good to go the next day.
    Thanks ... I know you would know. A caulk gun sized tube will be way too much. Does it come in smaller sizes?
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    Administrator Trainrex's Avatar
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    Quote Originally Posted by Sasquatch View Post
    Thanks ... I know you would know. A caulk gun sized tube will be way too much. Does it come in smaller sizes?
    Not that I know of. Its kind of a one use thing. Once its open it starts to harden.

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    Quote Originally Posted by Trainrex View Post
    Not that I know of. Its kind of a one use thing. Once its open it starts to harden.
    OK, thanks.
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    what about the 3m brand foam tape, its damn strong and provides vibration resistance.

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    Registered User Heide264's Avatar
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    Quote Originally Posted by Scottyb0119 View Post
    what about the 3m brand foam tape, its damn strong and provides vibration resistance.
    I'd be concerned about hot summer days. I'm pretty sure it'd hold though... If it was my old van, heck yes 3m foam tape would work. Anything that I actually enjoy driving and want piece of mind my mirror won't fall off of, I'd say no go.

    Also, I don't know how well it would ahere to glass. Glass is a funny material.
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    Quote Originally Posted by Heide264 View Post
    Glass is a funny material.
    Only when you're looking in the mirror!


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