Styrofoam

[Billy Halbur]

If I make a styrofoam sculpture, what could I do the the surface to make a hard outer coat?

[Pete Prodoehl]

Fiberglass!

That's how we built the Weinermobile.

The Dalek folks know how to do it.


Pete

On 6/17/24 8:57 AM, Billy Halbur wrote:
> If I make a styrofoam sculpture, what could I do the the surface to
> make a hard outer coat?

> --

[Dan Jonke]

Caution:

Some fiberglass resins (Like stuff used in bondo, for example) Will dissolve
styrofoam. Learned the hard way on old projects. Since I only figured this
out after the fact. I worked around it by skimcoating the whole piece in
elmers glue before glassing ontop of it.

Dan

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[Pete Prodoehl]

Thanks Dan, I forgot that part!

I thought maybe we documented it but alas, all I could find was a photo of what appears to be the Wienermobile coated in glue before the fibeglass process on this page:

  https://wiki.milwaukeemakerspace.org/_detail/projects/wiener-frame.jpg

  https://wiki.milwaukeemakerspace.org/projects/wienermobile

(Also, this is why it helps to document your projects... Not just for other makers but for your future self!)


Pete

[Adam Gabbard]

We did something like this in college as one of our foundation studio assignments using the pink insulation foam. We then coated it with Durham's® Interior/Exterior Rock Hard Water Putty to sand and spray paint it. 

On Mon, Jun 17, 2024 at 8:57 AM Billy Halbur <itsb...@gmail.com> wrote:

If I make a styrofoam sculpture, what could I do the the surface to make a hard outer coat?

--

Friends of Milwaukee Makerspace - A group for reaching a Midwest regional audience dedicated to making. Be kind, keep it on topic, and please do not use this group for the sale of items. Remember that members@ is the list for internal to MMS discussions - reach out to info@ if you are a member and not on that list.
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[Maya Looney]

Wood glue! A couple coats and it can take spray paint without melting and makes a good base for further finishing :')

On Mon, Jun 17, 2024, 8:57 AM Billy Halbur <itsb...@gmail.com> wrote:

If I make a styrofoam sculpture, what could I do the the surface to make a hard outer coat?

--

[Marshall P]

Mod podge/PVA glue  works great too and is generally cheaper than wood glue. 

Sent from my iPhone

On Jun 18, 2024, at 1:20 PM, Maya Looney <mayo...@gmail.com> wrote:



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