Ken, There are a lot of products under the Liquid Nails brand. Could you post a picture or an Amazon link to the one you used?
Thanks, Steve On Wed, Aug 23, 2017 at 11:51 AM ken winston caine < [email protected]> wrote: > Posted this also under "The Story of My Liquid Nails Fail." But is > relevant here as well. > > REVISION: LIQUID NAILS SUCCESS > > NEW TEST: Liquid Nails vs. Epoxy > > -1- Liquid Nails, spread thinly with putty knife, on smooth flat > beveled-cut surface, with some tiny holes scratched into both facing > surfaces with a wallpaper scouring tool, then clamped and cured for 24 > hours, works BEAUTIFULLY! Incredible strength. And Liquid Nails *claims* > its repairs will outlast the life of the original material. Am going to > trust that it will last for my purposes. > > -2- Epoxy, surfaces prepared the same way as above and spread evenly over > entire face, simply did not dig in to anything but the utter topmost layer > of polyiso fuzz. And the adhered parts easily snapped apart after 24 hours > cure time. When snapped apart, I observed the epoxy "bond" covered with > maybe 1/100 inch of polyiso fuzz. Is possible that if I had punched a lot > of tiny 1/2" deep holes in each face and smeared on the epoxy much thicker > to fill those punched holes, that I would have gotten a stronger bond. But, > given the positive results with the Liquid Nails, once spread with a putty > knife, and its *substantially* lower cost, I am not going to do any further > testing with epoxy resin at this time. Also is possible that epoxy would > work with NEW polyiso boards. Mine are salvaged boards, possibly 20 or more > years old. (They do age, outgas, lose R-Factor over time. And maybe mine > are fuzzier along my cuts than new boards would be. I don't know.) > > So ... I am going with the much less expensive Liquid Nails for my project. > > That means I must create some 30-degree-angle braces (out of 2x4s?) that I > can clamp onto roof-cone sections as I glue them to hold the adhered parts > together tightly for the 24 hours cure time. And created 30-degree-angle > braces for the wall sections. > > > As an additional measure, am going to use an awl to punch a dozen or more > 1/4" deep random holes along each face to be adhered to allow for much > greater material penetration in those spot, expecting that will make for a > stronger, more durable bond once cured. > > Also, am going to test using rubbing alcohol or acetone on a cloth to > lightly rub the surfaces to be joined to see if that will help clean away > dusty fuzz. (Or whether it melts the polyiso.) > > Additional observations regarding my earlier Liquid Nails fail: > > Because I was attempting to reattach two broken pieces with very uneven > faces, I was not able to smoothly smear Liquid Nails on the broken faces. > But on smooth-cut bevels, it smears easily, evenly, with a putty knife > despite its vicosity. In this latest test, I applied it to only one of the > two surfaces to be joined. I don't recall for sure, but think I might have > applied it to both surfaces of the broken pieces in the test that failed. > > On Wednesday, August 16, 2017 at 2:54:31 PM UTC-6, ken winston caine wrote: >> >> Fail was my fault. >> >> 1. I didn't clamp the boards after gluing. >> 2. I thought a 70 lb. pallet would be adequate to keep a wind gust from >> causing a problem during overnight cure. >> 3. I had assumed the Liquid Nails compound would be less viscous and more >> grabby and that I could spread/smear it over the entire surface of each >> face to join. Not possible. Instructions say to apply in a zig-zag design, >> so that is what I tried. <snip> >> >> >> -- > You received this message because you are subscribed to the Google Groups > "hexayurt" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/hexayurt. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "hexayurt" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/hexayurt. For more options, visit https://groups.google.com/d/optout.
