<div dir="ltr"><div>I didn't have any particular glue in mind, just know that gluing sheet rock is done. About the furring strips, do the nails you're talking about go all the way through? And if so, couldn't one skip the fasteners holding the sheet itself and simply secure with one set through the furring strips? And since (in my case) the whole point here is to minimize wall thickness overall, how thin of a furring strip could one hope to get away with? 3/8"x1-1/2"? <br>I realize we're trying to not split the strips with the drywall screws, or screws holding the assembly to the studs below.... <br><br></div>Thanks for all your suggestions. Delighted this list does still exist even if we've gotten kind of quiet. <br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Dec 1, 2016 at 8:53 AM, Clarke Olsen <span dir="ltr"><<a href="mailto:colsen@fairpoint.net" target="_blank">colsen@fairpoint.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Quick hint: I found that a nail gun is essential when attaching furring strips over foam. When you drive them with a hammer,<div>that 2nd, 3rd (4th?) blow will have crushed the foam. The nail gun hits it so decisively, the foam says firm. <br><div>
<span class="m_7197618825944390117Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span class="m_7197618825944390117Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word"><span class="m_7197618825944390117Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word"><span class="m_7197618825944390117Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word"><span class="m_7197618825944390117Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word"><span class="m_7197618825944390117Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word"><span class="m_7197618825944390117Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word"><span class="m_7197618825944390117Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div style="word-wrap:break-word">Clarke Olsen<br><a href="http://clarkeolsendesign.com" target="_blank">clarkeolsendesign.com</a><br>373 route 203<br>Spencertown, NY 12165 <br>USA<br><a href="tel:(518)%20392-4640" value="+15183924640" target="_blank">518-392-4640</a><br><a href="mailto:colsen@taconic.net" target="_blank">colsen@taconic.net</a><br><br><br><br></div></span></div></span></div></span></div></span></div></span></div></span></div></span></span>
</div>
<br><div><span class=""><div>On Nov 30, 2016, at 9:59 PM, Jeff Martin <<a href="mailto:jeff@open2learn.ca" target="_blank">jeff@open2learn.ca</a>> wrote:</div><br class="m_7197618825944390117Apple-interchange-newline"></span><blockquote type="cite">
<div bgcolor="#FFFFFF" text="#000000"><span class=""><p>Reuben,</p><p>We've recently installed quite a bit of 2.4" EPS on the interior
of a cathedral ceiling and some side walls, to reduce thermal
bridging. As Lynelle noted, the spiral or ring shank nails with
plastic washers work well for holding the foam in place. We used
3" nails that come pre-assembled with white plastic washers, from
Ideal Security. You would be able to use 2.5" nails. There are
also metal washers available for the purpose. They're sturdier
than the plastic ones, but I haven't seen them sold already paired
with nails or screws.<br>
</p><p>When we did our installation, we just used the plastic washered
nails to hold the foam in place until strapping over it with
furring strips (1 x 3s and 1 x 4s) onto which we installed the
drywall. If you're going to install the drywall directly on top of
the foam board, I wouldn't trust the plastic washers to hold
everything in place over time. For your situation, I think I would
use 3" drywall screws to drive all the way through to the studs.
If you want to use glue, I'd make sure the foam was very firmly
attached, before gluing the drywall to it (if gluing drywall
without also using fasteners is allowed there). Maybe a good
quantity of 2.5" screws paired with the metal foam washers?</p><p>Out of curiosity, what kind of glue were you thinking of using
for attaching the drywall? Here (Quebec), all the fast-grab
adhesives I've seen are quite expensive and would add noticeably
to the cost of installing the drywall.<br>
</p>
Jeff<br></span><blockquote type="cite"><pre>______________________________<wbr>_________________
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