On 27 Aug, 08:30, DerbyDad03 wrote:
On 27 Aug, 00:13, Al Bundy wrote:





DerbyDad03 wrote in news:1188175566.756225.183080
@r34g2000hsd.googlegroups.com:

I'm going to be replacing my windows soon. I plan to use minimal
expanding foam to fill the gaps.

The Great Stuff for windows (blue can, "Will not bow frames") says
uncured foam can be removed with acetone. Can I assume that the
acetone will not harm the vinyl?

I've been practicing trying to neatly fill a 1/8" gap with the
supplied straw and it's pretty tough, even after pinching the straw so
it will fit into the gap.

Do I need to put foam in a 1/8" (or smaller) gap?

(This is the side gap I expect since I'm told my windows will be 1/4"
narrower than the rough opening.)

Thanks!

Call it amateur but I just ran tape on the sides (drywall and jamb) of
the gap knowing how messy that crap can be. Next day just pull the tape
and whack off whatever protruded with a razor.

Maybe pros can't afford to spend the time to do that (or because they are
pros they don't have to do it) but the bottom line is I got a clean flush
surface from the jamb to the drywall.- Hide quoted text -

- Show quoted text -

- I just ran tape on the sides (drywall and jamb) of the gap

I actually tried that on one of my practice jigs and it worked just
like you said. Depending on what DOW tells me about the acetone when I
call, I may go with the tape method. Like you said, I've got a lot
more time to do this job than the pros would.- Hide quoted text -

- Show quoted text -

I called DOW this morning and asked them if the acetone they recommend
for cleaning uncured Great Stuff foam will damage a vinyl window.

DOW's answer: "It's highly unlikely that the acetone will damage the
vinyl, but you should check with your window manufacturer since they
are responsible for the warranty on your wndows."

I called Simonton and asked them the same question. The first level
CSR went off to check with someone else and came back with "The
acetone will not damage the vinyl."

I'm going to email them with the same question to see if they will put
that in writing.